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Forum: Engines and Propulsion Systems 11-12-2016, 18:47
Replies: 47
Views: 6,043
Posted By 44'cruisingcat
Re: Which outboards for me ?

Bryan on "School's Out" had his props re-pitched to 9". (Tohatsu 20's which also have pretty similar gear ratios.) For the 20's they're possibly a little over-pitched, but not severely. ~ 8 1/2...
Forum: Engines and Propulsion Systems 11-12-2016, 18:20
Replies: 47
Views: 6,043
Posted By 44'cruisingcat
Re: Which outboards for me ?

Both engines up around 5500.


If you're looking to cruise around 10, I'd say you'll need more pitch on your props. When I mentioned gear ratios being the same I meant the ratios in the gearboxes....
Forum: Engines and Propulsion Systems 10-12-2016, 15:36
Replies: 47
Views: 6,043
Posted By 44'cruisingcat
Re: Which outboards for me ?

You don't necessarily want maximum RPM. The manufacturers will give an RPM range you should be able to reach.

For a motor with a 6000 RPM rev limit the required range might be 5000 - 5500 RPM.
Forum: Engines and Propulsion Systems 10-12-2016, 15:32
Replies: 47
Views: 6,043
Posted By 44'cruisingcat
Re: Which outboards for me ?

Don't know how I missed this thread until now!


Anyway, the Honda 40's should work well for you. One of Bob Oram's old boats has a single Honda 40, been on that boat for about 12 years, and was...
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