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Subject: Re: TWL: Rudder toe-in settings for twin engine installation
From: Arild Jensen (elnav@XXX.XXX)
Date: Sun Nov 03 2002 - 14:24:39 EST
At 10:31 AM 11/3/02 -0000, Michael Slater wrote:
>Of late I have seen much debate on the scientific pre-calculation of
>displacement boat speed and hp requirement. And I wondered if any of the
>obviously technical, well read, contributors had any reference to a
>specific and scientific method of calculating toe in and setting it up?
REPLY
I asked several of the megayacht builders that I see regularly as well as
a small yard.
They all said the same thing. Set the toe in for 1/2" with the trailing
edge being closer by that amount compared to the leading edge of the rudders.
Since these rudders are all roughly the same size as what a trawler uses
I consider this valid data.
None professed to using a complex scientific formula; only a rule of
thumb.
Regards
Arild
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