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Motor Control in Cordless Drill. How is it done?

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palindrome

palindrome

Electrical
Joined
Dec 19, 2002
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8
Location
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How is the speed control handled in cordless drills? Is it more than just a variable resistor - active circuit, or not? TIA
 
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I don't know for certain but the noise mine makes sure sounds like a chopper drive...

I too would be interested.
 
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Chopper -- it is the only efficient solution. <nbucska@pcperipherals.com>
 
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