Thanks for the replies. Here's one puzzle I've been thinking about on this issue... The J/105 has a 48 inch dia helm wheel and a 12 inch...
Thank you. I'm thinking about larger boats. Maybe best to think of 2 ranges of LOA - 24 to 32 ft, and 32+ ft. Thinking about a better way...
For design of a helm wheel steering system I've seen use of a value of 30 or 40 lbs of force max from the helmsman. That is, max expected effort...