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by Kykeon
Thu Oct 19, 2017 12:20 pm
Forum: Hydrofoil
Topic: Why not more canards ?
Replies: 19
Views: 1575

Re: Why not more canards ?

by Kykeon
Thu Oct 05, 2017 6:16 pm
Forum: Reviews
Topic: 24-7boardsports.com and zeeko customer service Review
Replies: 1
Views: 150

24-7boardsports.com and zeeko customer service Review

Since I've benefited many times from the body of knowledge in this forum, I always try to share if I have an exceptionally good or bad experience or I tested a controversial product. I'm not affiliated in any way with 24-7boardsports.com or Zeeko and I always pay for my kiting equipment The story: I...
by Kykeon
Mon Oct 02, 2017 1:47 pm
Forum: Foil Kites
Topic: Low AR foil kite
Replies: 12
Views: 898

Re: Low AR foil kite

Is this screenshot from surfplan?
kitexpert wrote:
Mon Oct 02, 2017 12:16 pm
I'm not quite certain of using only A, B and Z, it may be better idea for high AR kites with short chords.
That was exactly what I thought when I saw the drawing
by Kykeon
Mon Oct 02, 2017 7:24 am
Forum: Hydrofoil
Topic: line length for Hfoiling in >15 knots
Replies: 23
Views: 1428

Re: line length for Hfoiling in >15 knots

From a theoretical point of view : The kite travels with the same speed across the wind window independent of line length but longer lines means bigger wind window. Therefore since the kite has to travel greater distance with the same speed, it takes longer to do so. That means longer power spike an...
by Kykeon
Fri Sep 29, 2017 8:14 am
Forum: Hydrofoil
Topic: Importance of wing AR?
Replies: 23
Views: 1686

Re: Importance of wing AR?

How does the surface area of your easy compare to your wave?
Isn't it 50% larger?
I'm not sure if this has more effect in light winds than the aspect ratio. (from theory only)
by Kykeon
Thu Sep 28, 2017 7:11 pm
Forum: Foil Kites
Topic: Hand-held vacuum cleaner for inflation
Replies: 25
Views: 1552

Re: Hand-held vacuum cleaner for inflation

Thanks to the info in this thread I decided to: 1) Keep on working to improve my technique An idea is: if the wind is too low to launch 45deg to the wind, to try a walking/running backwards to launch but as the small beach does not allow to run fully upwind, I’ll have to do it at about 60 to 80 degr...
by Kykeon
Wed Sep 27, 2017 9:33 pm
Forum: Hydrofoil
Topic: Importance of wing AR?
Replies: 23
Views: 1686

Re: Importance of wing AR?

http://www.alpinefoil.com/pages-hydrofo ... ort-1.html

This one has an AR of 4.32 which is perfectly within the range you recommended and with 700cm2 it's bigger than average
by Kykeon
Wed Sep 27, 2017 9:26 pm
Forum: Hydrofoil
Topic: Aftermarket/3rd party wings
Replies: 16
Views: 1205

Re: Aftermarket/3rd party wings

My initial (rough) calculation was for carbon. Ignored also shipping cost and VAT but even with those, the cost is still half the price I would pay. (excluding work and investment recoveries) Although that would need a very low hourly rate to be competitive. (The business case would definitely not f...
by Kykeon
Wed Sep 27, 2017 7:45 pm
Forum: Hydrofoil
Topic: Aftermarket/3rd party wings
Replies: 16
Views: 1205

Re: Aftermarket/3rd party wings

That's an interesting business idea. I bet that many people will be interested in a big light wind/ wave wing next their stock freeride wing. Recalling my fluid dynamics studies, a bigger,fatter, thicker wing should be easier to get working good plus it will be stronger. (Potentially the same wing, ...
by Kykeon
Tue Sep 26, 2017 9:47 am
Forum: Hydrofoil
Topic: What are your Worst Accidents Hydrofoiling?
Replies: 39
Views: 3223

Re: What are your Worst Accidents Hydrofoiling?

Foil stuck in the lines seems often, i also had it. Releasing safety makes little sense (as with all death loops) , actually makes things worse... It's instinctive but your logic must fight it. Best thing is to grab a single line and pull until you flag the kite on it are you sure it would work? I ...

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