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by Cefirmeza
Wed Jun 01, 2022 10:31 pm
Forum: Hydrofoil
Topic: Foil sanding to get rid of turbulence
Replies: 12
Views: 990

Foil sanding to get rid of turbulence

I am experiencing turbulence and draggy noise when riding at low speeds. Already sanded both mast and back wing trailing edges both sides at 30 degrees and still there. I did more than 20 pre session sanding and now it is quite sharp. What would happen if I sand them square tips at 90 degrees?
by Cefirmeza
Sat Feb 12, 2022 4:39 pm
Forum: Wingsurfing
Topic: Best luffed downwind conditions
Replies: 2
Views: 494

Best luffed downwind conditions

I have been working on my pumping game lately and practicing how far I can ride downwind connecting bumps with wing fully depowered. I started to notice the difference on the ocean energy and bumps size depending on the tides and how it affects the push under the foil resulting on easier glides and ...
by Cefirmeza
Sun Jan 23, 2022 11:51 am
Forum: Hydrofoil
Topic: Mast Position vs Adding Shims
Replies: 11
Views: 6723

Re: Mast Position vs Adding Shims

With 91/101/111 masts you’d want you back foot big toe to be behind line of rear holes of mast plate. If you’re using 82/92 or RDB 70/90 masts you should have you back foot big toe in front of the line of rear holes of the mast plate. If you can’t move the mast any further forward and still have to...
by Cefirmeza
Wed Jan 19, 2022 2:28 am
Forum: Wingsurfing
Topic: Small boards are often tricky
Replies: 37
Views: 16455

Re: Small boards are often crap....

Interesting topic! Im 75 kg. Foils: SAB W800, SAB BM799 Below my board volume history and impressions. 1. In June 2021 I started with a 140 l board I could borrow. 2. After 3 times I bought a SAB95 liter. Found it much easier to gibe and overall handling than the 140 l board 3. Sold it after using ...
by Cefirmeza
Wed Jan 19, 2022 2:26 am
Forum: Wingsurfing
Topic: Small boards are often tricky
Replies: 37
Views: 16455

Re: Small boards are often crap....

Interesting topic! Im 75 kg. Foils: SAB W800, SAB BM799 Below my board volume history and impressions. 1. In June 2021 I started with a 140 l board I could borrow. 2. After 3 times I bought a SAB95 liter. Found it much easier to gibe and overall handling than the 140 l board 3. Sold it after using ...
by Cefirmeza
Wed Jan 05, 2022 12:59 am
Forum: Wingsurfing
Topic: Bird sounds on Moses 72 mast
Replies: 6
Views: 3198

Re: Bird sounds on Moses 72 mast

Stupid question... have you checked the other parts or tried switching back as a way to isolate the problem? 100% is the mast. Only changed the mast. Before it was perfectly fine. I sanded a few times the trailing edge and just made it worse. Lots of vibration and drag during the hum. I read somewh...
by Cefirmeza
Tue Jan 04, 2022 5:51 pm
Forum: Wingsurfing
Topic: Bird sounds on Moses 72 mast
Replies: 6
Views: 3198

Re: Bird sounds on Moses 72 mast

Watch this, might help https://youtu.be/6rcCk8bAF10 Thank you for the suggestion but I dont think it is a trailing edge problem. I sanded a few times and it remains but only when jibe at slow speeds and when carving rail to rail. The drag sound disappears at high speeds but increases when I slow do...
by Cefirmeza
Tue Jan 04, 2022 2:36 pm
Forum: Foil Kites
Topic: Flysurfer Peak4/5 kite sizes used
Replies: 27
Views: 9628

Re: Flysurfer Peak4/5 kite sizes used

Used peak4 6m for first time out of the bag in 8-10kn and I felt it didn’t had the wingtips totally opened. Does it require any tweek or bridle check before flying?
by Cefirmeza
Mon Jan 03, 2022 10:34 pm
Forum: Wingsurfing
Topic: Bird sounds on Moses 72 mast
Replies: 6
Views: 3198

Re: Bird sounds on Moses 72 mast

After switching from 82 to 72 mast the foil started to make a very annoying bird whistle. It is not that continuous high tuned whistle but repeated short noises. Despite the mast is like new, with no imperfections and sanded both edges, I feel the subtle drag while it sings. I use it with w1000 s39...
by Cefirmeza
Mon Jan 03, 2022 10:06 pm
Forum: Wingsurfing
Topic: Bird sounds on Moses 72 mast
Replies: 6
Views: 3198

Bird sounds on Moses 72 mast

After switching from 82 to 72 mast the foil started to make a very annoying bird whistle. It is not that continuous high tuned whistle but repeated short noises. Despite the mast is like new, with no imperfections and sanded both edges, I feel the subtle drag while it sings. I use it with w1000 s399...

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