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 Post subject: Jetski Kiting in Canada 70ft airtime
PostPosted: Wed Oct 23, 2013 2:33 am 
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Here is some Jetski kiting done by a group of people from Liquid Skills Kayak & SUP School on the Ottawa River in Canada. Hope y'all enjoy!




{ SHARE_ON_FACEBOOK } { SHARE_ON_TWITTER } { SHARE_ON_ORKUT } { SHARE_ON_DIGG } { SHARE_ON_MYSPACE } { SHARE_ON_DELICIOUS }
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 Post subject: Re: Jetski Kiting in Canada 70ft airtime
PostPosted: Wed Oct 23, 2013 4:29 am 
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that is just flat out stupid.....


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 Post subject: Re: Jetski Kiting in Canada 70ft airtime
PostPosted: Wed Oct 23, 2013 5:58 am 
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:lol: YOU MORONS NEED TO GET TOGETHER WITH THIS GUY!!!
viewtopic.php?f=1&t=2382269


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 Post subject: Re: Jetski Kiting in Canada 70ft airtime
PostPosted: Wed Oct 23, 2013 5:57 pm 
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Darwin's evolution in action. :thumb:


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 Post subject: Re: Jetski Kiting in Canada 70ft airtime
PostPosted: Wed Oct 23, 2013 6:11 pm 
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the footage will make great evidence for the lawsuits when you kill someone this way, maybe even help you go to jail, too.
oops.


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 Post subject: Re: Jetski Kiting in Canada 70ft airtime
PostPosted: Wed Oct 23, 2013 6:20 pm 
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 Post subject: Re: Jetski Kiting in Canada 70ft airtime
PostPosted: Wed Oct 23, 2013 6:21 pm 
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i like how in the credits it lists a person in charge of safety.

Clearly they missed the vid of the guy on union island that was hospitalized doing this for quite a while.


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 Post subject: Re: Jetski Kiting in Canada 70ft airtime
PostPosted: Wed Oct 23, 2013 6:34 pm 
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Regrettably, few comprehend the difference in dynamics between a kite attached to a relatively moveable object (like a person) and a kite anchored to something fixed, or of substantial inertia (like a boat).

The chance of death or massive injury is in fact far greater suspended 100 feet up by a kite while tethered to something on the surface than it is while kite-dangling in free flight at 10,000 feet (which is also a very bad idea without a purpose-built/modified kite/glider).

A kite which generates 100 pounds of force (tension) when flown steadily in specific conditions can actually generate about 5,000 pounds* of force if maneuvered aggressively while anchored... if something doesn't break first. And it will, which is the point.

Don't !@#$%^&* do this, people, ever. Deceptively dangerous dynamics are at play.

*Current generation kites have lift/drag ratios (and interchangeably, glide ratios) of 7:1, give or take (most between 6:1 and 8:1, I think). During a loop or other maneuver, a 7:1-l/d-ratio-kite flying across the center of the power zone (window), directly perpendicular to the true wind direction, advances at seven times the rate it "sinks" (laterally) through the air. If this isn't intuitive, a quick overhead-view vector diagram should make it clear. Because lift is a squared function of airspeed, such a kite can generate about 49 times as much force as when "parked".


Last edited by JS on Wed Oct 23, 2013 6:39 pm, edited 1 time in total.

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 Post subject: Re: Jetski Kiting in Canada 70ft airtime
PostPosted: Wed Oct 23, 2013 6:37 pm 
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Wow, I've never seen something so novel before ...

... well, there was that time 11 years ago when a very experienced kiter towed to twice that height, 150 ft., behind a waverunner. There have been lots of other attempts since that time. The guy in 2002 was lucky not to have been killed but got off with lung damage, aspirating blood and some serious pain for a while. Tying the kiter or more accurately "tow dummy" to the tow line too? Lockout city, if you ignore history and past screwups you will definitely be doomed to repeat them in time.

More about what happened back in the day and why at:

http://www.kiteforum.com/viewtopic.php?t=1997

and without all the corrupted file content at:
http://www.fksa.org/showthread.php?t=3466

Our gear isn't designed for towups, can't handle the loads, kiters aren't trained for it either, ignorance is no defense but a ticket to the hospital with dumb stunts like this.

.


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 Post subject: Re: Jetski Kiting in Canada 70ft airtime
PostPosted: Wed Oct 23, 2013 7:26 pm 
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