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Click on image for the lowdown. 
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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Aug 2001 Posts: 3,619 Moderator | | Moderator Joined: Aug 2001 Posts: 3,619 | Thanks for the definition.
I've been a machinist all my life and the acronym threw me.
We had one installed on and old Cadillac lathe, to power the motor and dial in RPM's. 24 inch chuck and a 16 foot bed. The old RPM's started about 3 and went to 28 in low range and then in high range it started at 78 to about 130 RPM.
To me it always had a big gap between high and low.
All the electronics did was adjust the sine wave from 60 cycles all the way down to zero.
Gave us better RPM selection, but I felt that under a load and too long of a wave, that it could damage the old motor.
If the motor is designed for that, it should work out fine.
Don
1967 GMC 9500 Fire Ladder Truck"The Flag Pole"In the Stovebolt Gallery1946 2-Ton grain truck 1946 3/4-ton pickup, 1953 1-ton pickup 1957 1-ton flatbed dually, 1954 Pontiac Straight Eight Of all the things I've lost in my life, I miss my mind the most! | | |
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