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Message
Just an unsubstantiated brain fart, but it seems to me that all
those are really secondary measurments. The really important point whether
the impeller is spinning properly. Would it be possible to install a tiny
magnet in the impeller and detect it's passing with a sensor? Could the
same data be used to determine the pump's speed, indicating pump health and flow
rate?
I still think a flow
meter is the only way to guarantee that coolant is flowing. Todd's
got the right idea.
Rusty (shouldn't I be
working)
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