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Old January 7th 09, 09:11 PM posted to rec.aviation.homebuilt
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Default Replacing compressor unit question?

On Jan 6, 7:43*pm, John Ammeter wrote:

A Horsepower is 746 watts (from memory, could be wrong) and a 5 hp motor
at 240 volts would draw at least 15 amps.


John ........

I was wrong about the electric motor on the compressor. It's not a
Dayton, it's a Doerr. Specs are 3450 rpm @ 60 Hz. 230 VAC @ 12 A.
You're right on the 746 W/HP. 230 * 12 = 2760 W 2760/746 = 3.7 hp
That should give it a good 3 HP continuous duty.

After looking carefully at the installation, I think I'll wait until I
can trade for the smaller unit. It'll be a "drop-in" install. The old
one did everything I needed except run a DA sander continuously. I
only use one of those when I do car repair - and I ain't gonna do that
anymore.

Rich S.