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Unread 07-02-2006, 17:09
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Richard Wallace Richard Wallace is offline
I live for the details.
FRC #3620 (Average Joes)
Team Role: Engineer
 
Join Date: Jan 2003
Rookie Year: 1996
Location: Southwestern Michigan
Posts: 3,677
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Re: Small motor used as sensor

Quote:
Originally Posted by Ken Wittlief
So you get a page of label paper for your inkjet printer

make a nice little label that says:

Kens Kustom Analog Tachometer
Model 2006F
Serial # 123456789
(not a motor)

and put it on a DC motor and Wallah! you have a tachometer.
Ken, I guess your idea would be OK if someone who qualified as a supplier could supply the motor (re-badged as a tachometer) to all teams as a COTS item.

My problem as an inpector would be how to tell a 'real' (!?) tachometer from a functionally identical device that was sold as a motor. Like Joe, I suspect this would be difficult.

Of course I agree with Ken and Joe that the rule is not technically sound; I also think it may be difficult to police.
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Richard Wallace

Mentor since 2011 for FRC 3620 Average Joes (St. Joseph, Michigan)
Mentor 2002-10 for FRC 931 Perpetual Chaos (St. Louis, Missouri)
since 2003

I believe in intuition and inspiration. Imagination is more important than knowledge. For knowledge is limited, whereas imagination embraces the entire world, stimulating progress, giving birth to evolution. It is, strictly speaking, a real factor in scientific research.
(Cosmic Religion : With Other Opinions and Aphorisms (1931) by Albert Einstein, p. 97)