Quote:
Originally Posted by Jim2
Mark, the flapper is a butterfly actuated by a vacuum pot, activated by a solenoid valve. Vacuum supplied by a reservoir. A solenoid connected direct to the butterfly arm should work fine.
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Do you have examples of the resonance butterfly being controlled directly by some solenoid? I would like to see that as it would save people from installing a bunch of vacuum lines, valves, reservoirs, etc.