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Thursday 4 February 2010

Speed Sensor

My digital dashboard (more later) comes with a speed sensor which needs to be mounted on the propshaft or a driving wheel but must be fixed so that it moves with any movement of the prop. I have fabricated a small bracket to hold the sensor on the differential pointing at the side of the diff plate.

Next I glued two small magnets 180 degrees apart on the edge of the diff plate. The sensor has to be mounted 1mm away from the spinning magnets.


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