PAIPO Foils.

What works and what doesn't. Share design ideas, references and contacts for paipo board builders.

Re: PAIPO Foils.

Unread postby SURFFOILS » Fri Jun 29, 2018 6:44 am

I suppose it’s the way the world works, someone works for decades to produce a personal achievement.
And Years later a corporation comes along and exploits the same as their own invention and the world believes it’s true.
But it’s like they don’t have Google on their computer ? If you make a claim at least Google it, but honesty isn’t important.
Just wave a flag of excitement to attract the hordes with money.
What a wonderful world.
Gilbert Lum would be amazed how popular surf foils are, but not so much at the many fathers it seems to have.
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Re: PAIPO Foils.

Unread postby asier esnal » Fri Jun 29, 2018 11:12 am

For me, this is the best hydrofoil I have seen in time, patented in 2004, the design and detail of its construction is impressive. A great job and reference if you want to make a good foil

http://mypaipoboards.org/hydrofoil/paip ... foil.shtml
http://mypaipoboards.org/patents/US7144 ... _paipo.pdf
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Re: PAIPO Foils.

Unread postby SURFFOILS » Fri Jul 20, 2018 12:14 am

7E5F897E-880B-4FE0-B851-036C90072F43.jpeg
7E5F897E-880B-4FE0-B851-036C90072F43.jpeg (23.43 KiB) Viewed 267 times


Paiops are better suited to foiling than their floppy cousins the boogie board. And I’ve always been inspired by Gilbert Lum who built his own simple foil. If something that simple works, what’s with all the hi tech carry on ?

So here’s a simple foil kit. Its from a single piece of ply.

63F5F7CA-BDC7-4E93-81BF-377E93927F53.jpeg


A The Paipo, a unique X shape that fits the 4 limbs of the rider.
B The struts connecting paipo to foil, Ive curved both ends in to avoid catching kelp or slow board riders. And the long section will sit under the paipo hull to support the elevated riders weight.
C The foil. Why these new foil makers who have to make every foil look like a plane wing, they just don’t understand how a wave works. A simple bullet shape is more pitch stable and safer without the wide slicing wings.
The only question is should I glass or otherwise attach the pieces so I can swap foils ?
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Re: PAIPO Foils.

Unread postby bgreen » Fri Jul 20, 2018 5:05 pm

G'day Brett,

From a pragmatic point of view I'd say add on. Given the cost of a board and uncertainty about whether Id like the experience or it suits conditions, I'd go removable. Unless there is another plan up your sleeve about board type. Gilbert Lum's board looks pretty unique.
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Re: PAIPO Foils.

Unread postby SURFFOILS » Fri Jul 20, 2018 5:28 pm

Hi Bob, I posted Gilbert’s Foil board in contrast to Terry Hendricks technical version. Both able to do the same thing, but I’d always favour the simpler one. My idea is to show just how simple foil design can be with ply and a few bits to screw on.
I’ll go with the Add-On version.
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Re: PAIPO Foils.

Unread postby bgreen » Fri Jul 20, 2018 6:31 pm

Don't put any weight on my opinion - it was my 2 bobs worth.
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Re: PAIPO Foils.

Unread postby SURFFOILS » Sat Jul 21, 2018 12:40 am

makes sense tho.
Im thinking of putting an XPS foam skin on the hull for buoyancy.
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Re: PAIPO Foils.

Unread postby CHRISPI » Sat Aug 04, 2018 5:35 am

Hi Bret
This is my version of your idea. It has Moto GP and F1 influences as well. Does it make sense?
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Re: PAIPO Foils.

Unread postby SURFFOILS » Sat Aug 04, 2018 6:23 am

Hi Chrispi, you don’t need to ask me for advice, Im sure you have enough experience with foils. Probabaly more than me.
I like the minimalist monocoque approach, surfing foils don’t need to be the complex multi wings on a fuselage like they are now, just good design, something simpler like yours is the future of foil design.
Just needs a bit of testing and tweaking to see how it goes.
Last edited by SURFFOILS on Sat Aug 04, 2018 6:38 am, edited 2 times in total.
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Re: PAIPO Foils.

Unread postby SURFFOILS » Sat Aug 04, 2018 6:36 am

70576A2B-ADEB-47D6-B9BF-B0D8FCF3E88F.jpeg


People often mistake good design for aesthetics but I instantly see that you know that when the craft is sitting in the water the side supports of the foil engage a wide base area for forward drive but as it rises from the yellow to orange to red waterline the side supports taper and have less area. At higher speeds you need less interference and I see you’ve tapered the supports fore and aft to keep the lift of the foil in a central position.
I get it.
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