Thanks GAry . I have a huge dent in my forehead after lookin at
yer pic . I kept thinklin what am I gonna do with the back gear
plunger . No longer a issue .
animal
On 12/20/23 3:22 PM, Gary Johnson via
groups.io wrote:
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This is for a heavy 10L, but maybe it will give you some ideas. I
used 1/8" dia rare earth magnets (four), mounted in 3/8" dia
aluminum pucks epoxied to the gear. They are sized so that the
magnets would pass very close to the Hall-effect sensor. The
sensor was mounted on an aluminum tee bracket affixed to a spot I
flattened off and added a tapped hole. This sensor was part of the
accessories offered with the old MachTach kit which unfortunately
is no longer made.
-Gary