anyone know the gear ration on a 77 35 HP rude? 31.8 CI?

outboardnut

Petty Officer 1st Class
Joined
Oct 27, 2006
Messages
323
Trying to figure out what this motor was putting out on the dyno, don't have the gear ratio.
 

Yepblaze

Lieutenant Commander
Joined
Jun 1, 2001
Messages
1,686
Re: anyone know the gear ration on a 77 35 HP rude? 31.8 CI?

put a dot on the prop and one on the flywheel.

Count how many times the flywheel goes around before the prop comes around again.
 

TN-25

Chief Petty Officer
Joined
May 27, 2008
Messages
620
Re: anyone know the gear ration on a 77 35 HP rude? 31.8 CI?

14:27 (or .52 in other words)
 
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