Kelly's wave.

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Trev
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Re: Kelly's wave.

Post by Trev » Sun Dec 20, 2015 3:55 pm

The video seems to have been carefully shot to NOT show any working backgrounds.
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Re: Kelly's wave.

Post by crabmeat thompson » Sun Dec 20, 2015 4:03 pm

offshore1 wrote:How does it work? Anybody know? That's a pretty good manmade wave.

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Re: Kelly's wave.

Post by marauding mullet » Sun Dec 20, 2015 4:12 pm

Big Jimbo Pellegrine jumps in at one end.
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Re: Kelly's wave.

Post by Trev » Sun Dec 20, 2015 4:13 pm

Braithy wrote:
offshore1 wrote:How does it work? Anybody know? That's a pretty good manmade wave.

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Re: Kelly's wave.

Post by offshore1 » Sun Dec 20, 2015 4:20 pm

That's pretty dry and technical, any way to dumb it down to layman's terms?
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Re: Kelly's wave.

Post by channels » Sun Dec 20, 2015 4:31 pm

On Beachgrit, they have a screenshot of Slats in boardies in the barrel. So questioning when the vid was actually shot.

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Re: Kelly's wave.

Post by The Mighty Sunbird » Sun Dec 20, 2015 8:19 pm

Maybe it's all a cgi hoax
Erase.

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Re: Kelly's wave.

Post by Wubic Pig » Sun Dec 20, 2015 8:34 pm

offshore1 wrote:That's pretty dry and technical, any way to dumb it down to layman's terms?
I'm guessing an underwater boat shaped hull on a track driven electrically and they'll whack up some solar/wind farm to offset the gunk. A nuclear wave would be cool - decahexadronical overhead.

Anyway I just can't get my head past jumping on it just the once on an old school coolite and just stall, trim, stall, trim and so on and so on...
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Re: Kelly's wave.

Post by surfresearch » Mon Dec 21, 2015 11:30 am

A few initial thoughts...
1. An outstanding technical development- a perfect artificial hydrodynamic wave.
2. According to Ted Spencer (1970), the size is perfect: a 6ft wave- a 6ft board - a 6ft rider.
3. Length of ride is most excellent at round 30 secs and +100 yards or metres?
4. If you are going to build a perfect shaped 6ft wave, Bruce's thin-lipped Beauties is not a bad place to start; with maybe also a touch of Rincon, or Broken Head, or even a nod to small Honolua Bay.
5. Glad I am not a goofy-foot.
6. If another one is built, it could/would/should be a looking-glass version of the "real" one.
7. Its value as a contest venue is unknown, someone will probably try it and we will see what happens.
8. It has some potential for developing and testing surfboard designs, and probably more valuable than anything done so far by tank testing.
9. Its value as a "fair-ground attraction" is likely to be considerable.
10. In 2015, based on his (ongoing) contest record, Kelly Slater's status in surfing history; indeed, in the history of competitive sport; is assured. In the very, very long term, this development could conceivably rank alongside his already significant contribution.

And just a couple of questions:
1. How do they do it?
2. Do I have to paddle back out?
3. Can the wave height be varied?
4. Can the rate of peel be varied?
4. How many minutes between each wave?
5. Is the location affected by the local wind conditions- is it possible for it to be onshore?
6. Water temperature?
7. What happens if, unlike Kelly, I don't make it out of the barrel, or land the air?
Geoff

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Re: Kelly's wave.

Post by foamy » Mon Dec 21, 2015 12:16 pm

I don't think it is really peeling. Narrow pool. The curl is not really moving across the wave. It looks like it is with the camera angle. The first shots of the unridden wave better show that the curl is pretty stationary. You can also see that from the angle of his surfboard when he is in the tube.

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Re: Kelly's wave.

Post by shaunmorrison » Mon Dec 21, 2015 12:41 pm

foamy wrote:I don't think it is really peeling. Narrow pool. The curl is not really moving across the wave. It looks like it is with the camera angle. The first shots of the unridden wave better show that the curl is pretty stationary. You can also see that from the angle of his surfboard when he is in the tube.
If the curl is stationary, does that mean I dont have to paddle back out?

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Re: Kelly's wave.

Post by foamy » Mon Dec 21, 2015 12:54 pm

Ha, ha. The wave is moving down the pool, just not peeling across the pool. You'd be walking back. I imagine the wave angle is a bit slanted, i.e. not perpendicular to the side of the pool, which would give the water flow into the wave a bit of the illusion of lateral movement.

In ocean waves for surfing, a peel angle of about 45° is considered ideal, 60°is slow, 30°is really fast. If you want a long pool wave ride, the costs would mean you wouldn't want to be designing a pool as wide as it long.

This is the wave pool.
Image

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Re: Kelly's wave.

Post by tootr » Mon Dec 21, 2015 1:09 pm

Apparently its an old artificial water skiing lake they bought and rejigged. I bet dollars to donuts this is just their test facility bought on cheap land far from prying eyes and the final design is yet to be revealed.

I can think of a point break that sort of breaks like that.
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Re: Kelly's wave.

Post by shaunmorrison » Mon Dec 21, 2015 2:01 pm

It's next to a golf course, I bet Kellys got his own hotted up golf buggy to drive back up to the take off area.

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foamy
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Re: Kelly's wave.

Post by foamy » Mon Dec 21, 2015 2:35 pm

Or even better, as Kelly did, have the unofficial king of Teahupoo, Raimana Van Bastolaer, there on tap to taxi you on a jetski.

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Re: Kelly's wave.

Post by alakaboo » Mon Dec 21, 2015 2:43 pm

Ron the energy required increases as a square of the height.

Looks to me that they have wavegarden-type contouring but Webber-style wave generation.

There was a company a few years back in New Jersey that had a technology that looks like it could fit the bill. The Inertia did a story on it I think.
If I was on a PC I'd have a dig around some satellite pics. Surprised none of the internet sleuths have access or maybe just too wise to post up.

Brown water suggests big issues with turbulence after each wave, but it's a beautiful thing.
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Re: Kelly's wave.

Post by still here » Mon Dec 21, 2015 4:59 pm

So does a perfect wave improve your surfing ..... or does growing up in mushy E coast USA do the trick .
Damn... it looks good .

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Re: Kelly's wave.

Post by tonks » Mon Dec 21, 2015 5:37 pm

Beerfan wrote:Who would really convert to surfing after going to a wave pool?. Even in "Dubbo dave" spent months at a wave pool and got right into it, the first time he tried to go out through a shore break, or lost his board, or just simply rocked up expecting perfect waves and saw the average east coast pus 3 times out of 4, it'd knock the wind right out of their sails.
I just think we should be careful what we wish for. History is full of examples of where new technologies have had perverse outcomes.

Boo, I think the water might have tannins in it or perhaps the pond is lined with black plastic. The colour shows up in, what I assume is, the first wave of the morning so is unlikely to be the result of disturbance, IMO.

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