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by gbrungra
Sat Dec 02, 2017 8:12 pm
Forum: Hydrofoil
Topic: hydrofoil at max speed limit
Replies: 63
Views: 10513

Re: hydrofoil at max speed limit

Sail Rocket used super-cavitating foils to go 65 knots. I don't know of anyone who has made them work on a KBHF. Another limit is ventilation. For instance, Sail Rocket used a "collar" foil around its vertical section(equivalent to a KBHF mast) to prevent the ventilation propagating down the foil. I...
by gbrungra
Thu Nov 30, 2017 6:07 am
Forum: Hydrofoil
Topic: How do you teach foilboarding?
Replies: 11
Views: 9733

Re: How do you teach foilboarding?

Slingshot Hoverglide and the Flight School graduated masts worked well for me too. However, I'm struggling to move from them to a full mast and carbon foil on a short board, just get thrown off all the time. But the real problem is I'm too cheap to buy my own, so have been using friends, hence not ...
by gbrungra
Thu Nov 30, 2017 6:05 am
Forum: Hydrofoil
Topic: America's Cup 2021, the hydrofoil AC75
Replies: 34
Views: 15614

Re: America's Cup 2021, the hydrofoil AC75

I crewed for one day of racing on Columbia. Beautiful boat, and fun teamwork, and tight racing against other 12m class boats of that vintage. Awesome...in my early teens my friend and i built 2 1/2 foot long to scale fiberglass models of 12m class boats and sailed them in the bay at our boating clu...
by gbrungra
Thu Nov 30, 2017 2:08 am
Forum: Hydrofoil
Topic: How do you teach foilboarding?
Replies: 11
Views: 9733

Re: How do you teach foilboarding?

I'm teaching myself right now. Ten sessions so far. Setup: Slingshot hoverglide w flight school masts, high volume board w tracks for mounting, w 2 front foothooks. I wouldn't change anything about my foil setup for learning. Front foothooks are enough for me to position the board and keep it tilted...
by gbrungra
Thu Nov 30, 2017 1:54 am
Forum: Hydrofoil
Topic: America's Cup 2021, the hydrofoil AC75
Replies: 34
Views: 15614

Re: America's Cup 2021, the hydrofoil AC75

Beautiful 1958 Columbia http://www.briggscunningham.com/wp-content/uploads/2015/05/12-meter-sailing.jpg I crewed for one day of racing on Columbia. Beautiful boat, and fun teamwork, and tight racing against other 12m class boats of that vintage. But in today's media environment no one will tune in ...
by gbrungra
Sun Nov 26, 2017 2:55 am
Forum: Hydrofoil
Topic: wings for using smallest kite possible
Replies: 42
Views: 8598

Re: wings for using smallest kite possible

Wing size vs efficincy is one tradeoff. Another is board floatation. A thick, floaty board is nice for transitions, and for that second loop before getting foiling (first loop is to get you up on the board). But, in really marginal conditions it's nice to have a board that sinks deep in the water so...
by gbrungra
Mon Sep 25, 2017 4:53 pm
Forum: Kitesurfing
Topic: Do you understand apparent wind? Video explanation
Replies: 6
Views: 1110

Re: Do you understand apparent wind? Video explanation

I saw that video, and am glad someone put an anemometer on a kite, but it barely scratched the surface of what should be tested. Position in the window, diving the kite (power-stroke), different line lengths while power stroking, upwind, reaching, downwind and position in the wind window during all ...
by gbrungra
Sat Sep 23, 2017 4:45 pm
Forum: Kitesurfing
Topic: Ozone Hyperlink / Kitech Free RS
Replies: 20
Views: 3372

Re: Ozone Hyperlink / Kitech Free RS

What are the prices? The Free RS isn't even on the Kitech website yet.
by gbrungra
Fri Sep 22, 2017 6:23 pm
Forum: Kitesurfing
Topic: Ozone Hyperlink / Kitech Free RS
Replies: 20
Views: 3372

Re: Ozone Hyperlink / Kitech Free RS

Glad to hear foil kites are going this direction. Eventually I'd like to build a travel quiver without a pump. And my wife doesn't like windy vacations spots, so it will probably be a 12m foil kite, split-board, and carbon foil... Hyper light and conceptair pulsion were on my short list. I'll have t...
by gbrungra
Fri Sep 22, 2017 6:16 pm
Forum: Hydrofoil
Topic: Chinese KB Hydrofoil : 300 USD + shipment
Replies: 365
Views: 63781

Re: Chinese KB Hydrofoil : 300 USD + shipment

Hey guys, I want to get into kitefoiling. Do you think I can use this Chinese hydrofoil along with a Naish Hover 130 to learn how to foil? I don't want to buy something like the Liquid Force Rocket Fish and then sell it to upgrade to this. naishHover.jpg foil.png Why buy a brand new, name brand boa...

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