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Old 11-14-2013, 08:25 PM   #90
Nomad Willy
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City: Concrete Washington State
Country: USA
Vessel Name: Willy
Vessel Model: Willard Nomad 30'
Join Date: Oct 2007
Posts: 14,928
I agree w rjtrane Art. Another thing that could enter into this is that the prop on the straight inbd drive is under the hull and may have some advantages from that. But I'm sure the horizontal drive shaft systems are considerably more efficient if their propellers are big enough.

And I'm guessing the prop behind the gear unit is probably best. Would be interesting to compare airplane technology in this regard. Lots of "tractors" and "pushers" to evaluate.

North Western Washington State USA
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