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Old 01-03-2016, 11:00 AM   #18
psneeld
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Quote:
Originally Posted by sunchaser View Post
Just curious, will not a set of digital tachometers like Aetna get you as close as a synchronizer? Where does the synchronizer get its signal in this case?

Some get a signal off an alternator. Then a new belt on only one side gets installed, or a new pulley or ---

Also, engine speed, prop RPM, prop HP and fuel burn per side can independently vary. Then mismatched props enter into the equation. What are we really trying to get in sync? And why?
Are you asking about a Glendenning?

My understanding is syncing is all about eliminating vibration in the drive train. Partly for wear and tear....and some people get freaked about the noise.
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