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Re: Rotary Gap - pulley
From: Stephen G Stanton[SMTP:ulflyer-at-juno-dot-com]
Sent: Monday, August 04, 1997 10:51 AM
To: tesla-at-pupman-dot-com
Subject: Re: Rotary Gap - pulley
Some swamp cooler motors have adjustable-diameter pulleys, also; often
available where spare parts are sold for swamp coolers. You loosen a
setscrew and as I remember, unscrew the pulley to make the diameter
smaller and vice versa. Probably goes from 1 1/2" to 3 1/2 " max
adjustment. Mostly for adjusting current draw from the motor under load.
For what it's worth...
Stephen KJ6LH