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I have a hot tub right next to my bed room. The filter circulation pump is a standard inexpensive AC motor about a 1/4 hp to a 1/2 hp, 1725 rpm, 230v, 1 phase and it makes too much 60hhz hum noise....

Thanks Hood. McMaster seems to have what I can use. Good knowledge !

Does anyone have any solution for keeping Ball Screws clean on a Bridgeport series 1. I've talked to Gortite and their bid for four neoprene bellows was $500 so I'm looking for a lower cost solution.

Thanks AL, you really are the MAN. My unit seems to work OK on 1ph input, however it does lose some power when you really slow it down, is that normal ? I've read else where that DC is really the...

I have a Dayton #3hx73 VFD, which is a IGBT torque vector PWM control. It is rated at 2hp, 3ph-230v output. It's INPUT is rated at 230v, 3ph. Can I wire this unit to 220v 1ph to power my 1hp 3ph...

The VFD I've installed is between the rotary phase converter and the spindle motor. The motor is correctly wired for 220v. Prior to installing the VFD the motor power was adequate, but not as good as...

Neatman I finally got through to the web site you suggested and I know what you mean. In your experience does this devise give you good HP to the motor ?

thanks "neatman" for your input ,but unfortunately I could not access the web site you suggested and I don't understand what you mean " single phase in, three phase out ". I have installed a three...

I have a series 1 step pulley machine with a three phase motor on it which I drive with a rotary phase converter. I would like to eliminate all that BS and retro fit a single phase motor on the...