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Seamanship Question #15 Props
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Shen44
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Subject: Seamanship Question #15 Props
From: Jeff Morris
Date: 11/26/2004 10:29 AM Pacific Standard Time
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I'll take some of those points - It was me, not Neal, that pointed out
that the gearing could well be different in reverse. I also pointed out
that it would be easily noticeable.
Curiously, his first answer, that the prop was mounted backwards, may
have been a better answer. That doesn't change the handedness, but if
the blade is not symmetrical it will affect the efficiency.
Wish I had a prop handy.
My own feeling is that different gearing is a rarity. However, props are
designed to be most efficient when ahead, which means less efficient when
astern, so basically I agree.
Shen