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Post by bob52 on Mar 15, 2018 10:59:39 GMT -5
Hi, I have an older 12v only compressor and it has a hard time working with 50 lbs. It takes 1 to 1.5 minutes per pound once above 50.
I would like a dual voltage 12/120 just for versatility. My Rig tires are 80 pounds and my truck 65-70. So I need a good one.
Any help would be much appreciated.
Bob
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Post by johnr on Mar 15, 2018 12:04:38 GMT -5
I personally have not seen a 12v compressor capable of handling much over regular car tires. If you find something, I'd be interested in hearing about it!
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Post by bob52 on Mar 15, 2018 12:36:30 GMT -5
I personally have not seen a 12v compressor capable of handling much over regular car tires. If you find something, I'd be interested in hearing about it! That's what I am afraid of . You need power and with 12 volts, it would be a hell of a current draw. There are some that advertise "Up to 110 Pounds" they say. OH, forgot to mention that it takes Forever LOL. I will post back if I find something. Bob |
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Post by johnr on Mar 15, 2018 13:36:34 GMT -5
Yeah, you have to shut them off for 15 minutes after running for 15 minutes to prevent overheating... oh an by the way, it will take 6 hours of running to inflate a tire to 110 pounds. You don't have anything to do for the next 12 hours, right? (Note: I really don't know how long it would take...)
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Post by bob52 on Mar 15, 2018 16:24:29 GMT -5
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Post by Edd505 on Mar 15, 2018 19:33:37 GMT -5
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Post by bob52 on Mar 15, 2018 19:39:31 GMT -5
So how does this one do? I need 80 lbs max. Bob |
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Post by Edd505 on Mar 15, 2018 19:51:12 GMT -5
I have topped off 80psi a couple times, carry a short extension cord (25ft) as part of the camper setup stuff. I run 80 in truck & 5W, my 5W has truck tires. I have not had to use the gen set for the compressor but I know it will carry a single A/C so the compressor should not be an issue if i need it. I check all tire pressures before leaving home or camp, just habit. It will take a few minutes to get to 80psi but it does get there. I'm not sure any 12V will do the 80psi as they don't have the volume. There are more expensive brands but for an occasional use it's fine.
Harbor freight stuffs fine for most home users and they do honer their warranty's, keep the reciept.
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Post by bob52 on Mar 15, 2018 19:55:32 GMT -5
I have topped off 80psi a couple times, carry a short extension cord (25ft) as part of the camper setup stuff. I run 80 in truck & 5W, my 5W has truck tires. I have not had to use the gen set for the compressor but I know it will carry a single A/C so the compressor should not be an issue if i need it. I check all tire pressures before leaving home or camp, just habit. It will take a few minutes to get to 80psi but it does get there. I'm not sure any 12V will do the 80psi as they don't have the volume. There are more expensive brands but for an occasional use it's fine. Harbor freight stuffs fine for most home users and they do honer their warranty's, keep the reciept. Thanks Much for your time. Have bought quite a bit from Harbor over the years. No power stuff though. |
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Post by Edd505 on Mar 15, 2018 20:02:08 GMT -5
I have a shop full of the hand & power and not had any problems. Just bought a new tile cutter from them, should have do it years ago it works great.
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Post by lynnmor on Mar 16, 2018 8:33:56 GMT -5
I have this compressor and it has worked well. The only issue was cracked insulation where the cord enters the unit. I added an extension hose so I could reach all tires, rather than an extension cord, to minimize voltage drop. I also added some homemade connection points outside of the trailer battery box for convenience. If you decide on a 12 volt compressor, be sure that is not a light duty one that plugs into the lighter socket. |
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Post by bob52 on Mar 16, 2018 9:57:23 GMT -5
Thanks all! I also need something I can blow off any dirt/dust on the slide gears. Still looking. I may just get a 120 volt and keep the 12 volt for emergency.
I made a promise to myself that when I retire I will not buy any cheap sh##. If I have to spend more money then so bit it. I just hate buying things over and over again. Except for food (-:
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Post by kaboom on Mar 16, 2018 10:50:30 GMT -5
I've been researching the Viair 450p-RV. 12v direct from battery. Very fast fill times. High quality, excellent reviews, Expensive.
I've worn out cheaper 12v models. One burnt up the first time I used it going from 65 to 75 psi on a 225/80-16.
Since I have a generator on the RV a 120v compressor would be an option.
However I could not use it for the truck tires if I was away from RV and 120v power was not available
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Post by Edd505 on Mar 16, 2018 21:52:30 GMT -5
I've been researching the Viair 450p-RV. 12v direct from battery. Very fast fill times. High quality, excellent reviews, Expensive. I've worn out cheaper 12v models. One burnt up the first time I used it going from 65 to 75 psi on a 225/80-16. Since I have a generator on the RV a 120v compressor would be an option. However I could not use it for the truck tires if I was away from RV and 120v power was not available 110V extension cord, mines coiled in battery compartment The Harbor Freight compressor I mention above is on sale $40, got the notice today. |
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Post by nvguy on Mar 17, 2018 22:46:49 GMT -5
I had Viairs in both my Jeep and my off road truck. They are expensive, but they are reliable and build pressure pretty quick. For my RV I carry a small 110V Campbell Hausfield (sp?) compressor that I can run from the factory inverter in my truck.
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Post by bob52 on Mar 18, 2018 12:30:31 GMT -5
I had Viairs in both my Jeep and my off road truck. They are expensive, but they are reliable and build pressure pretty quick. For my RV I carry a small 110V Campbell Hausfield (sp?) compressor that I can run from the factory inverter in my truck. On my chevy 2500 there is a very small inverter and it can only handle 150 watts. So not sure. I will check the amperage draws on these too. Bob |
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Post by Chuck on Mar 18, 2018 13:39:06 GMT -5
I've been researching the Viair 450p-RV. 12v direct from battery. Very fast fill times. High quality, excellent reviews, Expensive. I've worn out cheaper 12v models. One burnt up the first time I used it going from 65 to 75 psi on a 225/80-16. Since I have a generator on the RV a 120v compressor would be an option. However I could not use it for the truck tires if I was away from RV and 120v power was not available 110V extension cord, mines coiled in battery compartment The Harbor Freight compressor I mention above is on sale $40, got the notice today. Darn Missed it at $40, now $57 Ugh, still good price, but with tax an shipping was $11 more ... Chuck |
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Post by bob52 on Mar 18, 2018 17:44:46 GMT -5
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Post by johnr on Mar 19, 2018 6:35:34 GMT -5
Speaking of compressors! I go to air up the camper tires with my home AC pancake compressor, and the tank won't fill with air more than 20 PSI. The tank wasn't leaking and I could feel air coming out of the discharge port and all of the filters were ok. I have to guess that the piston seal broke. Aye carumba!
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Post by Chuck on Mar 19, 2018 8:04:52 GMT -5
Bummer johnr, guess there's a trip to HF in your future or HD or Lowes  Chuck |
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