TW28 Rudder

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TW28RJ
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TW28 Rudder

Post by TW28RJ » Wed Apr 23, 2008 8:58 pm

Jacques,

Could you tell me how much clearance there is between the top of the rudder (as designed) and hull.

I'm building the rudder now incorporating a split flange on the shaft above the rudder. Depending how much space I have between the top of the rudder I may have to "let in" the flange into the rudder profile for clearance..



zumsel
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Re: TW28 Rudder

Post by zumsel » Tue Apr 29, 2008 10:57 am

TW28RJ wrote:Jacques,

Could you tell me how much clearance there is between the top of the rudder (as designed) and hull.

I'm building the rudder now incorporating a split flange on the shaft above the rudder. Depending how much space I have between the top of the rudder I may have to "let in" the flange into the rudder profile for clearance..
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jacquesmm
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Post by jacquesmm » Tue Apr 29, 2008 11:12 am

You have some freedom there, there is not a set clearance.
As designed there is 1-3/4" (45 mm).
Don't make the gap between the blade and the hull too big: 2" max. but not too small either, not <1".. If it is too tight, a line or debris can get caught between the blade and the hull.
Note that I say blade. You can cut a notch in the blade where the coupling goes. That will give you sufficient room.
Jacques Mertens - Designer
http://bateau.com

TW28RJ
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Post by TW28RJ » Tue Apr 29, 2008 3:49 pm

Got it!

Thanks!!

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