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by davesails7
Sat Jan 27, 2018 1:32 pm
Forum: Hydrofoil
Topic: On the foil but unable to go upwind!?
Replies: 20
Views: 2269

Re: On the foil but unable to go upwind!?

I've had this happen at the absolute low end with some current. Even on a race foil and race kite I get to a point where I'm barely holding ground upwind in very light wind. When the wind is really light, and you're going 2.5x or 3x faster than the wind, the apparent wind angle shifts way around in ...
by davesails7
Fri Jan 05, 2018 5:15 pm
Forum: Hydrofoil
Topic: Why pro-riders move the hip forwards?
Replies: 25
Views: 3566

Re: Why pro-riders move the hip forwards?

Maybe their legs and foot straps are just where they want them, but because of the relatively lower speeds going upwind they need less front foot pressure, so they lean their torsos back to compensate? When going upwind on a long strut race foil, the board is leaned over 45 degrees or more. The kit...
by davesails7
Wed Jan 03, 2018 5:00 pm
Forum: Hydrofoil
Topic: Why pro-riders move the hip forwards?
Replies: 25
Views: 3566

Re: Why pro-riders move the hip forwards?

It's also about locking your rear knee straight to make a direct coonnection with the board. Then the front leg is flexed to control ride height. Locking your rear leg straight puts your hips forward in the position shown. I've noticed the biggest difference between me (mid fleet) and the top riders...
by davesails7
Mon Dec 11, 2017 4:59 pm
Forum: Hydrofoil
Topic: Which watch for real-time speed read out
Replies: 23
Views: 1760

Re: Which watch for real-time speed read out

Locosys GW60. It’s the only one with a doppler and running at 5hz. Made specially for windsurfing and kitesurfing. Case close. What does Doppler do? I've never had trouble with the ambit giving me inaccurate values (spikes). Or are there other inaccuracies i dont know about? Mostly looking at speed...
by davesails7
Sun Dec 10, 2017 10:03 pm
Forum: Hydrofoil
Topic: Which watch for real-time speed read out
Replies: 23
Views: 1760

Re: Which watch for real-time speed read out

From reading the manual looks like no max speed recorded and no knots as unit. Not sure about tom tom, but the suunto ambit has 100s of user created "apps" you can upload to the watch to have it display whatever you want. I added a max speed in knots readout for example. The display has three lines...
by davesails7
Thu Dec 07, 2017 9:51 pm
Forum: Hydrofoil
Topic: The New 2018 Airush Core Foil Series Out Now
Replies: 18
Views: 2255

Re: The New 2018 Airush Core Foil Series Out Now

tegirinenashi wrote: two of them are too close to the leading and trailing edge to have the same effect.
Isn't area farther away from the center exactly what you want if you are trying to increase torsional stiffness? Area away from the center of the area increases the polar moment of inertia.
by davesails7
Thu Dec 07, 2017 7:33 pm
Forum: Hydrofoil
Topic: The New 2018 Airush Core Foil Series Out Now
Replies: 18
Views: 2255

Re: The New 2018 Airush Core Foil Series Out Now

To be honest, I have a problem with reviews. Most of them essentially boil down to "I took the gadget for a spin and had some fun". I'm sorry, but this is not a test. Even clever and funny reviewers like Kitefinder.com fall into this trap. Witness their foil "review": "We tested this high AR wing a...
by davesails7
Thu Dec 07, 2017 1:55 pm
Forum: Hydrofoil
Topic: Which watch for real-time speed read out
Replies: 23
Views: 1760

Re: Which watch for real-time speed read out

Are you able to see it clearly at speed? Arm angle? Read out large enough? As xmas is coming and have out grown my older gps am very interested in your and others ideas, thoughts. Are you pleased over all with your suunto please? User friendly to down load to see session on computer? R H Yes, easy ...
by davesails7
Wed Dec 06, 2017 8:10 pm
Forum: Hydrofoil
Topic: Which watch for real-time speed read out
Replies: 23
Views: 1760

Re: Which watch for real-time speed read out

There are a lot. I use suunto ambit 2 because it was cheap at the time ($150).
by davesails7
Wed Dec 06, 2017 2:13 am
Forum: Hydrofoil
Topic: The New 2018 Airush Core Foil Series Out Now
Replies: 18
Views: 2255

Re: The New 2018 Airush Core Foil Series Out Now

tegirinenashi wrote:
Tue Dec 05, 2017 6:51 pm
and notice the cross beams surrounding the bolt openings located in perfect places. Just from profile comparison I would predict 3-bolt design to be twice as flexy as compared to 2 bolt one.
Because the bolts are in thinner material? Nah

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