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by tahoedirk
Sun Feb 04, 2018 6:24 pm
Forum: Gear Builders
Topic: More wings, the hard way?
Replies: 57
Views: 18088

More wings, the hard way?

I decided to try some medium sized all around kiting wings, maybe windsurfing too! These are about 580 an 680 cm2. I tried something new with the formica templates, just one positive piece instead of top and bottom negative templates. It worked well enough and saved some time for sure. I'm still jus...
by tahoedirk
Tue Jan 23, 2018 6:29 pm
Forum: Gear Builders
Topic: fuselage fabrication
Replies: 36
Views: 12066

Re: fuselage fabrication

1516728145675.jpg
Here is a slightly complicated mold that is still quite versatile.
20180123_091759.jpg
My new xl fuse is still a little rough
Yes, now we're talking. You show me yours and I'll show you mine!
by tahoedirk
Tue Jan 23, 2018 6:14 pm
Forum: Hydrofoil
Topic: Another DIY foil
Replies: 64
Views: 15999

Re: Another DIY foil

Kosta, thank you for sharing your observations of wing specifics. I have been waiting a long time to hear such relevant notes on observed foil designs(pg 3) from someone other than myself on this forum. The subtleties of what makes a hydrofoil behave nicely are very elusive indeed. I feel profiles a...
by tahoedirk
Mon Dec 04, 2017 5:32 pm
Forum: Hydrofoil
Topic: Hydrofoil lift in different water temperature /salinity
Replies: 17
Views: 2373

Re: Hydrofoil lift in different water temperature /salinity

The answer to the first post is YES.

Huge difference !

Salt , debris, sediment ,temperature, and who knows what else, make an obvious difference in foil performance.
by tahoedirk
Thu Nov 30, 2017 8:18 pm
Forum: Gear Builders
Topic: Effect of Different Epoxies
Replies: 22
Views: 18090

Re: Effect of Different Epoxies

I think epoxy stiffness matters and varies greatly. Brittle, stiff and breakable or pliable and rubbery...hmmm I have built entire foils out of RR, US composites and West. Foil profiles and subtle geometry differences seem to matter more than strut and wing stiffness. There is a brand from Soller co...
by tahoedirk
Tue Oct 10, 2017 4:55 pm
Forum: Gear Builders
Topic: Big wings
Replies: 20
Views: 6053

Re: Big wings

I decided to use my foam models instead of fiddling with my molds for another week 20171009_161122.jpg I discovered masking tape for handling this 20oz cloth on a bias (45°). 20171009_162843.jpg It is difficult to wrap the leading edge especially with 20oz. I used transfer tape on Kevlar on a bias t...
by tahoedirk
Fri Oct 06, 2017 12:22 am
Forum: Gear Builders
Topic: Big wings
Replies: 20
Views: 6053

Re: Big wings

Ha! I didn't really hypothesize it, I sanded and filled my wing for hours last year. Spotz 2 front wing is that way. The moses rear stab I liked seemed to have a very different profile root to tip. E212 came to me through browsing the comparison tool on airfoiltools.com I don't read all the scientif...
by tahoedirk
Thu Oct 05, 2017 5:53 pm
Forum: Gear Builders
Topic: Big wings
Replies: 20
Views: 6053

Re: Big wings

BWD, All great insightful questions. Yes 5amp 12 v power supply with LED dimmer. I use .020 fishing leader most of the time. It fries anytime I am not careful with the temp. I almost have a heart attack each time! This is more finicky than my old 24v transformer, but it is what I had on hand when th...
by tahoedirk
Wed Oct 04, 2017 7:19 pm
Forum: Gear Builders
Topic: Big wings
Replies: 20
Views: 6053

Big wings

With all the SUP , surfing and pumping hype, I decided to mix it up and make some different sized wings. Who knows where this may lead, a new sport maybe?? I think it would be fun to bungee or pulley launch onto a foil and pump around until I am gasping for oxygen There are a few tips to be seen lyi...
by tahoedirk
Fri Sep 08, 2017 6:53 pm
Forum: Gear Builders
Topic: Sneak peek new Kook 2 piece foil
Replies: 39
Views: 11283

Re: Sneak peek new Kook 2 piece foil

Thamks for the interest Mossy, I started windsurfing again with my kids. Windsurfing is a lot of work but if my 10 and 12 year old kids can do it so can I ..... I made a fuselage with mounting holes all over for quick fuselage length change and mast locations, After testing 15- 20 or so variations o...

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