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by RichR2
Fri Aug 07, 2020 8:58 am
Forum: Gear Builders
Topic: Hydrofoil Wing Build
Replies: 12
Views: 1819

Re: Hydrofoil Wing Build

Cathedral !!!! Dont you just hate predictive text... Anhedral
by RichR2
Fri Aug 07, 2020 8:56 am
Forum: Gear Builders
Topic: Hydrofoil Wing Build
Replies: 12
Views: 1819

Re: Hydrofoil Wing Build

I wanted the wing to have more area than my Shinn K2 wing but not as much as the 633/Apollo style wings so I aimed for 1000cm2. I also didnt want it as low aspect as the 633/Apollo style. So that was the thinking behind the plan shape although the outline was what looked good to me...so part logic, ...
by RichR2
Tue Aug 04, 2020 9:49 pm
Forum: Gear Builders
Topic: Hydrofoil Wing Build
Replies: 12
Views: 1819

Re: Hydrofoil Wing Build

You can change other things but I only changed chord and thickness
by RichR2
Tue Aug 04, 2020 8:16 am
Forum: Gear Builders
Topic: Hydrofoil Wing Build
Replies: 12
Views: 1819

Re: Hydrofoil Wing Build

Sorry, but there is no file to share. The wing was designed with pencil and paper and each of the aerofoil shapes was plotted according to the chord length and desired thickness at each part of the wing using an online plotter (http://airfoiltools.com/airfoil/details?airfoi). Its very easy to use an...
by RichR2
Mon Aug 03, 2020 7:38 pm
Forum: Gear Builders
Topic: Hydrofoil Wing Build
Replies: 12
Views: 1819

Re: Hydrofoil Wing Build

Yes, I tested it before i did the final finishing coats and was very pleased with it. I wanted a wing to complement my Shinn K2 (which I think is a fantastic) so I went for a bit more area but without going full on down the low aspect route like the 633's. It flies at a very low speed and doesn't ge...
by RichR2
Mon Aug 03, 2020 5:11 pm
Forum: Gear Builders
Topic: Hydrofoil Wing Build
Replies: 12
Views: 1819

Hydrofoil Wing Build

Just completed my first hydrofoil wing and very pleased with the outcome. Not having access to CNC I came up with a way of shaping the wing accurately which others might find helpful. After drawing out the plan shape of the wing I divided it into 3cm strips leading edge to trailing edge. Using the c...
by RichR2
Sun Jun 21, 2020 7:03 pm
Forum: Gear Builders
Topic: Hot coat hints and tips
Replies: 11
Views: 1094

Re: Hot coat hints and tips

It's more involved than that. My entire process: Clean shop, vacuum up everything. Preferably a day before. I vacuum off the board last on that clean up day. Don't turn on your vacuum cleaner the day you do the coat. Keep air still. I put on vinyl gloves. Wipe off board with tack rag, wipe off boar...
by RichR2
Mon Jun 01, 2020 8:04 am
Forum: Hydrofoil
Topic: Unhooked foiling
Replies: 33
Views: 2177

Re: Unhooked foiling

by RichR2
Fri May 29, 2020 7:38 pm
Forum: Gear Builders
Topic: Hot coat hints and tips
Replies: 11
Views: 1094

Re: Hot coat hints and tips

I've just got some, so will give it a go on the next build. How do you de-gas it Tom?
by RichR2
Thu May 28, 2020 4:19 pm
Forum: Gear Builders
Topic: Hot coat hints and tips
Replies: 11
Views: 1094

Hot coat hints and tips

For years I've used SP115 resin for builds but it is a bit pricey so switched to easy composites EL2. It's fine for laminating but has been a PITA for hot coats. With SP115 I just brushed the board off and perfect finish every time, yet with EL2 it's as if I have a patches wax resist on the board. I...

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