Power transmission to the propeller.

narog177

Cadet
Joined
Nov 27, 2006
Messages
29
I have several outboard engines in the past. But evryone have shear pin to transfer power to the propeller.But my new yamaha 5CMHL dont have shar pin. What if you punch something whith propeler, what stops the rupture shaft.
 

JB

Honorary Moderator Emeritus
Joined
Mar 25, 2001
Messages
45,907
Re: Power transmission to the propeller.

There is a rubber hub in the prop. It will absorb small shocks and shear on hard ones.

The downside is that it must be rehubbed after shearing.
 
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