I'm considering something that Jon Z. mentioned to me, trying to repurpose my Chuff-Generator to serve as a Legacy tach sensor. The stock Legacy has 60 pulses/rev, if I modified the software to trigger on either edge of the stripes, I could get away with around 30 stripes on the flywheel for similar gear ratios. To zero in on the exact gear ratio, I'd simply make a custom tach tape with the desired number of stripes to match the speed.
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