Great Lakes Sailor
Join Date: Jul 2001
Location: Saginaw, MI
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"If you read the MIT prop study the Max Prop develops about 2 lbs of drag and the Autoprop about 9-10 lbs of drag."
Do you know if the props currently made are the same as the props tested in the MIT study in 1994? Several props were not even made then, and at least some of the props have undergone significant changes in the last 15 years since the tests were done.
(Disregard if there is a newer MIT prop study.)
Of course, we are talking about a slight difference in efficiency and drag, and much of the choice will probably come down to ease of use, convenience, and local experience with a particular prop.
Saginaw Bay, Michigan
"The pessimist complains about the wind; the optimist expects it to change; the realist adjusts the sails." - William Arthur Ward