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Belt Driven Air Compressor a.k.a. Unlimited On-Board Air

Discussion in 'Off-Roading & Trails' started by rockgecko03, Nov 26, 2012.

  1. Dec 11, 2013 at 7:10 AM
    #61
    Spencer

    Spencer Future President

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    http://www.tacomaworld.com/forum/2nd-gen-tacomas/290646-belt-driven-air-saga.html

    Thanks to this thread, I started (barely) this project. I've done about all I can before I pull the trigger on the compressor, but I did a ton of research on exactly which compressor will work and hopefully give you the least amount of trouble.
    take a look at my thread for the homework side, and use this thread for the actual fabrication side. once life calms down for me, Ill tackle this project and maybe make a sticky- worthy writeup.
    good luck!
     
  2. Dec 11, 2013 at 7:31 AM
    #62
    tacomataco2

    tacomataco2 A dude

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    Some of this Some of that
    Wow this is a well thought out mod, props to you for taking time to apply this to your truck! Awesome job. You mentioned using a bumper as an air tank, that would be killer! hope to see it
     
  3. Dec 11, 2013 at 7:36 AM
    #63
    rockgecko03

    rockgecko03 [OP] Well-Known Member

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    The bumper air tank never worked out. I could only get it to hold about 80 psi before I started hearing hissing around a few of my welds. It is possible and it's certainly been done before. I just don't have that much experience welding yet. The bumper held up great in moab though. Even tugged a jeep up a 6 foot wall while he was in 2wd (broken front axle) and had his e-brake on, haha.
     
  4. Feb 24, 2014 at 11:43 AM
    #64
    crooks420

    crooks420 Well-Known Member

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    A word of advice/ caution: have your bracket(s) re-welded by an experienced welder... Would not be good if that air compressor got loose or broke off while driving...

    just a thought.

    Jesse
     
  5. Feb 24, 2014 at 12:51 PM
    #65
    rockgecko03

    rockgecko03 [OP] Well-Known Member

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    I appreciate the thought, but I'm not worried about those welds holding. I subsequently built a bedrack and a set of bumpers. The welds on my bumpers have held up to towing and winching without any issues.

    These were my first actual welding project (i.e. not very pretty welds), but they're plenty solid. Before putting those brackets together, I cut apart many practice welds to inspect them and tested numerous welds with a 20-ton press.
     
  6. Feb 24, 2014 at 1:20 PM
    #66
    BradyT88

    BradyT88 Well-Known Member

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    Did you make me one of these yet Ben? :p
     
  7. Feb 24, 2014 at 2:11 PM
    #67
    crooks420

    crooks420 Well-Known Member

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    Ok... Good to hear. Sometimes a weld looks ok, but lacks any real penetration..... I have seen welds break due to fatigue (vibration), and just bad welding technique.

    Jesse
     
  8. Feb 24, 2015 at 8:00 PM
    #68
    mbmack1

    mbmack1 That F'n guy

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    Subd. This is awesome
     
  9. Aug 2, 2015 at 8:33 AM
    #69
    NewRider

    NewRider Well-Known Member

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    so I'm finally looking to do this project here in the next few months and so far everything mechanical is making perfect sense to me... my new question is the electrical. Maybe it's obvious once I've got the compressor in hand but I'm currently clueless on how this thing gets wired. A previous post in the thread talked about a pressure switch on the tank to maintain constant PSI?? whats the chance you could put up a basic wiring diagram?
     
  10. Aug 2, 2015 at 2:48 PM
    #70
    Spencer

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    Can't wait to see someone else try this.
    You're gonna need the compressor on a relay. The trigger loop for the relay needs to go from a positive lead to a fuse to a switch, on to a cut off pressure switch, and landing on the positive side of the relay trigger loop.
    This way, your compressor switch is on, and the relay will cut on and off as the tank pressure drops below the trigger pressure.

    I'm sketch it out for ya hold on
     
  11. Aug 2, 2015 at 3:36 PM
    #71
    Spencer

    Spencer Future President

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    uploadfromtaptalk1438554664334.jpg I think this will do it with a regular relay. 30 is the main compressor feed, 86 is the positive feed from the switch leg going to 85 and back to negative, 87 is your normally open compressor feed.

    Just remember to use a smaller fuse for the switch leg than the compressor leg and use a gauge larger wire than you calculate.
     
  12. Aug 3, 2015 at 5:58 PM
    #72
    NewRider

    NewRider Well-Known Member

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    I think I get it... we'll see how long it takes me to actually get this underway, still paying off a credit card bill for a new engine :frusty:

    oh.. and nice disney imagineering!
     
    Spencer likes this.
  13. Aug 3, 2015 at 9:36 PM
    #73
    Crom

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    This is awesome.
     
  14. Aug 4, 2015 at 10:29 PM
    #74
    YOTA LOVER

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    Sub'd for overland build. Great job OP!
     
  15. Aug 10, 2015 at 6:17 PM
    #75
    Spencer

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    I just realized I drew the switch leg tee'd in with the compressor positive lead- these need to be separate leads altogether, though that's kinda only a technicality seeing as they come from the same hot lead...
     
  16. Apr 12, 2016 at 3:25 PM
    #76
    klikboom

    klikboom Well-Known Member

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    Is this an addition to the stock AC compressor or in place of the stock AC compressor?
     
  17. Apr 12, 2016 at 3:51 PM
    #77
    G.T.

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    It could be bolted in below the power steering pump to allow you to keep the factory A/C operational.
     
  18. Apr 12, 2016 at 5:17 PM
    #78
    klikboom

    klikboom Well-Known Member

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    Yes but my AC is not operational but my compressor does work so I'm looking at Turing the stock one into pump.
     
  19. Apr 13, 2016 at 1:44 PM
    #79
    vern650

    vern650 Well-Known Member

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    Here's a couple pics of my set up run off the stock ac compressor on my 1st gen. Just added the tank so haven't seen how it changed things, but without the tank it pumped up tires in no time

    20160412_141226_96d0e0c71632d11c83af09039eaf16b38d6f7274.jpg 20160412_141159_fcbb1509894f5f8b0e70404a0ef3d04ee7dabb8a.jpg
     
    Last edited: Apr 13, 2016
  20. Apr 13, 2016 at 3:23 PM
    #80
    klikboom

    klikboom Well-Known Member

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    Seems pretty straight forward: in line oiler, with input air filter, filter on the output. Does the drip oiler continue dripping when the compressor isn't running? How did you connect to the compressor itself? cut aluminum tubes with barbed fittings? Did you wire the compressor clutch to a separate switch? What motor are we looking at?
     

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