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boardrider

Since 05 Apr 2006
1034 Posts
Ventura, CA
XTreme Poster
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Thu Aug 23, 07 12:29 pm DOUBLE JUMPIN |
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| You know - you jump, and then feel another tug upward as you almost hit apex. Any theories on the cause of this elusive phenomena. Any techniques to make it happen consitantly? Gusts, sheeting, flying - ??? |
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magicmaker

Since 29 Oct 2006
895 Posts
da Hood
Opinionated
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Thu Aug 23, 07 12:33 pm |
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definately a gust coming through, i think. Some of the biggest air i've ever gotten was due to this phenomena.
consistantly making it happen? never, your best bet is to fly in the Gorge when mad gusts come through all the time  |
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tinyE

Since 21 Jan 2006
2004 Posts
not really an
XTreme Poster
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Thu Aug 23, 07 12:44 pm |
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| I got in a triple last Saturday at the sandbar... the wind would go from near 0 to really high for a second. I hit a jump right about the time a gust came through. It hit me 2 more times. Didn't really take me way higher on each one, but I was floating for 3-5 seconds... really cool feeling. I cut the power a little on the last one by sheeting out, and let myself back down. |
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Kodiak

Since 01 Aug 2005
1114 Posts
Slidey
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Thu Aug 23, 07 12:54 pm |
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| Actually by using the swell as your initial ramp/boost you can make it happen pretty consistantly. |
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Kataku2k3

Since 14 Aug 2005
3753 Posts
Los Angeles, CA
Videographer
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Thu Aug 23, 07 1:57 pm |
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Rig big and jump in the lulls!  |
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railgrab

Since 29 Mar 2005
177 Posts
Seattle, WA
Stoked
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Thu Aug 23, 07 2:09 pm |
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For consistent double lofting, I ride on 1 or 2 kite sizes too big for me in gusty conditions. This way, I can quickly park my kite at the apex during my jump and wait for that 2nd boost. I've had 3 sessions this summer when I could actually count on this 2nd boost with almost every jump! It felt to me like my kite was hitting a 2nd layer of wind about 100+ feet up from the water's surface. My best sessions for this have been at Viento and HR.
Ethan |
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J.P.

Since 10 Mar 2005
638 Posts
Addicted
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Thu Aug 23, 07 3:30 pm |
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fyi
Kiting up wind of kodack point at the hatch is a known double jumpe zone.
john
ps or least I seem to experience them frequently at that location.... |
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BigR

Since 05 Jul 2005
372 Posts
White Salmon
Obsessed
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Thu Aug 23, 07 7:45 pm |
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I believe I've felt this phenomenon a few times but not in the Gorge, in FL.
Once was gust driven on my 9.4m blacktip in 2000 during a squall in Miami and a gust hit on top of a gust that sent me even higher , from 15 to 40.
Another was on a 7m BT two years later similar conditions in ft Desoto.
BUT, the oddest time this EVER happened to me was June of '06 when I was kiting in the east side of tampa bay. Anyways, on a 23.5m Contra ( ! ) with a directional board in onshore west winds steady 14-15kts about 2000 yards out from where I launched and Jumped maybe an 8 footer when , Wow, a thermal or hot pocket of air came at me ( I could actually feel a hot blast of air! ) and I started to rise by another 30 feet! I thought thats enough big boy, and pretty much sheeted out for a smooth landing.
So watch out for gusts but I think Hot air bubbles can also take you for a ride in some places!
-- or you can just rig big as someone said, LOL!-- |
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boardrider

Since 05 Apr 2006
1034 Posts
Ventura, CA
XTreme Poster
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Fri Aug 24, 07 7:25 am |
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| FlyinElvis wrote: | | I got in a triple last Saturday at the sandbar. |
XXX - Awesome!
If gusts are the primary cause, then you would not expect the double up at the coast. But - if launching off a wave causes the double jump, then it should be easy to double jump when launching off waves at the coast. Any experiences at the coast?
Also like Railgrab said, another layer of wind - I have read that the wind is stronger higher off the water - I can not confirm this, but it makes sense. The rough surface of the water would cause friction, and slow the air at the surface, right? |
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pkh

Since 27 Feb 2005
6549 Posts
Couve / Hood
Honored Founder
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Fri Aug 24, 07 8:17 am |
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| I think part of it is having your kite as close to above you as possible helps too... if you over send and have the kite way off to one side you won't get the double boost effect. |
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blowhard
Since 26 Dec 2005
2027 Posts
Windward
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Sat Aug 25, 07 7:25 am |
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it's a gust or a thermal in the case of Florida.
Florida has some of the best thermal soaring in the U.S..
Many flights to 15K ,so those bumps could take you a lot higher if you were looping your kite and centered in the thermal
the air layer above 100' is very stable
compared to air in "ground effect" |
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