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FOILS
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outcast



Joined: 04 May 2004
Posts: 2396

PostPosted: Tue Aug 13, 2013 8:30 pm    Post subject: FOILS Reply with quote

Interesting discussion beginning about 2 minutes into things

https://www.youtube.com/watch?v=SrlqAsAn4qQ

Really good stuff around 7:00

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http://www.desert-wolf.com/dw/products/unmanned-aerial-systems/skunk-riot-control-copter.html
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whitevan01



Joined: 29 Jun 2007
Posts: 484

PostPosted: Wed Aug 14, 2013 12:16 am    Post subject: Reply with quote

thanks for the link, great stuff!

Cool that Annie Gardner (olympic windsurfing silver medalist) is one of the commentators.
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outcast



Joined: 04 May 2004
Posts: 2396

PostPosted: Mon Aug 19, 2013 10:22 am    Post subject: Reply with quote

Our man Angulo at it in Turkey this week (With fins!) so lots tiny shiny little stoke lights or somethin Smile

http://pwaworldtour.com/index.php?id=1899&tx_pwaevent_pi1%5BshowUid%5D=208&cHash=fac147add641f842a7427eb2de79b352

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Thurston



Joined: 08 Jul 2013
Posts: 88

PostPosted: Tue Aug 20, 2013 10:39 am    Post subject: Reply with quote

Cool video! thanks for posting Smile
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paulf.



Joined: 21 Mar 1996
Posts: 318

PostPosted: Tue Aug 20, 2013 6:30 pm    Post subject: Reply with quote

i had no idea this foiling was going on. watched replay(after reply)on tv of the NZ boat stuffing it in the first race, thanks OC.
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zirtaeb



Joined: 03 Jul 2009
Posts: 2388

PostPosted: Tue Aug 20, 2013 8:24 pm    Post subject: Reply with quote

Watching the windsurfing foil guys for the past 20 years, we notice the problems going from flying the foil to any sharp change of directions, as the foils lost the lift and the hull became displacement again.
This was somewhat cured by using a standard windsurf hull, that worked in displacement mode, and foils / foil attached below for the lift.
Now, these 70'ers are using foils, trying to turn sharply, and the hulls, while designed for non planing conditions, are NOT designed to handle the drastic loss of speed when the entire hull hits the water, nor the impact from the quick dropping nose of the cat/tri's in rougher water than the boats were designed for.
It get's ugly, and more accidents will happen, even after the maximum wind range is now down to 23 knots.
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outcast



Joined: 04 May 2004
Posts: 2396

PostPosted: Tue Aug 20, 2013 9:17 pm    Post subject: Reply with quote

it may get ugly, but the helmets and impact vests and 40 knot speeds seem kind of cool to me
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paulf.



Joined: 21 Mar 1996
Posts: 318

PostPosted: Tue Aug 20, 2013 9:45 pm    Post subject: Reply with quote

actually down to 18.75 kts, if i understood tv correctly. seems like the wrong venue in SF for that maximum. 40 kts boatspeed, wow!
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mac



Joined: 07 Mar 1999
Posts: 5213

PostPosted: Tue Aug 20, 2013 9:51 pm    Post subject: Reply with quote

http://www.youtube.com/watch?v=_-jGYPrB2As This one looks pretty cool.

Mike Zajicek says that control, particularly on a starting line, is a very big deal, and he thinks only a few of the top guys will master it. Interesting discussion here: http://kitehydrofoil.com/

Give the gear heads a chance and I think we'll have them on lots of kite and windsurfing boards.
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flaherty



Joined: 01 May 1997
Posts: 343

PostPosted: Wed Aug 21, 2013 12:22 am    Post subject: Reply with quote

Saw two kiters the other day, at upper kanaha on hydrofoil boards. Had to look twice, to believe what I was seeing. they seemed very much in control.
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