[chbot] OT: Using a Cycle speedometer as a tachometer

[Richard Jones]

Off topic.

I came across this item describing how to use a cycle speedometer as a rev
counter.
http://www.homemetalshopclub.org/news/jun02/jun02.html#tachometer
The web site is a mine of information for anyone interested in making
things, casting, machining, projects, tools, tricks, stories
Don't click the link unless you have a few minutes to spare...
http://www.homemetalshopclub.org

Richard
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