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Craftsman 150 with Vari - Slo Speed Control

propmaker

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Joined
Feb 2, 2020
Messages
132
Location
los ángeles
Found a cherry Craftsman 150 drill press at an estate sale yesterday. Can't believe how this thing hums. I had to pull the Vari - slo out to free up some of the linkage. A little penetrating oil and it freed right up. Almost embarrassed to say I got it for 50.00. Also got a 1/3hp Craftsman 6in grinder with light for 20.00.
 

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Corndoggeh

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Joined
Apr 2, 2016
Messages
1,198
I wonder why these vari-slows aren't more common? Were they very expensive at the time? I have a modern variable speed drill press and I cant imagine buying an older drill press that would have me go back to flipping belts around to get the speed I want.
 

tool_scrounge

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Joined
Jul 20, 2010
Messages
4,211
Location
Southern California
I wonder why these vari-slows aren't more common? Were they very expensive at the time? I have a modern variable speed drill press and I cant imagine buying an older drill press that would have me go back to flipping belts around to get the speed I want.
They are made from Zamak (aka pot metal) and tend to wear from what I have seen. The center third pulley accessory was a more robust design. But folks do pay $$$ for vari-slows.
 

gatewaysysop

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Joined
Nov 11, 2008
Messages
3,299
Location
Arizona
They are made from Zamak (aka pot metal) and tend to wear from what I have seen. The center third pulley accessory was a more robust design. But folks do pay $$$ for vari-slows.

Yep. In addition to being prone to wear and easily damaged, Vari-Slo doesn't quite get down as low RPM as the center pulley design either, so that might have been another factor for some folks in choosing one over the other.
 
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