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by tegirinenashi
Sun Nov 15, 2020 12:54 am
Forum: Kitesurfing
Topic: Buying a kite + bar setup from a direct to consumer manufacturer in Europe
Replies: 29
Views: 2883

Re: Buying a kite + bar setup from a direct to consumer manufacturer in Europe

Superiority of "premium" brands is a myth. The direct 21st century sales model has been there for decade and a half since Best Kiteboarding, and their kites were proven as good as the competitive brands sold in stores. It is remarkable, that since then no other direct brand emerged taking significan...
by tegirinenashi
Sun Nov 15, 2020 12:40 am
Forum: Kitesurfing
Topic: leading edge repair
Replies: 4
Views: 412

Re: leading edge repair

If it's your first time repair, I would remove the half of leading edge bladder in order not to risk puncturing it.
by tegirinenashi
Sat Nov 14, 2020 4:39 pm
Forum: Kitesurfing
Topic: leading edge repair
Replies: 4
Views: 412

Re: leading edge repair

For small tear you don't have to sew. Just insert oversized dacron patch into the hole and apply glue into the gap, press, cure. Then a patch of sticky sail repair tape on top. That's right: non-adhesive dacron is easier to insert inside the leading edge -- the adhesive one would stick prematurely m...
by tegirinenashi
Sun Nov 01, 2020 4:29 pm
Forum: Hydrofoil
Topic: How to slow down the foil
Replies: 20
Views: 2329

Re: How to slow down the foil

My foil session count is probably approaching couple hundreds, but I occasionally struggle with this issue too. I'm specifically interested in scenario where you crank up TT sized kite for the conditions; which is essentially what racers do... Now, the upwind legs are phenomenal, as you literally sa...
by tegirinenashi
Wed Oct 28, 2020 7:34 pm
Forum: Gear Builders
Topic: Open Fuse
Replies: 56
Views: 4542

Re: Open Fuse

Torsion is proportional to the beam length. For fuselage we are talking about 20 cm or so of the length between the main wing attachment point and the mast. I have hard time believing that this fuse section, which is supporting the full rider weight, might be weak on torsion. Second, what is the cau...
by tegirinenashi
Wed Oct 28, 2020 4:18 pm
Forum: Gear Builders
Topic: Open Fuse
Replies: 56
Views: 4542

Re: Open Fuse

That's right: tubes; 6mm outer, 3 mm inner diameter. It is the common structural engineering wisdom that the inner part of the bar/tube/strut is useless for the bar strength. Then, you may ask why not to use just a larger diameter tube? This is because I can glue relatively short 500 mm rods in over...
by tegirinenashi
Wed Oct 28, 2020 3:27 am
Forum: Gear Builders
Topic: Open Fuse
Replies: 56
Views: 4542

Re: Open Fuse

I'm assembling fuselage from pultruded carbon fiber carbon rods . I have also bought black glass fiber rods, because you can never trust anything from aliexpress, but carbon fiber items are indeed much less flexy and also are about 30% lighter. I have bought 6 mm diameter ones. After gluing them int...
by tegirinenashi
Mon Oct 05, 2020 5:54 pm
Forum: Snow / Land
Topic: climate change / unpredictable weather/wind
Replies: 1840
Views: 56650

Re: climate change / unpredictable weather/wind

Would you consider Svante Arrhenius as an acknowledged expert? Oh, that was 100 years ago, so he didn't actually know what he was writing... But then, why are you so sure "the scientific consensus" today is any better at predicting the future centuries from now? (Every now and then new arrogant youn...
by tegirinenashi
Sun Oct 04, 2020 5:16 pm
Forum: Snow / Land
Topic: climate change / unpredictable weather/wind
Replies: 1840
Views: 56650

Re: climate change / unpredictable weather/wind

Homogenization pundits are often asked "Wouldn't it be more reliable to just throw away unreliable stations (and data), instead of adjusting them?" There is never a satisfactory answer to that question. But those pesky critics are not professional climate scientists, so how would they know?
by tegirinenashi
Fri Oct 02, 2020 11:08 pm
Forum: Hydrofoil
Topic: Slingshot Phantasm Carbon foil launch - 2020
Replies: 119
Views: 17904

Re: Slingshot Phantasm Carbon foil launch - 2020

Send it to ifixit guys to cut the mast to witness the internal ribs.

Seriously, what about the noodle mast buzz test -- I wonder why almost none of foil reviewers perform it.

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