Gearbox ratio


Mark Barter
 
Edited

I have been asked for the gearbox ratio of the gearbox and I am away from the boat. 

The boat is a 1993 Super Maramu hull number 110. It is a Hurth gearbox.

The engine is a Perkins M80T

Can anyone help please?

Many thanks 
--
Mark & Nicky Barter
S/V Nunky
SM 110

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