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Thread: what size air compressor?
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01-12-2020, 07:27 AM #11
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The 3 gallon Fini model F3OL197N seems like the ideal, light weight compressor for topping off low tires while staying within the duty cycle of the compressor (allowing it to cool off between fills). Allowing you to top off 8 tires in about 15 minutes. Assuming you have access to 120 volts when you need it. If you were to run the compressor full time while filling tire after tire you would violate the 50% duty cycle and risk cooking the piston/cylinder.
I love my air tools, and I have lots of them. They are incredibly useful and nice to use. But take me out of my shop and into the field? I'm not taking a single one of them with me other than my nail guns (which use very little air). Anything that's "on" and using air in big bursts, impacts, drills, sanders, air files, air ratchet wrenches, spray guns, sandblasters. Nope, not gonna be useful outside of the shop. And I have a gas powered air compressor that I use for remote stuff around the farm, puts out about double the air volume that a 110V compressor can, and, you guessed it. Still can't run most of the air tools other than intermittent usage (although, to be fair, this post was about an impact, and yes, the gas compressor will run the impact well, you can't be "on the trigger" constantly, but I do use that setup sometimes to break free nuts on a tractor and it works well. But it's the equivalent of a 220/5HP electric compressor, not even in the same zip code as a 12V compressor).
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01-13-2020, 08:11 AM #12
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01-13-2020, 08:14 AM #13
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01-13-2020, 08:53 AM #14
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01-13-2020, 09:00 AM #15
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01-13-2020, 09:31 AM #16
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Yup, the Dewalt 20V model (very similar to the Rigid) that I have is enough for 99% of normal wheel lug nuts. It won't budge a tractor lug nut, which is why I have a big'ol air impact too. But for most uses, and I'd venture a guess and say "almost all or all" uses on a Grand Design, I'd be really surprised if a good 20V 1/2 impact can't get it done. The air one I have is a LOT stronger, but, if you don't need it, it's also heavy as lead, expensive as hell, and as mentioned above, consumes air like a drunk let loose in a brewery. It's great when you need it, but nearly all the time, it's just not necessary. I do use it a lot in my shop, but that's because I have air on tap there, as much as I need, and it's a very nice tool. But it's FAR more special purpose than my 20V. One time, framing up a dog house, I was using the air to sink 1/2in lag bolts.. Well, I got about 3 done, and on the 4th one.. Well, I decided that this was not the right way to go, snapped the 1/2 lag right in half (of course, below the wood!). It's crazy powerful, you setting a 1in bolt into a brush hog (or trying to get it out!), yeah, that's the right tool, no question. Dealing with "car sized" stuff, well, yeah, it'll do it, but you need to be real careful. I bet if I turned it to max torque and let it rip, I could tear the lugs right off the axles on my Momentum or, if not that, I could certainly tear all the threads off the studs. Overkill for sure.
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01-13-2020, 10:00 AM #17
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Yes and nail gun when doing construction.
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02-20-2020, 05:10 PM #18
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Forget the air compressor
Today’s cordless impact tools are awesome. Buy the type some local tire shop guys use. Usually, they’ll have something like that on their service truck for tires the sizes you’re dealing with.
A decent oiless pancake type air compressor is good for filling the tires, and doesn’t take up much room.
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02-20-2020, 05:52 PM #19Judy & Larry
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