Air Compressor - On Board
------------------------------
Date: Sun, 13 Apr 1997 22:36:54 -0500
From: Jack Alford
Subject: On board air/Frame parts
To: toy4x4@tlca.org
Matt wrote:
>Why doesn't anyone just use small portable 12 volt air compressors as a
>source of air for airing up after a run?
You've obviously never used one ... It takes about 10-15 mins. to get
one (1) tire from 12 to 30 lbs with one of those cheapo 12v compressors.
I bought a cylindrical shaped compressor this weekend off a Dodge Aspen
that is internally lubricated (i.e. does not blow oil) and is quite
small for $20 at the junk yard. I think I can make it fit ... for the
BIG cfm's and psi's, check out a V-Twin air cond. compressor on early
Chrysler's and Dodge's ....
- -----------------------------------------------------------------
Jack Alford Off-Road.com - The best dirt on the net!
jalford@off-road.com http://www.off-road.com/
Decatur, AL
'86 Xcab Toyota Pickup - 33x12.50 BFG MT
Solid Front Axle - Marlin Crawler - ARB
SFWDA - TLCA #3415 - Rocket City Rock Crawlers
------------------------------
Date: Mon, 14 Apr 1997 08:59:39 -0700
From: Eric Johnson
Subject: On board air/Frame parts
To: "'Toy4x4@tlca.org'"
Matthew C Chapin wrote:
> Why doesn't anyone just use small portable 12 volt air compressors as a
> source of air for airing up after a run?
Thats what I use, but they are VERY slow, and not always reliable. Its
probably not a bad idea to also carry a simple bike tire pump as well, and
hope you never need it... I also carry a portable air tank, and use the
12V to charge it (sometimes even as I'm driving), then the actual air-up
goes real quickly. I've got the large interdynamics "Truck Air" compressor
($39.99 at shucks, i think, performance sells this one for $59) and i had
to return one that kept throwing its crankshaft :) but my second one works
great.
- --
- -- ej@blarg.net
------------------------------
------------------------------
Date: Thu, 22 May 1997 09:01:12 -0500 (CDT)
From: twogrls@ix.netcom.com
Subject: Air Pump
To: Toy4x4@tlca.org
Date: Wed, 21 May 1997 09:54:17 -0700
From: billm@trinitytech.com (Bill Morency)
Subject: Portable Air Pump
To:
I am seriously considering buying a 12V pump to air up the tires after a
day of wheeling but I also want to be able to fill up air mattresses and
the like quickly when camping. Has anyone found a portable pump that fits
both of those criteria.
Bill Morency
Network Services Manager
Bill,
I have the Truck Air Brand pump that I bought from Northern Hydraulics (N.L.
Northern ). I purchased it on sale for $37. I am very happy with it for
general purpose use. I gave away my cheapy walmart unit after using this
one once. I still would like to install a engine driven on-board compressor
some time soon. It still takes a while to air up my 31x10.5 bfg from 15 to
35psi (about 5 min per tire).
MIke
------------------------------
------------------------------
Date: Thu, 4 Sep 1997 16:23:43 -7 GMT
From: "Leo G. Divinagracia III"
Subject: 84-89 4Runner airtank idea - crazy?
To: Toy4x4@tlca.org
> From: Eric Johnson
>
> Would it be completely insane to block off the threaded holes in the roll
> bar and use that as a tank? I figure it would be good for a couple gallons
> of air or more. I don't know how much pressure it could take though. Thats
> sorta the big question. The other thing I'm worried about is getting
> moisture inside - my portable tank gets a lot - but I figure I could use an
> air dryer at the input to keep it to a minimum.
this was a rather heated thread in the off road list. some say that
this is nuts to have it in the cab and have an accident (rolling the
vehicle...). but some mentioned that you can inflate it right before
you need it would be safe enough...
>
> My other idea is to buy a tank from an air compressor (long skinny hot-dog
> style) and mount it just forward of the spare tire. That would have a
> draincock to allow draining of moisture. But then again I might just get a
> larger portable tank. Sears has a pretty nice 9-gallon portable.
i've been tinkling with the idea ever since i got my arb. so far, the
best pre-made tank possible for me is the con-ferr hot dog tank. in
fact. roger brown (he should be following this up soon) got the con-
ferr compressor and tank and he's planning on mounting the tank where
you are. cost about $50-60 for the tank. don't know if it has the
moisture drain... btw, the compressor is $500
i went to a welding shop and shopping for a custom one. one mentioned
a tube bumper as the tank. i saw Sears carries a compressor with a
round, almost flat tank. but this is a small tank. or going with a
dual really skinny hot dog design and connecting both via an umbilical
line.
that 9 gallon tank can be mounted inside and just use quick connect
fittings to continually fill it up as needed.
just remember, the quick connect fittings come in two flavors:
industrial and automotive. and they are not interchangable...
- -----------------------
Leo G. Divinagracia III
ldivinag@csuhayward.edu
------------------------------
Date: Thu, 04 Sep 1997 16:36:46 -0700
From: "John D. Foster"
Subject: 84-89 4Runner airtank idea - crazy?
To: Toy4x4@tlca.org
Nope, not at all crazy. I know two guys who use their tube bumpers
as air tanks, with no problems at all. I do know they aren't
smittybuilt though, they're alot heavier pipe (custom fabricated).
I think your roll bar should do fine. The diameter of the pipe is
small enough, that is should hold the pressure ok (think of an
aerosol can!) I don't know that they've had any trouble w/ moisture,
but they're running converted a/c compressors. If a dryer isn't
too expensive, it probably wouldn't be a bad idea to include it.
J.D.
- --
John D. Foster mailto:jidd@mindless.com
Home Page (updated) http://www.psnw.com/~jd/
Toyota Member List http://www.geocities.com/Baja/9657/
1991 GMC S-15 Jimmy 4.3 V6
Toyota Axles, TH350, NP205
------------------------------
Date: Thu, 4 Sep 1997 22:46:06 -0500
From: Steve Capuano
Subject: 84-89 4Runner airtank idea - crazy?
To: Toy4x4@tlca.org
At 01:57 PM 9/4/97 -0700, you wrote:
>I've been thinking hard about a better onboard air system for my 4runner.
>My current setup of a 5-gallon portable air tank + an Interdynamics Truck
>Air compressor works quite well (especially if you upgrade the plastic air
>chuck of the compressor to something that flows much better), but I'm
>considering a fixed mount of some sort.
>
I dont blame you one bit.
>I want the air so I can air up tires in a hurry, and to run an air tool or
>two. The 5-gal tank holds enough air to quickly bring tires up mostly to
>street pressure after wheeling, or I can usually change one wheel with an
>air impact wrench. Its nice 'cuz you can charge it up while driving, then
>fill up the tires in seconds.
>
>Would it be completely insane to block off the threaded holes in the roll
>bar and use that as a tank? I figure it would be good for a couple gallons
>of air or more. I don't know how much pressure it could take though. Thats
>sorta the big question. The other thing I'm worried about is getting
>moisture inside - my portable tank gets a lot - but I figure I could use an
>air dryer at the input to keep it to a minimum.
>
What pipe size is your roll bar. On second thought you may not want to
inflate something inside your truck with you. A bumper is great. Yield
strength on carbon steel pipe is in the neighbor hood of 15,000 psi. ( I
think) and if you can pump it in with an air compressor I bet it could hold
it.( the bumper tank not the roll bar.)
Look at automatic drain valves. Graingers sells them, they pruge water when
a float is lifted. (thats a real simple explanation, but same principle.)
>My other idea is to buy a tank from an air compressor (long skinny hot-dog
>style) and mount it just forward of the spare tire. That would have a
>draincock to allow draining of moisture. But then again I might just get a
>larger portable tank. Sears has a pretty nice 9-gallon portable.
>--
>-- ej@blarg.net
>
>
Steve Capuano 1996 Tacoma ext cab V6 4X4
capuano@hypercon.com 31x10.50x15 Wrangler RT/S
Houston, Texas Rear LockRight K&N filter
Dynomax 2.5" cat back Synthetic all around
NRA lifetime member Edelbrock headers
------------------------------
------------------------------
Date: Fri, 5 Sep 1997 09:24:44 -0700
From: "Roger Brown P.E."
Subject: 84-89 4Runner airtank idea - crazy?
To: Toy4x4@tlca.org
- -->
> My other idea is to buy a tank from an air compressor (long skinny hot-dog
> style) and mount it just forward of the spare tire. That would have a
> draincock to allow draining of moisture. But then again I might just get a
> larger portable tank. Sears has a pretty nice 9-gallon portable.
i've been tinkling with the idea ever since i got my arb. so far, the
best pre-made tank possible for me is the con-ferr hot dog tank. in
fact. roger brown (he should be following this up soon) got the con-
ferr compressor and tank and he's planning on mounting the tank where
you are. cost about $50-60 for the tank. don't know if it has the
moisture drain... btw, the compressor is $500
<--
I picked up the compressor/tank combination from Currie Enterprises which is
actually a Thomas compressor/motor with all the fittings and their 5"diax15"
tank (approx 1 gal.). It'll fit nicely above the front of the tire carrier
frame. I'll be mounting it on a piece of angle iron spanning the two front
arms of the carrier. It should be safely out of harms way there. Also, it is
easy to run air tubing along the frame to the front (compressor) and back (air
chuck).
The Currie compressor fits nicely on the fender well, behind the battery. Once
I get it all installed (this weekend???) I'll get some pics of the setup on my
web page.
One question for the list:
Anyone have experiences with locating air chucks? I'm worried if it is
outside, the dirt/dust/mud of wheeling may interfere with attachment of the air
line. I was thinking of mounting the air chuck inside, perhaps by the tailgate
or even inside the left rear storage compartment.
- --
Roger Brown, P.E.
+01.650.933.1898 (vmail) +01.650.932.1898 (fax)
------------------------------
----------------------------------------------------------------------
Date: Fri, 5 Sep 1997 16:02:20 -0700
From: Eric Johnson
Subject: 84-89 4Runner airtank idea - crazy?
To: "'toy4x4@tlca.org'"
>From: DRM033@aol.com
>I guess the main concern is recovery. will 2 of those cheap compressors
be
>sufficient for airing up tires? Should I get at least a decent compressor
to
>handle the demand?
Like I said earlier, I've got a Interdynamics Truck Air compressor and am
pleased with it. Its not as fast as the Cadillac/buick compressors, but it
can pump up to higher pressures than the buick-type compressor can. 2 of
these truck air compressors would be a nice setup, as long as you're
careful to wire 'em correctly and not blow fuses.
>Could someone knowlegable law down the RIGHT INFIRMATION about air
>compressors and things like recovery, tank volume, etc.?
I'll relay my experinces. I've got a 5gal 125 PSI tank. I've removed the
cheap hose that was on it and have installed quick-couplers and long
retractable hose. I can usually air up all 4 tires from 15 to 24 psi or so
on one charge of the tank, or alternatively, change one wheel with the
impact wrench. I usually have the Truck Air running while I'm doing
anything else with the air, to keep it topped off. If the engine is
running, the truck air cranks out a fair amount of air for a cheap
compressor. It was only $40 at Shucks (same as checker and kragen). I've
seen it advertised elsewhere for as much as $60.
Using the air tank is MUCH quicker than using the compressor directly,
because of the fact that you can pump up the tank while driving, and, when
you move from wheel to wheel, or vehicle-to-vehicle, the air compressor is
still going, filling the tank. When the tank is full at 125PSI, the time to
go from 15 to 24 psi on a tire is maybe 5 seconds. Using the compressor
alone, its several minutes per tire.
I think a larger tank would be nice though. the 9 gallon from Sears is the
largest portable I've seen, and is probably what I'll go with (though I DID
buy some fittings for the roll bar today. :)
Obviously, your mileage will vary based on tire sizes, etc.
- --
- -- ej@blarg.net
------------------------------
Date: 5 Sep 1997 16:54:52 -0700
From: "Jay Kopycinski"
Subject: 84-89 4Runner airtank idea - crazy?
To: "Toyota 4x4 List"
Subject: Time: 4:15 PM
OFFICE MEMO 84-89 4Runner airtank idea - crazy? Date: 9/5/97
DRM033@aol.com wrote:
>I guess the main concern is recovery. will 2 of those cheap compressors be
>sufficient for airing up tires? Should I get at least a decent compressor to
>handle the demand?
>Could someone knowlegable law down the RIGHT INFIRMATION about air
>compressors and things like recovery, tank volume, etc.?
A few comments......
I have experimented in the past a bit with air supplies. For a while
I ran my spare at 60psi so I had a little supplemental air. I no longer
bother with that. I do have a pair of freon tanks mounted under my bed.
My home compressor will get these two up to about 120psi which
is enough to air my four 33s from about 15 to 28psi, or similar.
I have had these tanks aired up as high as 175psi.
I have the two plumbed together and also plumbed to my ARB
pump and a quick connect under the hood. I usually don't do it,
but can refill the tanks with the ARB pump if needed.
If you run the calculations, you may be surprised how much
volume you really need to air up tires......and a tube bumper
(about 4") has very little volume for the task.
If you're interested, there should be an article in the Dec '97
issue of Offroad that talks a bit about static air storage and
has tank volume calculations.
The small compressors are ok but will still be slow reinflating air
storage tanks. There are some pretty good higher volume compressors
on the market that are more suitable for use....they do cost more though.
Below is a comment from Park Owens off the offroad mailing list:
>I researched this subject quite a bit before I settled on a 12volt electric
>on-board air compressor.
>
>The one I went with came from Whitaker & Young Specialty Products in Signal
>Hill, CA. There phone number is 310-426-5196. I talked with Robert Young at
>length before buying and studied the literature available. This is an
>industrial quality compressor their company uses in the railroad business.
>
>They do whistles, etc for railroads.
>
>It permanent mounts or not inside the engine compartment with alligator clips
>supplied for power or you can wire it into the battery and add a switch as I
>did.
>
>It will take my 33x12.50.15 from 10 psi to 30 psi in approximately three
>minutes. Price was a very reasonable $189.00.
"Roger Brown P.E." wrote:
>Anyone have experiences with locating air chucks? I'm worried if it is
>outside, the dirt/dust/mud of wheeling may interfere with attachment of the
air
>line. I was thinking of mounting the air chuck inside, perhaps by the
tailgate
>or even inside the left rear storage compartment.
I had one located on a body mount under the bed but did have trouble
keeping it from clogging and sticking due to dirt getting in it. My
current one is mounted on my firewall up high.....it works well
there and stays clean.
______________________________________________
Jay Kopycinski '85 Toylet (ROKTOY)
Gilbert, AZ '91 4Runner (hers)
ryna10@email.sps.mot.com '72 Jeep Commando
http://www.netzone.com/~jayk '97 H-D Sportster
Arizona Lo-Rangers 4WD Club TLCA #3243
______________________________________________
------------------------------
------------------------------
Date: Fri, 05 Sep 1997 18:47:19 -0800
From: david fritzsche
Subject: Air Tank
To: "Toy4x4@tlca.org"
> I've seen guys convert old propane tanks to handle regular air, but I don't
> know how much pressure they can take. They are available in a variety of
> sizes.
I hope that you are not planning more then 125 lbs in your air tank
(roll bar)
Two of my friends have them one uses his roll-bar (smittybuilt) they
other uses homemade rear bumper, Both have converted AC compressors,
with cutoff switches set at 125 lbs. That is the same as my arb cutoff
switch and the compressor that I have in the garage. Must be some kind
of magic number. They do not fill the tanks until it is time to air up
or we have a need for air on the trail. Do that for safety reasons. You
can tee the intake hose on the compressor into the air cleaner and put a
water/oil separator on the outlet.
My truck has AC and I am not going to take it out just to use the ac
compressor for air.I have bought two small compressors from a pick and
pull for $15.00 for both and I am going to run both of these for
on-board air along with the arb and some holding tanks. I have even
toyed with the idea of making the holding tanks out of 4-6 inch PVC
schedule 40 pipe. It is rated well over the 125 lb cutoff that I am
going to put on. These compressors that I got came out of Cadillacs they
were used for the air suspension. I hooked one up to my portable air
tank and was still going strong when the gage reached 125lbs. They may
work and they may not. Could be real slow. But that is OK cause I am old
and slow myself.
David Fritzsche
1990 V6 ex-cab
Pro-comp II 4" lift, 4" NWOR rear springs
4:88 gears Tru-Trak front, ARB rear
Love to Rock
------------------------------
------------------------------
Date: Sun, 7 Sep 1997 17:41:45 -0000
From: runars@isbank.is
Subject: 84-89 4Runner airtank idea - crazy?
To: Toy4x4@tlca.org
All this talk about rollbars that are airtanks really make my sick.
I don't know about the strenght of this, or the strenght of the complete
system,
But I do know that I'm in the Firework buisness, and in the firework
buisness we use tubes to lunch them big bombs, 3" - 12" in diameter,
and they are made from either PAPER or PLASTIC. Once upon a time steel
tubes used to be used. Then few legs, and lifes later, softer materials
got more and more popular. The reason is that, if things go wrong,
steel kills. I myself probably wouldn't be walking today, if we didn't
stop using metal tubes some long time ago.
BBBUUUUUMMMMM, aouch. WOOOOWWWW =%-S. Damm, my trousers are on
fire.....
The moral is, don't play around with high pressures inside custom stuff,
no matter what name it is.
Now, on to more positive stuff. Up here in Iceland, as Conrad can tell
you, we do air DOWN a lot. Down to 2 - 5 psi, depending on the snow.
Needless to say, airing up again is something that is nessicery if you
plan on driving on streets/roads again. The most popular air pums are
modified AC compressors. They are just as powerful as the pumps at the
gas stations. Still, the really powerful, and really popular units are
the gas- or pressure tanks. We get them from a local gas and welding
supplier. A tank that is about two feet tall and 3/4 feet wide can
supply up to 4 or 5 fills for a 38" tire. And it's FAST. It takes
about 2-4 sec. to pump up the tire.....;-))
The trick is however, not to fill it up with air.... Fill it up with
"carbonic acid"... I kind of belive this translation is not quite
correct, but in the international languge this stuff is called "CO2",
It's harmless to your tires, and it compresses a lot better than regular
air, that is you have few times more supplies within the same container.
Another con with this tanks is that they are powerful enough to seat the
beads, of a tire.
Cheers,
Runar. (still alive and kicking, and hearing with both ears, pheew...)
--------------
------------------------------
Date: Mon, 08 Sep 1997 11:50:41 +0000
From: Justin Cole
Subject: air
To: Toy4x4@tlca.org
All This talk about air tanks I thought I would share. I use my scuba
tank. Its 80 cubic feet 3000 psi and can fill a lot of tires. My only
complaint is that it is heavy about 40 pounds. I plan on buying a 63
cubic foot tank that is a little smaller and lighter. A 63 well still
fill all four of my tires from 15psi to 40 about 4-5 times on one fill.
I am going to get a air chuck adapter to run air tools soon. I have it
straped down good in the back of my truck or in the extra cab when I go
wheeling. Never had a problem with it rolling around. The only problem
one could have is if your not a certified diver you might have a
problem getting the tank filled.
Tanks run about 100 bucks and a regulator about the same if you get a
cheap one. And since you are not diving with it I suggest the cheaper
the better. So for about 200 dollars you got a nice cheap set up.
just my thoughts.
justin
------------------------------
------------------------------
Date: Mon, 29 Sep 1997 06:39:09 -1000 (HST)
From: Eric Johnson
Subject: mudflaps and air tanks
To: toy4x4@tlca.org
Am I the only fool who tries to wheel with mudflaps on? I did some
serious rockcrawling this weekend and tore off (again...) 3 of my 4
flaps. Have any of you figured out a way to either quickly remove them or
keep from running over them when backing over rocks?
On another note, I LOVE my new 9 gallon air tank (I loved my old 5
gallon, but this is even better). I was going to try to
hard-mount it, but I found that portability is really handy. I busted a
valve step on a rock (I'm gonna switch back to rubber stems!) and was
able to use my impact wrench to change the wheel. Later, another
4runner in the
convoy did the exact same thing, and it was really handy to be able to
bring the tank up to him, which I couldn't have done with a permanent
mount. With a big enough tank, even the wimpiest compressor can be used
to charge it and you can run impact wrenches and air up tires in just a
couple minutes.
------------------------------
------------------------------
Date: Tue, 21 Oct 1997 10:03:51 -0400
From: Scott Hollister
Subject: On board air?
To: Toy4x4@tlca.org
At 09:27 PM 10/20/97 -0400, you wrote:
>Does anyone have information on turning the air conditioning unit ino an
>onboard air compressor. I have given up on fixing the system as an AC
>and would like to convert it for a higher purpose. If anyone has done
>this or know where I can locate info. on how to convert it I would
>really appreciate it. Thanks for any help in this matter.
>
>
All you need to to is cut the lines, after you make sure there is no
pressure in the lines, and hook some sort of filter to the intake, and run
the pressure side to some sort of tank. I looked in a Chiltons manual to
find out which side of the compressor was which. Be forwarned, this type
of compressor is lubricated with oil within the freon, so regular oilings
of some sort will be required. You should also watch how hot it gets. The
freon also cooled the compressor, and without it, it gets real hot. I
know, I blew one up using a cutoff wheel.
Hope this helps.
Scott
------------------------------
------------------------------
Date: Mon, 10 Nov 1997 22:26:40 -0800
From: theresa fritzsche
Subject: Air compressor off Caddy
To: Toy4x4@tlca.org
"I buddy of mine just gave me one of those air compressor that GM used
for the rear air shocks.
I was wondering if anyone knew what wire is for what. There are four
wires: black, green, and 2
orange. The black and green are obvious. I thought I read something in
the past about that. If someone knows
or could direct me to the resource that would be great."
As far as I can tell those two orange wires go to a sensor of some type.
I think in might be a heat sensor to cut the compressor off if it over
heats. I am in the process of hooking up two of these compressors for
my on-board air system. I have the two compressors mounted in an ammo
box that I bought at a surplus store. I have modified the box to fit in
front of the rear wheel well in the bed of my truck. I tested the first
compressor when I got it to see how long it would take to fill up my six
cubic foot tank. It took about fourteen minutes to get to 125 lbs.
Tonight I finished mounting the compressors in the box and I hooked it
up to the tank again, in about four and one half minutes it was up to 80
lbs but one of the hose connections started leaking ( I had a 3/8's hose
on a 1/4 inch barb. If this thing works out I am going to have about
60-to dollars tied up in my on board air. Does anyone know where I can
get one of those pressure switches that is used on the ARB unit and
about how much they cost? I will keep you posted on how this unit works
David Fritzsche
1990 Ex-Cab V-6
4:88 gears, ARB rear--Tru-Trak Front
4" Pro-Comp II, 4" NWOR rear springs--Work great and got them in 3 day's
33" BFG-MT
Body by Fordyce
------------------------------
------------------------------
Date: Thu, 29 Jan 1998 18:05:32 -0800
From: "Todd and Terry Steele"
Subject: Onboard air
To: "Toyota Digest"
Well, I finally finished my on board air. All totalled, it cost about $140.
Using a stock celica a/c compressor, it takes about 2 minutes to fill a
33-9.50 BFG from flat to 30 psi. Now I get to see how long the stock type
compressor will last.
Todd
His: 87 Toyota 4X4, Marlin Tcase #180, EZ Lockers F/R, Custom rear bumper
and nerfs, Ramsey F bumper, Trailmaster/Superlift 4", 33-9.5 BFG MT's.
Custom Body by Sierra Nevada.
------------------------------
Date: Thu, 29 Jan 1998 23:02:30 -0500
From: Darren Floen
Subject: Onboard air
To: Toy4x4@tlca.org
Were you able to use the stock engine bracket for the compressor?I
really need onboard air,for the work i do(when i'm not laid-off).It
looks pretty cramped where the compressor would have to go though,below
the throttle body.
Darren
------------------------------
Date: Thu, 29 Jan 1998 20:12:50 -0800
From: Ken Emanuel
Subject: Onboard air
To: Toy4x4@tlca.org
Well, I guess if it costs too much to recharge my A/C, I can turn my
compressor into a TIRE INFLATER! What must be done to make this work?
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
Ken Emanuel Emanuel@csus.edu
'87 Xtra Cab SR5 (22R-E)
http://webpages.csus.edu/~sac75830/toystuff.htm
*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*-*
------------------------------
Date: Thu, 29 Jan 1998 20:47:46 -0800
From: "Todd and Terry Steele"
Subject: Onboard air
To:
A tank, pressure switch, relief valve, on/off switch and enough hose to
connect it all. I mounted the tank under the forward edge of the bed, above
the driveshaft. The pressure switch and relief valve were installed on the
tank. I routed 1/2 inch hose from the outlet of the compressor to the tank
then the outlet from the tank back to the engine compartment. Mounted a
quick connecter and switch on a little metal box I built. Put som slick 50
(Thanks Jay) in the compressor, then a pvc type air filter on the suction
side of the tank. I also installed a drain valve on the low point of the
tank and formed a P trap on the outlet hose from the compressor to minimize
oil buildup in the tank.
Todd
His: 87 Toyota 4X4, Marlin Tcase #180, EZ Lockers F/R, Custom rear bumper
and nerfs, Ramsey F bumper, Trailmaster/Superlift 4", 33-9.5 BFG MT's.
Custom Body by Sierra Nevada.
------------------------------
Date: Thu, 29 Jan 1998 20:37:33 -0800
From: "Todd and Terry Steele"
Subject: Onboard air
To:
Darren wrote:
>Were you able to use the stock engine bracket for the compressor? It
>looks pretty cramped where the compressor would have to go though,below
>the throttle body.
Yes, I used the bracket off of the Celica. Bolted right in. I don't have
the same intake though (carb) but I don't see why it wouldn't fit.
Todd
His: 87 Toyota 4X4, Marlin Tcase #180, EZ Lockers F/R, Custom rear bumper
and nerfs, Ramsey F bumper, Trailmaster/Superlift 4", 33-9.5 BFG MT's.
Custom Body by Sierra Nevada.
------------------------------
------------------------------
Date: Fri, 30 Jan 1998 08:23:40 -0600
From: dphills1@mmm.com
Subject: Onboard air.
To: "Toy4x4(a)tlca.org"
A tank, pressure switch, relief valve, on/off switch and enough hose to
connect it all. I mounted the tank under the forward edge of the bed, above
the driveshaft. The pressure switch and relief valve were installed on the
tank. I routed 1/2 inch hose from the outlet of the compressor to the tank
then the outlet from the tank back to the engine compartment. Mounted a
quick connecter and switch on a little metal box I built. Put som slick 50
(Thanks Jay) in the compressor, then a pvc type air filter on the suction
side of the tank. I also installed a drain valve on the low point of the
tank and formed a P trap on the outlet hose from the compressor to minimize
oil buildup in the tank.
On a similar note I recently finished an onboard air installation using a
York AC compressor from a mid 70's F**d truck. My 83 does not have AC so
the passenger side of the block was open for mounting the compressor to
a bracket that I welded up out of 1/4" plate steel. I used a pressure
control switch from a regular garage style air compressor. This switch
controls the clutch on the York to turn it on @ 80psi and turn it off
@ 120 psi. I ran the output through a filter and then into the pressure
control switch. From there it is routed under the truck to the bed
where I connect it to a 5 gal. tank. At idle it takes apprx. 3 min to
fill the tank from empty. If you throttle up to 2000 rpm it fills in
about 1 min.
The York is cool is because it has a separate sump with oil in it just
like a standard air compressor. I think it should be able to run
continuously without having to worry about not having enough lube in the
system to prevent seizing. I'm unfamiliar with the Toy AC compressor
to know if lubrication would be a concern.
Doug
dphills1@mmm.com
------------------------------
Date: Fri, 30 Jan 1998 21:39:21 -0800
From: "Todd and Terry Steele"
Subject: Onboard air.
To:
Doug wrote:
>The York is cool is because it has a separate sump with oil in it
>just like a standard air compressor.I think it should be able to
>run continuously without having to worry
I have a wait and see atitude towards the lubrication concern. I put
Slick 50 in it and it'll have very intermitent use. If it does become
a problem, it will require minimal changes to go to a York, just the
bracket and fanbelt. I could always get a "lifetime warranty"
compressor!!!!
Todd
------------------------------
------------------------------
Date: Tue, 3 Feb 1998 11:50:42 -8 GMT
From: "Leo G. Divinagracia III"
Subject: Air Compressor size
To: Toy4x4@tlca.org
if you don't have an A/C in your system, you may wanna go todd steele's way.
he stuck a a/c pump of a celica (right, todd?) and he plumbed it into a
nitrogen tank (???) and it had enough to pump up a lot of tires last weekend.
btw, 10 gals for 4 33" tires will probably do 3 of your tires. i have a 7 gal
tank that's up to 120 psi and going from 15 to ~32psi for 4 31" tires was
good for about ~3 tires. once, i had to reseat a tire. it took from 120 to
about 65 psi to do the job, so it's volume that you need.
- -----------------------
Leo G. Divinagracia III
ldivinag@csuhayward.edu
------------------------------
------------------------------
Date: Tue, 3 Feb 1998 22:03:33 -0500
From: "penny"
Subject: on-board air
To:
I did the same as Todd, using an 81 toyota celica compressor/brackets,
bolted to my 82 pickup. Plumbed the "intake" side to the engine air
filter, and running 3/8" I.D. hose to a 7 gallon bed mounted tank.
Wow! these things work GREAT a buddy stopped by as I was finishing
the install so we aired down one of my 35s to 0 psi, from 0 to 35 psi
in 30 seconds, I have never used a compressor capable of airing a 35"
tire up this fast! and the pressure in the tank stayed at 100 psi even
while airing up. Anyone know how I can check/fill the compressors oil?
Will have pics of the finished product on my page in a few days.
Jimmy 82Toy4x4 L.B.
purnrgy@quancon.com
http://www.geocities.com/baja/6397/
------------------------------
Date: Tue, 3 Feb 1998 22:14:24 -0800 (PST)
From: rick99@jps.net (Rick Murray)
Subject: on-board air idea
To: toy4x4@tlca.org
Those of us in Kalifornia want effective on-board air, but don't want
to give up our AC, and still stay smog legal. That is , we (at least
I), want it all.
How about this for an idea. Use the air injection system air pump
(commonly known as SMOG PUMP). It pumps filtered air . Its already
there, no brackets to build .
Simply splice in some sort of 'Y' connecter in the output so one could
switch from polution-control-mode, to airing-up-mode at the end of the
trail.
This is probably a dumb idea, so I'm challenging anyone out there to
shoot holes in the idea. It seems like a good solution, if the pump
puts out any kind of pressure. Even if it only put out 25 pounds ,
that would be enough for highway travel until you got to a service
station. It must be a pretty sturdy unit, since it is pumping air
all the time the motor is on.
Sowudayallthink ?
##################################################################
Rick Murray 22R motor ; 3-inch lift
84 Toyota 4Runner SR5 33" BFG M/Ts ; 4.88 gears
Rancho Cordova, Ca. Rancho 9000's ; on-board air
http://www.jps.net/rick99/ Marlin TCase #67 ; TRD LSD
##################################################################
------------------------------
------------------------------
Date: Wed, 04 Feb 1998 09:45:50 -0600
From: Jack Alford
Subject: Air Tank alternatives
To:
Another alternative is an Oxygen tank. Medical supply houses have them
in stainless and aluminum. The tanks have to be certified and just like
welding o2 tanks some don't get re-certified. A friend of mine works at a
place like that, he gave me 3 of the small aluminum o2 tanks that didn't
get certified. They're the kind of tanks you see people with lung cancer
rolling around on a little cart, they're small tanks, about 36" long and
about 4" in diameter. They tuck up under the bed of the truck nicely.
It takes a couple of them to get a decent amount of storage space but
don't eat up the bed of the truck like a big 5-6 gallon tank. You might
inquire at Medical supply places to see if they have any old ones, I was
planning to buy one from him and he said he had a bunch he'd give me...
- jack
------------------------------
Date: Wed, 4 Feb 1998 11:29:15 -0500
From: "wolfer1"
Subject: Air Tank alternatives
To:
Jack wrote
Another alternative is an Oxygen tank. Medical supply houses have them
in stainless and aluminum.
Another idea for a air tank is finding a scuba tank in which will not
pass certification. I have done this in the past with my old ones.
Talk to some scuba shops in your area and if some do not pass
certification see if they will talk to the owner about selling it. The
tanks come in steel and aluminum. Most can hold up to 3600psi. If you
don't want a permanent mount you can get a adapter to run a air hose
right off the tank.
Domenick
------------------------------
Date: Wed, 04 Feb 1998 11:58:04 -0600
From: Jack Alford
Subject: Air Tank alternatives
To:
Domenick wrote:
>Another idea for a air tank is finding a scuba tank in which will not
>pass certification. I have done this in the past with my old ones.
I considered them also but a scuba tank was too large for it to fit up
under the truck conveniently, at least the ones I looked at, and I didn't
want to take up any space in the bed of the truck or have to remove/replace
anything for trail rides that I didn't have to or leave the thing back there
for someone to steal, which is why I chose the small tanks up under the
truck ... personal preference...
- jack
------------------------------
----------------------------------------------------------------------
Date: Wed, 4 Feb 1998 14:18:24 -0800
From: "Todd and Terry Steele"
Subject: Air Tank alternatives
To:
I believe the tank I have originally started as a nitrogen tank for a
hydrostatic test rig. It's steel, about 8-10" outside diameter and about 2'
long. It's rated for about 5000 psi but it failed a hydro test (135% of
working pressure, 6750 psi). I don't feel that the 125 psi or even 150 psi
(relief valve setting) will ever cause a problem.
Todd
His: 87 Toyota 4X4, Marlin Tcase #180, EZ Lockers F/R, Custom rear bumper
and nerfs, Ramsey F bumper, Trailmaster/Superlift 4", 33-9.5 BFG MT's.
Custom Body by Sierra Nevada.
------------------------------
Date: Wed, 4 Feb 1998 14:22:10 -0800
From: "Todd and Terry Steele"
Subject: Air Tank alternatives
To:
Domenick wrote:
>Another idea for a air tank is finding a scuba tank in which will not
>pass certification.
I think the problem with a scuba tank is finding a place to mount it
permanently. I have one with a bunged up valve (cheaper to but a new tank
than just the valve)but there is no place I could mount it safely and/or
conveniently. It's an 80 cubic foot tank which would be quite a bit of
reserve capacity.
Todd
His: 87 Toyota 4X4, Marlin Tcase #180, EZ Lockers F/R, Custom rear bumper
and nerfs, Ramsey F bumper, Trailmaster/Superlift 4", 33-9.5 BFG MT's.
Custom Body by Sierra Nevada.
------------------------------
Date: Wed, 4 Feb 1998 20:50:06 -0800 (PST)
From: rick99@jps.net (Rick Murray)
Subject: air tanks
To: toy4x4@tlca.org
Jack wrote :
>They're the kind of tanks you see people with lung cancer rolling
>around on a little cart, they're small tanks, about 36" long and
> about 4" in diameter. They tuck up under the bed of the truck nicely.
>It takes a couple of them to get a decent amount of storage space.
I am imagining smooth sided tanks, like a scuba tank. How did you
secure them to the underside of the bed ?
------------------------------
Date: Wed, 4 Feb 1998 21:10:44 -0800
From: "Todd and Terry Steele"
Subject: air tanks
To:
Rick Murray wrote:
>I am imagining smooth sided tanks, like a scuba tank. How did you
>secure them to the underside of the bed ?
>
I used metal strapping bolted to holes in the bed stiffeners. Also wrapped
the tank with old innertube.
Todd
His: 87 Toyota 4X4, Marlin Tcase #180, EZ Lockers F/R, Custom rear bumper
and nerfs, Ramsey F bumper, Trailmaster/Superlift 4", 33-9.5 BFG MT's.
Custom Body by Sierra Nevada.
------------------------------
------------------------------
Date: Wed, 04 Feb 1998 23:32:28 -0600
From: Robert Stein
Subject: compressor oiler
To: Toyota list
Date: Tue, 3 Feb 1998 22:03:33 -0500
From: "penny"
>Anyone know how I can check/fill the compressors oil?
Oiling the compressor is an easy job , go to your local industrial parts
supplier and get an oiler for air
tools for a standard air compressor, install it on the INTAKE side of
your application and adjust the oil flow to your tast side of the oiler >
Funny you ask this question,,,,we just finished outfitting a friends
parts pulling truck this way last month and he LOVES it :)
If you can't find an oiler ,,,,let me know and I MIGHT be able to fix
you up REAL cheap :)
- --
Robert Stein rjstein@lawtonok.net
FAX (405)355-1476 rrbbs@juno.com
Lawton,Okla rjstein@wolverine.cameron.edu
------------------------------
----------------------------------------------------------------------
Date: Thu, 05 Feb 1998 22:35:06 PST
From: "james stevenson"
Subject: Air Tank alternatives
To: Toy4x4@tlca.org
I have 2 3.3Cfm pumps under my tray and use the forward bar of my
rollbar a one of 3 air tanks on board. The Bar is made from 100mm (4
inch) Stainless tube with a 5.5mm Wall Thickness. On either end I have 3
fittings, One attaches to the pump , the second to the hose outlet
connection (near rear wheel above frame) and the third to the front air
tanks of which there are two. This is duplicated for the second pump on
the other side of the bar. The connections between the tanks run up
inside the frame. The front tanks are mounted in dead space in my ARB
Winch Bull Bar either side of the winch and are made from the same
stainless tubbing. He front tanks have 2 connections, the link to the
rollbar tank and to the hose outlet which is mounter near the upper
mount for the brake line. Withy this setup I can inflate four 35/12.5
BFG Mud terrains from 10psi to 40PSI in under 3 minutes. I can also run
air tools without cutout. My pumps are Supra Pumps
______________________________________________________
Get Your Private, Free Email at http://www.hotmail.com
------------------------------
------------------------------
Date: Wed, 11 Mar 1998 20:52:07 -0800 (PST)
From: Darrell Creeks
Subject: AC's and on-board air
To: Toy4x4@tlca.org
I just installed an AC unit out of a honda car, and it works great.
Combined with a 5 gallon air tank I can fill my 36x12.50 swampers from 0 to
30psi in eight minutes, thats all four. if your worried about oil, just
install an automatic oiler in the intake line right after the filter. I used
a fuel filter.
Darrell Creeks: '83 SR5, custom faltbed, custom rollbar, lincoln locker in
the rear, 4.7:1 Marlin t-case, with 5:71 R&Ps, 36x12.50 TSL Swampers, 8274
Warn 8000 lb winch, 3.5" springs, 3" body lift, custom spring mounts front
and rear.
"GC" got Christ? it's hell without him.
calweb.com/~dcreeks/outbacktrails.htm
------------------------------
------------------------------
Date: Wed, 11 Mar 1998 22:17:21 -0600
From: Robert Stein
Subject: on-board air -A/C compressor
To: Toyota list
- ---------------------------Quote ---------------------------
Date: Wed, 11 Mar 1998 11:39:37 -0800
From: "Greg Martz (Volt Computer)"
Subject: A/C compressors and on-board air
To: "'toy4x4@tlca.org'"
I've been wanting to install on-board air in my '91 Toyota 4x4 w/6 cyl
engine. From what I have read I need an A/C compressor that doesn't
lubricate via the freon. Anyone know if the '91 Toyota A/C Compressor
meets
this requirement?
Greg
- ------------------------------
Date: Wed, 11 Mar 1998 19:59:05 -0000
From: runars@isbank.is
Subject: A/C compressors and on-board air
To: Toy4x4@tlca.org
You just need to fill it up with olie regularly. It will puke it into
your tires over the time, but who cares. Not that much of olie.
Runar
- -------------------End Quote ------------------------------
Posted this once before , but for those that missed it We've now done 2 of these set-up and it works
great ....
You get an auto-oiler
and install it on the INTAKE side of your A/C unit , sucking through it
instead of pushing air through it , and adjust it to let small amounts
of oil run through the system ..... You can then , if you don't want to
drain your air tank often , install a water seperator on the output side
of your air tank to remove the oil << and moisture >> and keep it out of
your tires ....
Friend of mine that buys cores < used motor parts > has this riged up
on his truck and LOVES it ,,,wishes we had done it years earlier :)
BTW ,,,we also rigged up a standard auto cut-off switch of an old a-c
compressor and a window solinoid < To up the idle > to automatically cut
the compressor on and off by tank pressure :)
Like I said ,,,it works great .......
- --
Robert Stein rjstein@lawtonok.net
FAX (405)355-1476 rrbbs@juno.com
Lawton,Okla rjstein@wolverine.cameron.edu
------------------------------
Date: Thu, 12 Mar 1998 09:58:37 -0000
From: runars@isbank.is
Subject: on-board air -A/C compressor
To: Toy4x4@tlca.org
[-->> ] Those AC pumps really work, that's no question. They are
actually more powerful than some of those gas-station air pumps.
However, using a tank and a compression switch is something I, IMHO,
don't recomend. That way you are kind of overbuilding things. (We have
one such system). A better way is just to connect the hose straight to
the AC pump, and make sure that the hose is competly open, so that air
will start flowing out of it the second you switch on the pump. You
don't gain anything with a tank, and it just adds more componets that
can broke down, and it adds weight. Been there done that, ain't going
to do it again.
Another completly free trick to speed up the airing up and down progress
even more is to remove the stem from the tire valve. Use a good sealed
metal cab instead.
Runar
> --
> Robert Stein rjstein@lawtonok.net
> FAX (405)355-1476 rrbbs@juno.com
> Lawton,Okla rjstein@wolverine.cameron.edu
------------------------------
Date: Thu, 12 Mar 1998 17:21:08 -0000
From: runars@isbank.is
Subject: on-board air -A/C compressor
To: Toy4x4@tlca.org
> One good thing about adding a small reservoir is that it helps build
> a good little volume to provide good blasts of air for an impact gun.
>
[-->> ] In theory it is, however our experience has been the
opposide, But it might just be because our system ain't good enough.
Everytime we try to pump with the engine running above idle, something
just breaks. Also there seems to be to much restriction in the system,
so even at idle the pump is switching on and off at times, implying it
is pumping faster than the total system. Without all this, you can
simply floor the bitch without any worries, and then it pumps FAST. All
air and hydraulic systems have all kinds of valves (with stems) that
reduce the effective flow of the system.
Runar.
>Another completly free trick to speed up the airing up and down
>progress even more is to remove the stem from the tire valve.
>Use a good sealed metal cab instead.
[-->> ] The speed diffrence of inflating without the stem, I guess, is
about 100% with not so powerful pump.
Runar '85 Turbo SnowToy.
------------------------------
Date: Fri, 13 Mar 1998 12:23:50 -0800
From: "Brandon Miller"
Subject: on-board air -A/C compressor
To:
>
>>Another completly free trick to speed up the airing up and down progress
>>even more is to remove the stem from the tire valve. Use a good sealed
>>metal cab instead.
>
cap right ;)
Be careful there, I have a core remover tool that I keep on the stem. I
remove the core for about ten seconds and check it. Usually takes about a
minute a tire that way (or less). I would not leave the core out though,
you are trusting that seal a little too much in my opinion but it would
work I suppose. Just spend your $ 40 for the caps that automatically let
the air out down to a preset pressure. Screw em on at the trail head and
take them off a little way down the trail, DONE.
------------------------------
Date: Thu, 12 Mar 1998 09:08:10 -0500
From: "penny"
Subject: on board air
To:
Are toyota compressors the type that puke oil??? Mine hasnt put out 1 drop
since installing on board air a month and a half ago. I have run several
air tools, 1/2" impact (removing wheels) air cut off tool (cutting 1/4"
angle iron) airing up tires after wheeling etc. I have even placed a white
cloth over the output side of the compressor and get no oil residue....
whats the real truth behind this?
I used 2 straw fulls of 20w50 motor oil to lube the compressor also.
theres a few pics of the system im using under "cheap tricks" on my page.
Jimmy 82Toy4x4 L.B.
purnrgy@quancon.com
http://www.geocities.com/baja/6397/
------------------------------
Date: Thu, 12 Mar 1998 10:02:37 -0700
From: "Jay Kopycinski"
Subject: A/C compressors and on-board air
To: Toyota 4x4 List
"Greg Martz (Volt Computer)" wrote:
>I've been wanting to install on-board air in my '91 Toyota 4x4 w/6 cyl
>engine. From what I have read I need an A/C compressor that doesn't
>lubricate via the freon. Anyone know if the '91 Toyota A/C Compressor
>meets this requirement?
One guy I know runs an A4 GM rotary compressor. He uses a wiper
sprayer bottle and pump to pump a little compressor oil to it when
he fires it up.
Jay Kopycinski '85 Toylet (ROKTOY)
------------------------------
------------------------------
Date: Thu, 12 Mar 1998 21:24:38 -0800 (PST)
From: Darrell Creeks
Subject: On board air
To: Toy4x4@tlca.org
>However, using a tank and a compression switch is something I, IMHO,
>don't recomend. That way you are kind of overbuilding things. (We have
>one such system). A better way is just to connect the hose straight to
>the AC pump, and make sure that the hose is competly open, so that air
>will start flowing out of it the second you switch on the pump. You
>don't gain anything with a tank, and it just adds more componets that
>can broke down, and it adds weight. Been there done that, ain't going
>to do it again.
I like my 5 gallon tank for popping a tire back on the bead and inflating air
mattress's. Also gives the tire a big boost of air before the pump comes
on. Any oil from the compressor ends up in my tank and I have a drain on
the bottom to blow it out.
Darrell Creeks: '83 SR5, custom faltbed, custom rollbar, lincoln locker in
the rear, 4.7:1 Marlin t-case, with 5:71 R&Ps, 36x12.50 TSL Swampers, 8274
Warn 8000 lb winch, 3.5" springs, 3" body lift, custom spring mounts front
and rear.
calweb.com/~dcreeks/outbacktrails.htm
------------------------------
------------------------------
Date: Tue, 5 May 1998 08:49:17 -0400
From: "wolfer1"
Subject: Re: CO2, compressed air, etc.
>I have also heard a rumor that you can get old scuba tanks for
>next to nothing have them charged with normal air but super high
>pressure.
If you go the scuba tank route, check with some of the local
scuba shops about tanks in which failed their certification.
See if they will talk to the owners of the tanks and if they
will sell them. I've picked them up for free to 20 dollars.
The tanks will hold up to 3000 psi. You can get a adapter
with a hose to fill up your tires for about 10 to 15 bucks.
I hope this helps.
Domenick
============================================================================
Toyota 4x4 page: http://www.off-road.com/4x4web/toyota
------------------------------
------------------------------
Date: Wed, 06 May 1998 00:48:26 EST
From: "james stevenson"
Subject: CO2, compressed air, etc.
>I have also heard a rumour that you can get old scuba tanks for next
> to nothing & have them charged with normal air but super high
> pressure.
You can fit a 88cft scuba tank in the panel behind the wheel on the
Pickups by removing the stone guard. I removed the fitting from the top
an ran a air line to my compressors with a check valve at the compressor
. The compressor comes on if the line drops below 140psi. The air line
also has a t connector that runs to the air outlet fitting. I can run
air tools from the outlet or pump up the tyres. The tanks can be aired
up , I think its about 4000 Psi, at a scuba shop. I kept the fitting
from the top of the tank to that mounted a 5 meter tube. I just go down
and run the fitting to the scuba filling station and air up (takes about
10min for both tanks). If I run out of the onboard compressor supplies
enough but it's a lot slower. One scuba tank will fill about 5 35's or
air up about 10-15 depending on pressure. If you just use the scuba tank
you have to do a lot of fills before you spend the same bucks as a
compressor. A friend of mine uses a scuba buddy tank. These are the
little ones about a foot or so long. He carries 2 of then in the
toolbox. He got the line fitting that attaches to the scuba tank and out
it to a the tyre filling unit for a standard compressor. He can fill his
31's a couple of times on each tank.
James Stevenson (TonkaTuf)
------------------------------
------------------------------
Date: Tue, 05 May 1998 08:00:40 -0700
From: Jim Walters
Subject: Re: CO2, compressed air, etc.
The certification on tanks is a test to see if the unit will safely hold
that 3000 psi of pressure you are talking about. Personally, I'd stay
away from the high pressure tanks, as you need a safe place to mount
them where nothing can hit the yoke. If you knock the top off of a
tank with 2000+ psi of pressure, you have yourself a missile. Also,
you will find it difficult to find places who will fill uncertified
tanks, as that is illegal.
I'd much rather be safe and take an extra couple of minutes to air
back up.
Jim Walters
---------------------------
------------------------------
Date: Tue, 05 May 98 10:12:27 -0600
From: bwiencek@kcnet.com
Subject: Re: CO2, compressed air, etc.
On Tue, 5 May 1998, DRM033 wrote:
>I have also heard a rumor that you can get old scuba tanks for next to
>nothing & have them charged with normal air but super high preasure.
Well, as another lister mentioned that they picked up some "failed" scuba
tanks for next to nothing - There is a reason that they failed their Hydro
test - that's because the tank is in the early stages of FAILURE - that means
it potentially could explode under the 3000 PSI of pressure that they charge
them to... As a certified diver I sure wouldn't wnat to be carrying around a
charged grenade in my truck that bounces around off-road...
AFAIK It's Illegal (I'm 99% sure it is at least) to charge a tank
that does NOT have the current certification.... and I don't think most of us
have access to a compressor of that ability! While the tank may be good for
say 1000 PSI, I wouldn't charge it to near the capacity.... The way they test
these things is they empty the tank, place it in a tub of water, then measure
the increase in displacement as the tank charges - too much expansion and the
tank fails. A 3000PSI exploding tank is the last thing anyone needs on a
trail - there have been cases where older tanks have cracked the valves off
and gone through concrete walls, etc.
A NEW tank can be bought for $99-129 at some of the discount scuba
shops, and GOOD used ones for $40-60 if you're not wanting "top-of-the-line"
brand names, etc. I have a friend that runs a small scuba shop, and I could
check with him on a purcahse of used tanks or a QTY of NEW tanks for less
$$$...
- - Brian
------------------------------
Date: Tue, 05 May 1998 08:23:21 -0700
From: "Jay Kopycinski"
Subject: CO2, compressed air, etc.
DRM033 wrote:
>What is the concensus on these other methods of air sources? I have seen
>these CO2 containers advertised, & this looks like the way to go.
>I just see any normal compressor & air tank system as falling short of
>possible needs, from airing up to air tools.
Yes, all the electric ones don't put out sufficient volume for fast airing up
nor can they run air tools. Your best bet, if you have room, is to run a
converted a/c compressor. The York ones tend to be a little large. I have
a small linear piston Nippondenso compressor I'm gonna mount up
and plumb for air. These were used on older Japanese cars and trucks.
You can also use some rotary style compressors with some extra provision
for oiling.
>I have also heard a rumor that you can get old scuba tanks for next to nothing
>& have them charged with normal air but super high preasure.
Yes, but you'll need to be certified to have them legally filled....unless
you know someone that can have them filled for you....or know someone with
a dive shop that will fill them for you. Legally, any filled bottle should
also be a good, tested unit.
Scuba tanks work well and a single charge can air up 4-5 trucks after a
run. Guess you could also run air tools for a short time as well, I just
haven't seen it done with a scuba tank. I've seen guys use CO2 as well.
Just gotta be very careful carrying around high pressure tanks.
Jay Kopycinski '85 Toylet (ROKTOY)
------------------------------
------------------------------
Date: Tue, 5 May 1998 15:20:02 EDT
From: DRM033
Subject: Re: CO2, compressed air, etc.
In a message dated 98-05-05 11:25:48 EDT, you write:
> Yes, all the electric ones don't put out sufficient volume for fast airing
> up nor can they run air tools. Your best bet, if you have room, is to run a
> converted a/c compressor.
Yep - no room. As you all know a 22RE with A/C & an ARB compressor under the
hood makes for a full house.
By the way, anyone know when ARB changed their compressor design to the better
design? I have never messed with my ARb compressor because I didn't want to
screw it up.
I guess I will fork over the (realtively inexpensive) cost for one of those
CO2 containers they advertise in the mags whan I get around to it. They say a
welding shop can refill them for about $12. Can't beat that.
I always carry a back-up compressor (TruckAir) just in case.
- ------------------------------------------------------------------------------
David Moore DRM033@aol.com
- ------------------------------------------------------------------------------
-----------------------------
Date: Thu, 07 May 1998 01:17:20 EST
From: "james stevenson"
Subject: SCUBA TANKS & STUCK WINDOWS
> would be VERY VERY CAREFULL about using tanks that have
> failed a hydro test!!!!!!!
A failed tank is fine if you fill it up with a ARB type compressor as it
will only goto 120 psi, but if you intend to fill them at a scuba shop
they MUST pass testing.
James Stevenson (TonkaTuf)
------------------------------
------------------------------
Date: Thu, 07 May 1998 06:29:18 -0500
From: "Edward C. Fisher"
Subject: scuba tanks
>I have also heard a rumor that you can get old scuba tanks for next to
>nothing
>& have them charged with normal air but super high preasure.
>Any thoughts?
> Im also wondering how much pressure a scuba tank would hold safely
>since people have mentioned the toy a/c compressor is capable of putting out
>more psi then my tank can hold, (someone said it would shut itself off at
>472 psi) is there truth in this???
For anyone looking at used scuba tanks, a friend at work who is a Master
Dive Instructor suggested that I pass along this URL.
http://www.flinet.com/~n4mwd/cscuba.htm. This is just one of the more
recent occurences. He instructs all over the place (Tahiti, Cozumel, Belize
etc.) and has seen plenty of substandard gear getting into the wrong hands.
Apparently the Aluminum tanks have a higher propensity than others, but none
should be used without passing the hydro test.
Ed Fisher
edwd@ti.com
------------------------------
------------------------------
Date: Sat, 09 May 1998 19:22:51 -0700
From: Brian Rishaw
Subject: Re: scuba tanks
> If you go the scuba tank route, check with some of the local
> scuba shops about tanks in which failed their certification.
> See if they will talk to the owners of the tanks and if they
> will sell them.
This is extremely dangerous!! Yes - scuba tanks are a wonderful, long
lasting source of compressed air - I carry a 100 cu.ft. aluminum tank
between the back of the rear seat and my Action Packer with 3300 psi -
that'll fill my 33's from 12psi to 25psi for about 12 - 15 off road
trips (or about 3 trips if you're filling all of your friends' tires
also!!).
These tanks can only be filled to that pressure at a scuba shop and you
need to be a certified (card-carrying) diver to get these tanks filled
(or know someone who is certified and will take the tanks to the shop
for you). The tanks need to pass an annual visual inspection (V.I.P.)
and a hydrostatic pressure test every 5 years. If a tank fails any of
these tests - it is no longer safe to be pressurized in ANY situation.
Imagine the force of 3000psi propelling pieces of aluminum shrapnel
throughout the interior of your truck!
If you are not a diver, but know someone who is - I would recommend
buying a new 80 cu.ft. tank that can be pressurized to 3000 psi - these
sell for around $100 - $110. Then you need a first stage regulator
(which regulates the tank pressure down to about 125psi), a BC hose, and
a female and male quick disconnect fitting - shops will sell this setup
for $50 - $75. You may find used scuba tanks in the want ads for $50 -
$75, but make sure all the certifications are current, or else you won't
be able to fill it!!
Brian Rishaw
Chandler, AZ
============================================================================
Toyota 4x4 page: http://www.off-road.com/4x4web/toyota
------------------------------
Date: Sat, 16 May 1998 01:18:34 -0400
From: "David"
Subject: [none]
Guys, what happened to the heavy duty MANUAL air pumps? I have seen them
sold in the States and they work well. 5 minutes to fill 31-10.5 X 15 tire
with air. Spark plug adopters? I hate manual labor as much as the next
person but in case of the air pump it is justified. You do not risk to blow
a fuse (as with the electric Kmart pump) or to fill your tire with flammable
gas. In many countries the hand pump is the ONLY way to fill the tire with
air. Toyota even provides them in the emergency kit there (jack, spare,
TIRE PUMP, lug nut wrench).
Dave
------------------------------
Back to the top of this thread
Back to the top of the Accessories Threads Group
Technical Discussion Groups
Back to the top of the Toy Thread Tree