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*72lb4x4* · 07-22-2011, 07:08 PM

"6hp Westward 20 gallon tank single stage 120Volt, 135PSI Max, 8.3cfm@40psi, 5.8cfm@90psi"

20 gallon is too small to do anything useful with.
6hp and 120V? Not likely at all.

746 Watts is 1HP
Power is measured in Watts
Power=Volts*Amps

From the above we get

(6hp*746W)/120V=37.3A

A normal house 120V appliance circuit is 20A so you'll never get 37A.

Add to that the fact that motors aren't that efficient and you'd be around 45A to get 6HP. I wouldn't buy anything with such a nonsense HP rating. What else are they lying about?

I'd be looking for a used made in the USA 60-80 gallon tank compressor from CL.

Once you buy the compressor, you need a regulator, filter(s), hard lines, etc. You can spend a lot on just this stuff.

The compressor and related stuff can easily be the most expensive thing in the garage. Get a good big compressor to start...

07-22-2011, 07:08 PM	#8
72lb4x4 Account Suspended Join Date: Jul 2006 Location: DFW Posts: 1,427	Re: What size compressor "6hp Westward 20 gallon tank single stage 120Volt, 135PSI Max, 8.3cfm@40psi, 5.8cfm@90psi" 20 gallon is too small to do anything useful with. 6hp and 120V? Not likely at all. 746 Watts is 1HP Power is measured in Watts Power=VoltsAmps From the above we get (6hp746W)/120V=37.3A A normal house 120V appliance circuit is 20A so you'll never get 37A. Add to that the fact that motors aren't that efficient and you'd be around 45A to get 6HP. I wouldn't buy anything with such a nonsense HP rating. What else are they lying about? I'd be looking for a used made in the USA 60-80 gallon tank compressor from CL. Once you buy the compressor, you need a regulator, filter(s), hard lines, etc. You can spend a lot on just this stuff. The compressor and related stuff can easily be the most expensive thing in the garage. Get a good big compressor to start...