Author Topic: Wing Specific Hydrofoils  (Read 2245 times)

JEG

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Re: Wing Specific Hydrofoils
« Reply #15 on: December 10, 2019, 12:33:59 PM »
that LOL is fast DW foil and well done on your results Jacko (2nd) & Ben (1st & 1st), smash it!

The Guy won in foil/wing category was on duotone wing with axis foil.

https://www.facebook.com/Kingofthecut.Perth.Australia/

obxDave

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Re: Wing Specific Hydrofoils
« Reply #16 on: December 11, 2019, 01:47:06 AM »
Exactly the challenge.  And this is the reason the kite foils never worked in the surf.  They were designed to go 30 mph+++.

Kite foils have been around more than a decade but it took Alex Aguerra to slow everything down and re-invent the sport.  Now the wing ding has us wanting to go faster again.

I see it a little differently.  Recreational kite foil wings first started out with smallish slow “shovel” wings (really unstable over 20 mph), then quickly progressed to small higher aspect and reasonably fast wings (~600 cm2 with an average riding speed about 20 mph;....30mph+ is pushing into more race specific designs). I had an RRD h-flight  wing that was in that category.  With limited area they also had high stall speeds. They weren’t the easiest to learn on but short masts for learning were just coming out so that helped.

Moses came out with the 633 Onda (maybe early 2018?) designed specifically as a wave surfing wing, not as a generic kite foil wing at all. It was huge (1200 sq cm) by kite foil standards, and sort of looked like a large “techie” version of the original shovel foils.  Kite foilers almost immediately discovered it was perfect for “average person” kite foiling,....very low stall speed and yet pretty decent high end speed,....and pretty carvy all at the same time. Even sort of workable in knee-to-head-high surf. Low aspect but very thin profile.   The 633 completely changed kite foiling, and still dominates the market today. Mine’s been pounded hard and still works as well as the day got it.  I hardly see anyone use it for its original surfing purpose.

Moral to the story,....like Dwight said, we know nothing so hang on for the ride and keep the credit card ready🤪. I wish all foil producers would publish a “volume” spec like Axis and Gong. I think I’d prefer it over a thickness spec. The numbers on the new Moses 1100 don’t really tell me any thing without the profile thickness (or volume) spec. FWIW I’m not a current fan of thick wings, regardless of the span/chord dimensions.

Axis 1020 => 2013 sq cm projected area, 4.16 liter volume
Axis 1000 => 1310 sq cm projected area, 1.94 liter volume
Gong pro XL => 1733 sq cm projected area, 2.5 liter volume

Admin

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Re: Wing Specific Hydrofoils
« Reply #17 on: December 11, 2019, 04:29:28 AM »
We have the high lift lower speed side of things really well covered.  It is possible that the high aspect wings developed for other sports are going to be best option for winging at the other end of the spectrum (they are fast and fun) but I imagine we will see a range of options that fill the sizable gap between those.  I believe the Phantom is a new one coming from F-One.

« Last Edit: December 11, 2019, 04:45:45 AM by Admin »

Admin

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Re: Wing Specific Hydrofoils
« Reply #18 on: December 12, 2019, 05:33:24 AM »
PS:  On FB a user had asked about the difference between the two foils.  Here is the (translation of the) response:

At the moment there is only one phantom 1780, when we compare the shapes, the phantom is more slim than the gravity 1800 (size of 107, 90 for gravity). The Phantom is a bit more flat, it has less lobe than gravity. The Phantom's profile is more fine. The Phantom has less (closer) Rope.
In Practice, rendering is a bit more difficult with a phantom than with a low speed gravity (one can assume that it is more easily than in surf or sup foil).
A little less handling, it's not a foil of carving, but in downwind sup foil it is comfortable for zigzagging in the swell.
More speed for the phantom, the flight is longer, in pumping for example there will be more performance. More yield because more lift, we'll have as much lift as with a 2200.
Both are suitable for sup foil, wing foil, pumping, advantage to the phantom in terms of speed, advantage to gravity for handling; in performance the phantom will go faster and generate more lift, for a small gauge the Phantom is asking for more attention. The difference is subtle between the two, more phantom fishing, more gravity handling. Performance at the phantom, gravity accessibility.

Solent Foiler

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Re: Wing Specific Hydrofoils
« Reply #19 on: December 12, 2019, 08:49:42 AM »
I guess 'rope' should be translated as 'chord'...
I'm 5'10", 65kg riding:
Naish Hover Crossover 120
Gong Catch 5'3"
on Naish foils (1250 & 1650).
Gong Plus wings - 4m, 5m

 


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