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taffy0687(at)yahoo.com
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 Posted: Sun May 21, 2006 11:26 am Post subject: Air tools & Compressor/ Sears Craftsman |
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Frank, that expalins why this morning I couldn't find " my" model compressor on Sears' website. ( I was going to pass the link on to the Zenith/ Matronics site for Dave to have something to compare to) They had one showing the same 6.4 scfm (at) 90 psi, 33 gal. tank but was rated at 2.2 hp. for $279.99-------- goes to prove not to pay attention to the "advertised hp" but rather the performance of the unit.----- Again, I am very pleased with my unit for the price, it does the job very well.
Fritz------ Corvair
Do not archive
Frank Stutzman <stutzman(at)stutzman.com> wrote:
On Sun, 21 May 2006, Big Gee wrote:
| Quote: | Dave----- my compressor is a:
Sears Craftsman, 6 hp, 30 gal, 6.4 scfm(at) 90psi., 120 v. 15 amp ( all
data taken off unit) and works great for the task at hand. It is an
upright model.
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1 hp (electric) = 746 watts
120 volts * 15 amp = 1800 watts.
So your compressor motor is actually only 2.4 HP. This is not surprising,
there is all sorts of weird claims when manufactures (of almost any
kind of power tool) state their horsepower.
Frank Stutzman
Bonanza N494B "Hula Girl"
Hood River, OR
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frank.hinde(at)hp.com
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| Posted: Mon May 22, 2006 7:03 am Post subject: Air tools & Compressor/ Sears Craftsman |
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The compressor mentioned below is less than 2HP...120V* 15amp ignores
the power factor of the motor which can be assumed to be about 0.8.
So 120V * 15A *0.8/ 0.746 = 1.9HP motor horse power
Frank
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