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RE: NFC: A filter idea
> It is true that the swept vane design is more efficient than the
> straight vanes found in most impellers. However, the type of AC motor
> used in these filters does not have a preferred direction of rotation,
> and it may start rotating in either direction when the motor is
> plugged in. For this kind of motor, the straight vanes make sense.
Not talking about swept vs. stright vanes, but the direction of
rotation would be extremely important in my design. How do you
design an AC motor to have a preferred direction of rotation? I
guess I always assumed they all turned in only one direction.
Prost,
Martin
------
"Cry to it, nuncle. as the cockney did to the eels when she put 'em i' the
paste alive; she knapped 'em o' the coxcombs with a stick, and cried 'Down
wantons, down!'"
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