New Coupling

New Coupling

I was not very happy with the existing Yanmar coupling, the gearbox is 3.2/1 and drives an 18″ prop. It was clear that the shaft was turning in the coupling no matter how tight the allan screws were pulled up. A roll pin was supposed to stop it rotating but this had been bent by the torque.
The new coupling is made by R and D as is the flixable one….a special one to absorb the torque.

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