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by plummet
Thu Jun 14, 2018 7:00 pm
Forum: Hydrofoil
Topic: Corrosion on Aluminium parts (Moses fuselage)
Replies: 30
Views: 15388

Re: Corrosion on Aluminium parts (Moses fuselage)

Side note. To break the galvanic cell between alloy and carbon you can space the 2 materials apart with something inert like a thin plastic. It still wont fix a faulty product! and the pitting corrosion extends past the point of a dissimilar metal reaction and into the a break down of the passive oi...
by plummet
Thu Jun 14, 2018 6:52 pm
Forum: Hydrofoil
Topic: Corrosion on Aluminium parts (Moses fuselage)
Replies: 30
Views: 15388

Re: Corrosion on Aluminium parts (Moses fuselage)

Excellent, plummet. I studied electro chemistry and know a bit about electrochemical cells :wink: The corrosion will always happen as soon as you bring Aluminium and carbon into electrically conductive contact and add an electrolyte (sea water). No crevice is neededf or this. However, a crevice - w...
by plummet
Thu Jun 14, 2018 9:15 am
Forum: Hydrofoil
Topic: Corrosion on Aluminium parts (Moses fuselage)
Replies: 30
Views: 15388

Re: Corrosion on Aluminium parts (Moses fuselage)

Hi all, after having ridden my Moses foil in North Sea water for less than 3 hours during its first use I´ve been irritated to see clear signs of corrosion on the fuselage. The shiny black (anodized) surface was covered with numerous elevated white spots of Al2O3 (alumina). These corrosion spots we...
by plummet
Wed Jun 13, 2018 7:54 am
Forum: Hydrofoil Builders
Topic: Best way to make a prototype
Replies: 20
Views: 10757

Re: Best way to make a prototype

Plummet, I have now built a few foils, starting with crapola and now having a couple pretty nice setups. I found your explanation and lessons learned quite accurate and also validated a few things i have been trying(one being multiple holes for stab placement and size relation to that placement). T...
by plummet
Sun Jun 10, 2018 4:53 am
Forum: Hydrofoil
Topic: How to crash advice
Replies: 10
Views: 6849

Re: How to crash advice

It's hard to explain. When i started foiling the board would hunt me down and smack into me. Now, whenever I crash it doesn't. I think I have learned to master the art of a toe flick and dive as I exit the foil. Sends the foil in one direction while i go in the other. I really don't know how to expl...
by plummet
Thu Jun 07, 2018 6:33 pm
Forum: Hydrofoil
Topic: Why not more canards ?
Replies: 37
Views: 12315

Re: Why not more canards ?

Did I ride a standard spitfire maybe 6 months ago? Took me 10-15mins to re-train myself to be able to ride it. It was a very responsive and lively foil. I can see why it would be fun in small waves. I found it slower, less stable and worse upwind that my foil. Ultimately I preferred my foil over the...
by plummet
Tue Jun 05, 2018 7:20 pm
Forum: Kitesurfing
Topic: Ocean Rodeo Mako vs Nomad Wave TT
Replies: 22
Views: 8326

Re: Ocean Rodeo Mako vs Nomad Wave TT

Awesome. I've been drooling over nomad boards for years. I've never seen one in the flesh, But their construction techniques and design are one of the best out there.

I'll never own a nomad board as I make my own boards. But the boards I make have some inspiration from nomad.
by plummet
Sat Jun 02, 2018 9:44 pm
Forum: Kitesurfing
Topic: Sad news
Replies: 5
Views: 4771

Re: Sad news

Sad news indeed. It sounds more like a heart attack situation or a really back luck crash knocking himself out(which seems unlikely on a light wind day wearing a helmet and an impact vest.
by plummet
Sat Jun 02, 2018 9:39 pm
Forum: Hydrofoil Builders
Topic: Best way to make a prototype
Replies: 20
Views: 10757

Re: Best way to make a prototype

If you are riding your own homebuilt hydrofoil you are probably an expert! size related to F wing isn't as important as aoa or the stab itself This is truly a refined craft Just a few thoughts. In the learning stage if you are lucky enough to have a confirmed KBHF pilot who can test your DIY and te...
by plummet
Thu May 31, 2018 1:19 pm
Forum: Hydrofoil Builders
Topic: One Stop fill coat for wings and masts
Replies: 3
Views: 1305

Re: One Stop fill coat for wings and masts

8 to 10 layers of fiberglass on one side and none on the other? Have you tried putting 4 to 5 on each side and comparing the results? You seem to like to make different things and compare them. I highly recommend you experiment with other layups. The physics tells us that a strong skin on each side...

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