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by RalfsB
Wed Apr 29, 2020 12:09 pm
Forum: Gear Builders
Topic: Stringer in small foilbord?
Replies: 16
Views: 786

Re: Stringer in small foilbord?

downunder wrote:
Wed Apr 29, 2020 10:08 am
Did u make the carbon plate as well?
No, that is a commercial KFbox-to-plate adapter, made by Alpine
by RalfsB
Wed Apr 29, 2020 8:13 am
Forum: Gear Builders
Topic: Stringer in small foilbord?
Replies: 16
Views: 786

Re: Stringer in small foilbord?

Yes, I also found 2 stringers to be the most practical. Stringer can be few mm wider than the hole, like if you are using 6mm screws then stringers can be 10-12mm wide, full board depth, length like 5-10 cm back from the aft hole and 10-15 cm forward from the front hole. To make stringers more stres...
by RalfsB
Thu Apr 16, 2020 6:42 pm
Forum: Kitesurfing
Topic: Bigger board or bigger kite in light wind?
Replies: 35
Views: 1440

Re: Bigger board or bigger kite in light wind?

Both bigger board and bigger kite. And also longer lines for the kite (like 5 or 10 m extensions). The kite size can be like 16 to 18 meters. When choosing the board look for width. There are some great twintips like 48-50cm wide. Or use a wide surfboard. Also an alaia style board works great in lig...
by RalfsB
Wed Apr 15, 2020 2:46 pm
Forum: Foil Kites
Topic: Nice overview on foil kites
Replies: 33
Views: 1826

Re: Nice overview on foil kites

About a year ago I bought a HQ4 Matrixx 18m, an excellent kite with great range, love it. Previously I owned an Ozone Chrono, did not like it. I have not tried any older HQ kite models or the latest Empulse so I do not have any general comments on HQ.
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: 404

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: 127
Views: 9992

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: 127
Views: 9992

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: 127
Views: 9992

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: 776

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: 1316

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.

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