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by RalfsB
Mon Mar 30, 2020 4:23 pm
Forum: Gear Builders
Topic: Way to extend foil mast 8cm by adding something between board and mast?
Replies: 5
Views: 324

Re: Way to extend foil mast 8cm by adding something between board and mast?

You could make 2 wooden 'planks' that are shaped like oversized twintip fins, 8cm high, about 2cm thick, 20cm long or longer. Top of those 'fins' goes into the board, bottom to the mast plate. If this seems too unstable, have some foam in between, wrap the whole thing in fiberglass or carbon, make f...
by RalfsB
Wed Mar 18, 2020 2:08 pm
Forum: Hydrofoil
Topic: First impression of Gong M Pro
Replies: 112
Views: 8679

Re: First impression of Gong M Pro

Thanks for the info, if you try to bend and also rotate the foil by turning the fuselage when the whole setup is attached to the board and upside down, how stiff the system is, please? I do not have many other foils to compare to but definitely stiffer than my Alpine 90cm carbon mast setup; Gong's ...
by RalfsB
Wed Mar 18, 2020 8:05 am
Forum: Hydrofoil
Topic: First impression of Gong M Pro
Replies: 112
Views: 8679

Re: First impression of Gong M Pro

Regarding the weight of the setup: I just got my M Pro wing with the 40cm surf stab and the 70cm carbon mast (which includes the fuselage and the plate mount in one piece), it all together weights 3363 grams. Everything fits together nicely, the workmanship is perfect and it all looks very sturdy. ...
by RalfsB
Tue Mar 17, 2020 9:28 am
Forum: Hydrofoil
Topic: First impression of Gong M Pro
Replies: 112
Views: 8679

Re: First impression of Gong M Pro

Regarding the weight of the setup: I just got my M Pro wing with the 40cm surf stab and the 70cm carbon mast (which includes the fuselage and the plate mount in one piece), it all together weights 3363 grams. Everything fits together nicely, the workmanship is perfect and it all looks very sturdy.
by RalfsB
Thu Mar 12, 2020 1:14 pm
Forum: Gear Builders
Topic: Closed cell foam blanks and rocker
Replies: 14
Views: 651

Re: Closed cell foam blanks and rocker

If you have one side of the board covered with carbon and rails wrapped, and epoxy hardens while your board is on a rocker table, there is literally no springback. I think that the rails are the main factor that makes the whole construction very solid.
by RalfsB
Mon Mar 02, 2020 10:12 am
Forum: Kitesurfing
Topic: Weird knee pain after (only) cold sessions
Replies: 23
Views: 1275

Re: Weird knee pain after (only) cold sessions

I have it in one knee. Long time ago (like 15 years) I had a meniscus trauma in that knee. Now I feel a dull pain in it after cold water sessions.
by RalfsB
Thu Feb 27, 2020 9:22 am
Forum: Kitesurfing
Topic: Naish Pivot / Slash or Boxer 2020
Replies: 7
Views: 601

Re: Naish Pivot / Slash or Boxer 2020

12m Boxer is a great kite: stable, light, turns well, grunty, playful. Have not tried others in this size.
by RalfsB
Wed Feb 26, 2020 1:10 pm
Forum: Kitesurfing
Topic: Self launching
Replies: 43
Views: 2626

Re: Self launching

I really can't understand the reason for launching unhooked. After that you need to hook in which introduces an element of danger. And it is hard to do with thick gloves in winter. Regarding kite sliding backwards, as previous commentators suggested, you need to walk a bit upwind from where the kite...
by RalfsB
Tue Feb 25, 2020 3:11 pm
Forum: Foil Kites
Topic: landing a gin marabou
Replies: 5
Views: 447

Re: landing a gin marabou

Yes, the process of launching and landing is the same.
by RalfsB
Wed Feb 05, 2020 1:23 pm
Forum: Gear Builders
Topic: Pocket board building
Replies: 248
Views: 22496

Re: Pocket board building

Tone wrote:
Wed Feb 05, 2020 11:17 am
thewindego wrote:
Sun Feb 02, 2020 4:05 pm
One layer of 650g/m2 carbon is plenty tough.
Few years ago I built a pocket board using XPS foam, layup was 2 layers of 200 gram/m2 carbon cloth on the top, one layer on the bottom, additional patches around the built-in KF-box. It was light and strong.

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