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  #1  
Old 11-30-2011, 10:33 PM
blazer3664's Avatar
blazer3664 blazer3664 is offline
350 Buick
 
Join Date: Mar 08, 2009
Location: Fayette county Illinois
Posts: 976
DIY York "Oasis" style 12-24 volt compressor?

Was looking at a backup for OBA, and not liking the $$ per CFM, I got to thinking. (It hurts when I do that. I should quit)

I did an interweb search and they pretty much all just .................................................. .................................................. .................................................. ......................die out and leave you hanging.

Anyone here done it?
An Oasis is $1300-1800................

I have a spare York in the garage..................
4.8 hp winch motor .......................$100
http://www.amazon.com/Winch-Motor-Ra...2712780&sr=8-7

throw in a coupling something like this ..........................$50 with all 3 pieces
http://www.amazon.com/Heavy-Duty-Half-Lovejoy-Coupling-4in/dp/B0000AX9IB/ref=sr_1_cc_1?s=automotive&ie=UTF8&qid=1322712843& sr=1-1-catcorr

Compressor switch with unloader...............................$35
http://www.amazon.com/Pressure-Switc...2713328&sr=8-3

and some other misc. bits, add a lot of fab work. Lets call this high @ $150.

Total ~ $335 or less for a wicked compressor that drains the battery faster than it airs up tires.

Just kicking around ideas, probably never happen unless I get a winch motor given to me.

So, who's up for kicking this around a bit?

Jim
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modified flares, removable top, OBA w/200psi tank,
LQ4, 4L80e,NWF doubler w/upside down 203
SOA w/ D44s F+R for now
H1 wheels+tires (cut), hydroboost brakes
custom shackle flip
W/F150 springs
-----Coming Soon-----
snorkels,
OX'd D60/14B-FF
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  #2  
Old 12-01-2011, 12:11 AM
Blake Blake is offline
Bleedin' Gasoline
 
Join Date: Dec 22, 2005
Location: longmont, colorado
Posts: 2,123
What tank?

So u are trying to build a portable york compressor?
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Please come on over to http://fsjnetwork.com/forum and have a look.
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  #3  
Old 12-01-2011, 06:11 AM
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blazer3664 blazer3664 is offline
350 Buick
 
Join Date: Mar 08, 2009
Location: Fayette county Illinois
Posts: 976
Three tanks total about 9-10 gal.
Don't know about portable, but maybe. Mainly a good trail compressor should my OBA decide to take a dump.

Jim
__________________
modified flares, removable top, OBA w/200psi tank,
LQ4, 4L80e,NWF doubler w/upside down 203
SOA w/ D44s F+R for now
H1 wheels+tires (cut), hydroboost brakes
custom shackle flip
W/F150 springs
-----Coming Soon-----
snorkels,
OX'd D60/14B-FF
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  #4  
Old 12-02-2011, 06:02 PM
elbastardo elbastardo is offline
Gear Head
 
Join Date: Oct 04, 2005
Location: wa
Posts: 507
I was planning on doing what they called the air in A can myself. It looked like an AC pump with A motor on it. I looked into it in 07, i know that because that was the year of the flood, the highwater mark was on the volvo compressor on the high side of my barn The compressor is still on A shelf. I havent gotten back to looking into the parts. It is very doable, I work with allot of pumps and im an industrial mechanic, but I didnt get back to the project Im sorry I didnt look at your links, but if you did the leg work on the motor rpms and parts, I am definatly interested in doing this project myself Aswell as possibly finding industrial parts cheaper possibly
Anything I can do to help LMK
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  #5  
Old 12-02-2011, 08:32 PM
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jsinajeep jsinajeep is offline
304 AMC
 
Join Date: Nov 26, 2005
Location: Globe AZ
Posts: 2,271
i would think that the RPM on that motor would be a little slow to use on the compressor, unless you have alot of time for it to pump up.

Oop, just foiund the spec on the RPM [2100] could work.

Last edited by jsinajeep : 12-02-2011 at 08:36 PM.
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  #6  
Old 12-02-2011, 10:00 PM
blazer3664's Avatar
blazer3664 blazer3664 is offline
350 Buick
 
Join Date: Mar 08, 2009
Location: Fayette county Illinois
Posts: 976
This got kinda long winded, but.............
Quote:
I work with allot of pumps and im an industrial mechanic
Quote:
Anything I can do to help LMK

You are doing it now, thanks. Just spinning ideas and thoughts to see what we can figure up. Helps to have others to bounce ideas off of, "fresh set of eyes" and all that.
Doubt I will try it any time soon, but since I have the York, and all the fittings and such can be reused for my OBA, and I got a week off during the COLD part of this winter, and this is something I could play with inside in the heat when I am bored, and ....... well who knows, maybe I'll get a wild hair and buy a motor.

Quote:
i would think that the RPM on that motor would be a little slow to use on the compressor
Quote:
Oop, just foiund the spec on the RPM [2100] could work.

I really am not sure myself, but here was my thinking.

From Oasis
Quote:
ours runs at 1650 RPM @ 50 psi
The motor I linked was just the first "cheaper" one that looked to have the power and close RPM. That said, I dont know how fast it will start slowing down under load, but figured it will slow a good bit.

Actually just found this from Oasis as well, for their bad boy........

0PSI = 15 CFM
50PSI = 9 CFM
100PSI = 8 CFM

I know it wont be perfect, but as a close-ish guestement........
if 1650 RPM gets 9 CFM(50PSI) then ........... 1650 divide by 9 gives ~183 RPM per CFM. So along that line, 183 RPM times CFM gives roughly

~ 2745 rpm-15 CFM @ no load, 0PSI
~1650 RPM - 9 CFM @ 50PSI
~1465 RPM - 8 CFM @ 100PSI

If that math works fairly close, that motor would be a little slow probably, again if the math is somewhat close...... I dont think it is, but ballpark maybe............

2100 RPM - 11.5 CFM @ no load
1005 RPM - 5.5 CFM @ 50 PSI
820RPM - 4.5 CFM @ 100PSI

That is almost half theirs. Still a pretty healthy 12 volt compressor though.

I'll dig and see what other motors I can come up with in that price range too.

That also makes it look like it takes more power to get it to 50 psi than it does to get higher PSI, at least for a little bit anyway.

One thing I didn't like about that motor, its not got a fan. Dont know what kind of duty cycle it would have airing up tires. Though if it came out as quick half as the ones Oasis makes...... less than 10 min for all 4 tires, duty cycle shouldn't be a problem even with a large tire.

So, question for those with an electric winch. Average run time with say 75-80% load before needing to stop and let it cool?

Thoughts? Ideas? Lets hear em.

Jim
__________________
modified flares, removable top, OBA w/200psi tank,
LQ4, 4L80e,NWF doubler w/upside down 203
SOA w/ D44s F+R for now
H1 wheels+tires (cut), hydroboost brakes
custom shackle flip
W/F150 springs
-----Coming Soon-----
snorkels,
OX'd D60/14B-FF

Last edited by blazer3664 : 12-02-2011 at 10:05 PM.
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  #7  
Old 12-03-2011, 07:01 PM
elbastardo elbastardo is offline
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Join Date: Oct 04, 2005
Location: wa
Posts: 507
I was thinking that a starter motor would work when I looked into it, but like I said I didnt do any of the leg work at that time. Also the york compressors have A tapered and keyd (IIRC) input. Thats where oasis made it work for them, so the big thing would be making a lovejoy adapter to convert the compressor to a coupler. As soon as you can get to a standard coupler anything can be done So we need A machinist to look into A coupler that would go from the tapered end on the york compressor, and make it adaptable to A standard shaft or coupler
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