Mossy 757 wrote: ↑Fri Dec 28, 2018 5:33 pmI have a full-carbon Delta hydrofoil that ALWAYS lands foil-down...I wouldn't say the floating on its side thing is a carbon foil issue, it sounds to me more like a "carbon over foam/wood core" issue. Also, the Delta is insanely light, so it's not even a weight thing, I think it's a buoyancy of the foil thing and since carbon isn't buoyant (but wood/foam cores are) again I'd just think carefully before buying a setup made with cost-cutting materials.
I'm not saying it's impossible to make a durable foil with a foam or wood core, just that if your foil is all carbon it doesn't matter what it weighs...buoyancy isn't directly related to weigh 1:1. Carbon fiber doesn't float, so if your foil is all carbon fiber, it could way 1 ounce and it'd still sit foil-down in the water.Peter_Frank wrote: ↑Fri Dec 28, 2018 5:58 pmMossy 757 wrote: ↑Fri Dec 28, 2018 5:33 pmI have a full-carbon Delta hydrofoil that ALWAYS lands foil-down...I wouldn't say the floating on its side thing is a carbon foil issue, it sounds to me more like a "carbon over foam/wood core" issue. Also, the Delta is insanely light, so it's not even a weight thing, I think it's a buoyancy of the foil thing and since carbon isn't buoyant (but wood/foam cores are) again I'd just think carefully before buying a setup made with cost-cutting materials.
Hi Mossy, yes your deduction is immediately correct, but it is not.
I assume you havent got any of the 1000-1500 cm2 Surf wings right?
These DO have that much more buoyancy, without being soft or fragile, so because these are maybe the most used by non-racers now, this is a new thing not really apparent before.
Small board low volume, and huge surf wings - makes the hydrofoils sit on the side quite often now, compared to earlier.
I havent seen being impossible to retrieve my boards yes, but definitely a lot harder.
As I havent experienced NOT being able to retrieve my boards, I still love the stiff and lightweight foils we got today.
But yes, maybe if there IS a way to avoid this, it could be interesting?
Peter
TARTAX wrote: ↑Tue Sep 25, 2018 10:17 pmi had the same problem with moses onda 633.
but only with low volume and heavyboards with a skimboard like construction.with this kind of boards the rail gets deep in the water ,the foil works like a dagger,the board like a sail and it starts to go away.
with strong wind it goes fast...
but now with a very light board,carbon construction less than 2 kilos the rail doesn't sink so much: so the wind hitting the board makes the board to rotate downwind and doesn't go away anymore.
so my conclusion is that with floating foils the boards with an heavy and no volume construction gives this problem
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