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Propeller choice for Helms 30
I am in the process of buying and refurbishing a 1978 Helms 30. The boat was a casualty of Hurricane Rita but came through it in fairly good shape. There are no issues with hull or rigging but the existing gasoline motor and propeller were both write offs. I am repowering the boat with a Yanmar 2GM20 diesel and I would like to hear from other Helms 30 owners (all four or five of you) about your propeller choices. The shaft size is 1 inch. Yanmar recommends a 15x11 propeller for the 2GM20 while CDI recommends a 16 inch prop. Neither recommendation is specifically for a Helms 30, which isn't listed in their tables. No surprise there.
I'm leaning towards a fixed 2 blade prop just to keep things simple but I would like to hear about whatever you've got and are happy with.
Thanks for any information you may care to impart.