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synergy12
Since 31 May 2007
142 Posts
Stoked
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 Sun Aug 02, 09 4:59 pm CGKA Blowout speed results?? |
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OK, Since a friend paced Cory from Viento to The Hatchery in his van at 45-50 mph, did any of you contestants take a GPS along?
Cory.....did you take along a GPS? You were cooking from what I heard. |
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hilton
Since 15 Aug 2008
806 Posts
Opinionated
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| Mon Aug 03, 09 4:24 pm |
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| I think the big advantage Cory has on the water skis is that he can go almost directly downwind. By doing so, his top speed would be limited by the wind speed as his apparent wind approaches zero. If he was doing 45-50mph dead downwind in 20-30mph winds, he would have finished well ahead of his kite. |
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shred_da_gorge
Since 12 Nov 2008
1365 Posts
Da Hood & Da Wood
XTreme Poster
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| Mon Aug 03, 09 4:46 pm |
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| hilton wrote: | | I think the big advantage Cory has on the water skis is that he can go almost directly downwind. By doing so, his top speed would be limited by the wind speed as his apparent wind approaches zero. If he was doing 45-50mph dead downwind in 20-30mph winds, he would have finished well ahead of his kite. |
General theory used to hold that a sail craft could double the wind speed, but many broken speed records already show that factor is too conservative. See: http://en.wikipedia.org/wiki/Apparent_wind |
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Kodiak
Since 01 Aug 2005
1114 Posts
Slidey
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| Mon Aug 03, 09 5:23 pm |
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| True, but that is sailing across the wind, and the point of this race is to sail basically dead downwind. |
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cosmodog
Since 06 Oct 2005
205 Posts
Stoked
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shred_da_gorge
Since 12 Nov 2008
1365 Posts
Da Hood & Da Wood
XTreme Poster
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| Mon Aug 03, 09 6:41 pm |
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I suppose if you knew the actual distance you could use Cory's time (1:04:07) to calculate his average speed.
I'm still waiting for someone to do the blowout with a hydro-foiled craft...  |
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Kodiak
Since 01 Aug 2005
1114 Posts
Slidey
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| Mon Aug 03, 09 8:29 pm |
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True, but not in a sail powered craft. At least not that I have seen. |
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