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TI (and AI) Sprayskirts
http://www.hobie.com/forums/viewtopic.php?f=69&t=30319
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Author:  KayakingBob [ Tue Aug 24, 2010 5:41 pm ]
Post subject:  TI (and AI) Sprayskirts

I haven't posted the TI Sprayskirts yet, and it's been a while on the AI Sprayskirts, so by request (instead of hijacking another thread :oops: ) here's a post on them. :)

TI Sprayskitrts:
ImageImageImage


Here a poor video, showing the Ti going over 11mph at times, downwind. Except when the nose grabs a wave, the Sprayskirt keeps the spray out of the cockpit. (I was busy keeping the TI under control at that speed and waves) :o

[youtube]http://www.youtube.com/watch?v=QaN0ZIE2dsY[/youtube]


This page shows the colors we've made, although lately most want black.
It also has a link to my wife's website if anyone wants to buy one instead of sewing it themselves.
http://www.kayakingbob.com/sprayskirt-purchase

Author:  captain-max [ Tue Aug 24, 2010 6:02 pm ]
Post subject:  Re: TI (and AI) Sprayskirts

"poor video" Bob? That's one of my favourites! 8)

FWIW, whilst the spray skirts are a 'simple' design that you could make yourself, stitching up shade cloth properly would be a PITA. Bob's wife does a very professional job - glad I bought them!

Author:  Honu [ Tue Aug 24, 2010 9:47 pm ]
Post subject:  Re: TI (and AI) Sprayskirts

Yay, thanks for starting this thread.
Nice to see the skirt in action.
Have you ever encountered a situation where the nose submerged in a wave, and the skirt acted like a parachute, where a possible "stall" or "flip" could have occured ?

Author:  KayakingBob [ Tue Aug 24, 2010 11:22 pm ]
Post subject:  Re: TI (and AI) Sprayskirts

Honu wrote:
Have you ever encountered a situation where the nose submerged in a wave, and the skirt acted like a parachute, where a possible "stall" or "flip" could have occured ?
Yes, but never to the point of a pitch pole. One of the "features" of the Sprayskirt is, if it plows into a too large wave it slows to a stop before fully submarining.

Author:  Honu [ Wed Aug 25, 2010 12:04 am ]
Post subject:  Re: TI (and AI) Sprayskirts

Ok, that's good news.
Did you ever experiment with a "one piece" design ? It would cover the front hatch, but would totally block any water from coming through.

Author:  KayakingBob [ Wed Aug 25, 2010 9:28 am ]
Post subject:  Re: TI (and AI) Sprayskirts

I use my front hatch, so I never built a one piece. Early designs, I used just one line connecting both sides and it wasn't as good because the downwind side gave up line to the upwind side so it didn't hold as tightly. The most common mistake on a new installation of the Sprayskirt, is not making it tight enough. A tennis ball should be able to bounce off of the material when on nice and tight.

Author:  Honu [ Wed Aug 25, 2010 3:42 pm ]
Post subject:  Re: TI (and AI) Sprayskirts

Wow, did not know how tight it had to be.

Author:  KayakingBob [ Wed Aug 25, 2010 3:48 pm ]
Post subject:  Re: TI (and AI) Sprayskirts

If it's looser, it just lets more water come around them, or even through them if they are not laying flat. A nice thing about shadecloth (and why I use it) is water (and air) will go strait through it, but at an angle, almost all water will bounce off. So it drains and water from above quickly, but stops just about all waves and spray from coming through.

Author:  captain-max [ Wed Aug 25, 2010 4:05 pm ]
Post subject:  Re: TI (and AI) Sprayskirts

Bob pointed out that my spray skirts aren't tight enough, after seeing them in a vid, and I also haven't secured them at the front hatch and aka yet... but even so, they stopped the water flying into my face. While I love the thrill of white water flowing over the yak when pushing the TI, I'm not so keen on wearing it in the face! I wouldn't be without them!
Image

Author:  NOHUHU [ Fri Aug 27, 2010 1:41 am ]
Post subject:  Re: TI (and AI) Sprayskirts

captain-max wrote:
FWIW, whilst the spray skirts are a 'simple' design that you could make yourself, stitching up shade cloth properly would be a PITA. Bob's wife does a very professional job - glad I bought them!
Dee rocks!
It's a lucky man who's wife shares his passion for Hobies AND has an industrial sewing machine. :mrgreen:

Author:  dosjers [ Thu Sep 02, 2010 4:35 am ]
Post subject:  Re: TI (and AI) Sprayskirts

Bob,

Loved your video.

How well do the sprayskirts work when going to weather?

I sail from the rear seat and when there is good wind I get a lot of spray in the face while going to weather. It looks like the point where the forward downwind aka connects to the boat goes under water and sort of scoops the water up and throws it everywhere. Have you had your downwind sprayskirt riding along going under water like that?

Author:  KayakingBob [ Thu Sep 02, 2010 9:21 am ]
Post subject:  Re: TI (and AI) Sprayskirts

Jerry, on the TI, whenever to boat gets up to speed, the bow wave hits the front aka knuckle and sprays everywhere! The sprayskirt blocks that pretty well entirely. It won't help much, with spray coming off the ama, but that isn't steady, and changes with each wave and the angle to the waves. I haven't heard from even one person that has installed my Sprayskirt, that isn't very happy on the results.

Author:  NOHUHU [ Thu Sep 02, 2010 4:09 pm ]
Post subject:  Re: TI (and AI) Sprayskirts

Max's last video with his new skirts did an excellent job of depicting the TI bow spray and shows how effective the skirts at suppressing it. Even helps w/ Aka splash.

Great design.

http://www.hobiecat.com/forums/viewtopic.php?f=70&t=30781&start=0&sid=2a06c5d5234ca97686ac407601d9b672

Author:  captain-max [ Thu Sep 02, 2010 6:03 pm ]
Post subject:  Re: TI (and AI) Sprayskirts

Jerry, Bob's sprayskirts are excellent. As far as I'm concerned, they're a "must have" accessory! 8)

Author:  TxYackMan [ Thu Sep 02, 2010 7:32 pm ]
Post subject:  Re: TI (and AI) Sprayskirts

I must order this for my TI!!! Very soon...

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