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PAIPO Foils.

Posted: Wed Jun 27, 2018 7:00 am
by SURFFOILS
So take the earliest of surfcraft and add the latest fad...
It combines the inherent stability of prone riding with the instant acceleration of foiling.
Maybe a ‘one piece’ design that’s roto molded like a Belly Bogger.

Re: PAIPO Foils.

Posted: Wed Jun 27, 2018 8:21 am
by bgreen
By way of explanation below is a bellybogger created by Dick Ash: http://mypaipoboards.org/interviews/Dic ... 9-09.shtml
BellyboggerA.JPG
BellyboggerB.JPG
BB_Photo3.jpg
BB_Photo3.jpg (46.32 KiB) Viewed 1987 times

Re: PAIPO Foils.

Posted: Wed Jun 27, 2018 6:46 pm
by SURFFOILS
6CFD779B-C36C-4C33-983A-E6C9136833AC.jpeg
CA10D0B9-4A33-4DBF-97E9-98B8FAE9EAE7.jpeg
That’s the one, I don’t know how many he made but they pop up now and then in garage sales. They seem to have been well used and abused as surfcraft.
My idea is to make a basic paipo with side supports holding a foil underneath.
Something like this where it’s a single wraparound frame.
But I’m not thinking about all glass as it would be too heavy.

Re: PAIPO Foils.

Posted: Wed Jun 27, 2018 11:45 pm
by SURFFOILS
14C9F6C0-837E-4727-904F-2BEAE2C21DB3.jpeg
382B487C-DEEE-484A-8E05-7DB6DDB59B9D.jpeg
And possibly reduce weight by cutting out most of the side panels leaving just a front and rear support on each side for the foil.

Re: PAIPO Foils.

Posted: Thu Jun 28, 2018 4:58 am
by bgreen
Thanks Brett.

I'm assuming the foil is at the rear.

Regarding producing them, have you ridden anything like this?

My mate was experimenting with HDPE, the stuff they make breadboards from.

Regards

Bob

Re: PAIPO Foils.

Posted: Thu Jun 28, 2018 11:23 am
by CHRISPI
So good to see you back Brett .I thinck the foil side struts don,t need to be so flat sided they need to be pinched , if i had the model in my hands i could show you

Re: PAIPO Foils.

Posted: Thu Jun 28, 2018 11:26 am
by CHRISPI
hollow rail

Re: PAIPO Foils.

Posted: Thu Jun 28, 2018 4:39 pm
by asier esnal
I have done a few hydrofoils, the last ones have flown well but I have no talent to handle them. my friends yes

for a bodyboard to fly, you need to have an airplane wing profile, this wing thanks to the speed generates lift.

I have seen this video very fun fly in a bodyboard, it has to be good for the days of strong wind

https://ricosurf.com.br/tv-ricosurf/bod ... rding-foil

Re: PAIPO Foils.

Posted: Fri Jun 29, 2018 2:59 am
by SURFFOILS
https://www.surfertoday.com/bodyboardin ... -a-reality

Same video. Interesting that members here made prone foils 14 years ago but Hipsters have just invented them. therefew guys riding boogie foils since the

Re: PAIPO Foils.

Posted: Fri Jun 29, 2018 5:41 am
by krusher74
Yeah, whats with a the hipster inventions of this have have already been invented.

Ive seen kickstarters for handboards like some just invented them!!!

Re: PAIPO Foils.

Posted: Fri Jun 29, 2018 6:44 am
by SURFFOILS
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.

Re: PAIPO Foils.

Posted: Fri Jun 29, 2018 11:12 am
by asier esnal
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

Re: PAIPO Foils.

Posted: Fri Jul 20, 2018 12:14 am
by SURFFOILS
7E5F897E-880B-4FE0-B851-036C90072F43.jpeg
7E5F897E-880B-4FE0-B851-036C90072F43.jpeg (23.43 KiB) Viewed 1562 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 ?

Re: PAIPO Foils.

Posted: Fri Jul 20, 2018 5:05 pm
by bgreen
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.

Re: PAIPO Foils.

Posted: Fri Jul 20, 2018 5:28 pm
by SURFFOILS
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.

Re: PAIPO Foils.

Posted: Fri Jul 20, 2018 6:31 pm
by bgreen
Don't put any weight on my opinion - it was my 2 bobs worth.

Re: PAIPO Foils.

Posted: Sat Jul 21, 2018 12:40 am
by SURFFOILS
makes sense tho.
Im thinking of putting an XPS foam skin on the hull for buoyancy.

Re: PAIPO Foils.

Posted: Sat Aug 04, 2018 5:35 am
by CHRISPI
Hi Bret
This is my version of your idea. It has Moto GP and F1 influences as well. Does it make sense?

Re: PAIPO Foils.

Posted: Sat Aug 04, 2018 6:23 am
by SURFFOILS
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.

Re: PAIPO Foils.

Posted: Sat Aug 04, 2018 6:36 am
by SURFFOILS
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.