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Control surface configurations (was: Typhoon)



On Sun, 11 Jul 1999 14:22:58 -0400 "Allan Gaines" writes:
>    I *think* I've seen pics of some foreign (non-US) subs
>whose tailplanes were "cruciform" (an "X") instead of a
>"cross" when viewed from the rear.  Is this why?  To
>avoid turbulence caused by the sail/conning tower?

You've seen the photos.   I think it's a Dutch boat that has
the X-planes.  

I have a book that explains why X-form works well.  Right now I can't 
find the book (my Other Half has been on a cleaning rampage, and she 
might have filed it somewhere).   But I do recall that one very real 
advantage is that the sub can bottom without danger to the controls.

As soon as the book surfaces, I'll provide a complete report.


Mike Holt
-- 

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