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Ernest Christley <echristley@nc.rr.com> wrote:
> Jim, you're always looking for simple DIY projects for your kitplane
> articles, aren't you?
>
> Some guys on the flyrotary list have be batting around ideas on how to
> determine if the prop on a pusher is windmilling. Would a piece of
> reflective tape and an optical pickup suffice?
What I would do is to use two magnets securely affixed to the shaft, and a
hall sensor, to read them.
Optics get dirty IME.
I assume the prop is connected to the crankshaft in some manner that
means if one turns the other does.
You may already have suitable crank sensors.
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Re: monitoring pusher props
