crazymama2
Wisconsin
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I plan on buying a compressor to blow out the lines in my trailer when I winterize it. Would a 1 gal. compressor be large enough to do the job or should I buy a larger size like a 3 gal. compressor?
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jimdubya
Paducah, KY
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Joined: 05/23/2008
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I use a 4 gallon because that is what I happened to have, but I think a 1 gallon would work just fine.
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Gale Hawkins
Murray, KY
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I do think the volume of a 3 gallon tank would help insure pressure lasting long enough to move the water to the drain point but that is just a thought.
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DocP
Brunswick, Ohio
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I've used a 3 gallon compressor to winterize the past 3 years and think it does a fine job.
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Bumpyroad
Virginia
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you do NOT need to use high pressure when you blow out lines. a small 12 volt jobby will work.
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HEMIDAZE
Amelia, OH
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Blowing out lines is a volume thing not a pressure thing. Basically if you bought a high enough volume (CFM) you don't even need a tank. The problem then becomes high volume compressors are high dollar compressors. Yhe offset to this is a tank. The tank holds volume for short periods of use reducing the need for CFM. For example, my garage compressor is about a 4 CFM with a 20 gallon tank. I can air up tires all day with no problems. But if I hook up a high CFM tool (sandblasters are the worst) I can run out of air in a about 1 minute. In your case I suspect A low CFM with a small tank would be plenty for blowing out lines. If you have other jobs for it make note of your CFM requirements and buy a compressor that will work for you.
You simply select an air compressor that exceeds the CFM of your most powerful air tool. If the flow isn’t strong enough, the air tool simply won’t perform properly.
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Flyfisherman128
Broadalbin, NY
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I suck mine out with a shop vac
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marly
Yutan, NE 68073
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Flyfisherman128 is showing some good thinking out of the box. Keep bringing us alternative ideas.
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Gale Hawkins
Murray, KY
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Flyfisherman128 wrote:I suck mine out with a shop vac
I agree with marly. In fact I think putting the shop vac in blowing mode would give one the the low pressure high volume needed to "blow" the lines as well. For Father's Day I got a 12 volt model that worked fine to help dry out the decking due to some leaks in our rubber roof before resealing it.
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SKnight
Georgia
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Yes it will be fine.
For a dirt cheap way get a portable air tank from the parts store, fill it at a local car shop just tip the guy a buck or so, that will blow your lines out fine. I keep an air tank filled most of the time, saves me from firing the big compressor up, it's how I've blown mine out for the last few years.
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