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I luv Wight View Drop Down
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Post Options Post Options   Quote I luv Wight Quote  Post ReplyReply Direct Link To This Post Topic: Favourite Photos
    Posted: 10 Feb 05 at 9:57pm
more pics of the proa ( Harryproa )

and info at :
http://www.harryproa.com/Elementarry/SailingPhotos_4.htm



Edited by I luv Wight
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Twin Poles View Drop Down
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Post Options Post Options   Quote Twin Poles Quote  Post ReplyReply Direct Link To This Post Posted: 10 Feb 05 at 11:09pm

Symmetrical in a single plane just like a conventional boat, yet not quite right.

very funny looking thing

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I luv Wight View Drop Down
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Post Options Post Options   Quote I luv Wight Quote  Post ReplyReply Direct Link To This Post Posted: 11 Feb 05 at 9:52pm
Originally posted by Twin Poles

yet not quite right.


[P



the 'jib' sail is sheeted in more than the 'main' sail.

a bit nose down

it makes lots of waves

-----------------------------------------------------

why have 1 or 2 when you can have 1 and a half?
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I luv Wight View Drop Down
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Post Options Post Options   Quote I luv Wight Quote  Post ReplyReply Direct Link To This Post Posted: 11 Feb 05 at 9:56pm
from much earlier in the thread -

a 'groovy' 470 rudderblade with narrow chord at the waterline

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stuarthop View Drop Down
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Post Options Post Options   Quote stuarthop Quote  Post ReplyReply Direct Link To This Post Posted: 11 Feb 05 at 10:39pm
What a weird shape looks slow!

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big man View Drop Down
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Post Options Post Options   Quote big man Quote  Post ReplyReply Direct Link To This Post Posted: 12 Feb 05 at 1:43am
how long is it???
keep it flat you t***
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Tornado_ALIVE View Drop Down
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Post Options Post Options   Quote Tornado_ALIVE Quote  Post ReplyReply Direct Link To This Post Posted: 12 Feb 05 at 4:55am

Seriously COOOL

French hydrofoil Tri

http://www.laurentvidal.com/2004/hydro2/

http://www.laurentvidal.com/2004/hydro3/

 

 



Edited by Tornado_ALIVE
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stuarthop View Drop Down
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Post Options Post Options   Quote stuarthop Quote  Post ReplyReply Direct Link To This Post Posted: 12 Feb 05 at 10:01am
Thats pretty amazing

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Scooby_simon View Drop Down
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Post Options Post Options   Quote Scooby_simon Quote  Post ReplyReply Direct Link To This Post Posted: 12 Feb 05 at 11:51am
Originally posted by Tornado_ALIVE

Seriously COOOL

French hydrofoil Tri

http://www.laurentvidal.com/2004/hydro2/

http://www.laurentvidal.com/2004/hydro3/

 

Talking of foils, has anyone got any pictures of Blue Arrow around anywhere.  An interesting boat that used foils to create + and - lift to keep the boat totally flat - mono-hull with 2 out riggers with T-foils at the ends.

Wanna learn to Ski - PM me..
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JimC View Drop Down
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Post Options Post Options   Quote JimC Quote  Post ReplyReply Direct Link To This Post Posted: 12 Feb 05 at 12:30pm
Originally posted by stuarthop

What a weird shape looks slow!

But isn't. Or at least isn't compared to other 470 rudder blades.

Its a classic example of rules having the opposite effect to that intended - the 470 rules have various clauses to limit how much shape you can put in the rudder blade so that its cheaper and easier to build, but the actual result is that the blade is immensely complex to build. As a result the 470 rudder is both more expensive and yet less effective than a fully shaped blade on a class without the rules.
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