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Re: Am I asking for too much?

I ride 4GF and G-Mat surf mats in conditions from tiny to OH+. There are fatter mats available for small conditions but I find that technique on an all around mat can do the job in small junky conditions.. Less air (I mean barely any) makes catching waves easier (reverse rocker suction effect) and t...
by PhillyViking
Sat Oct 27, 2018 2:36 pm
 
Forum: Paipo Board Design & Building
Topic: Am I asking for too much?
Replies: 13
Views: 463

Re: Plywood and cork

As I said my board with a cork board core (not just skin got heavy). I circled back to what should have been my first step .. what are the relative densities of materials?: Cork 200 kg/m3 for NL-20 http://www.corecomposites.com/products/core-materials/corecork.html Paulownia 280 kg/m3 https://www.wo...
by PhillyViking
Mon Sep 24, 2018 3:56 pm
 
Forum: Paipo Board Design & Building
Topic: Plywood and cork
Replies: 12
Views: 620

Re: Plywood and cork

I guess I could think of this as fairing as in wood boat making .. smooth and seal.
by PhillyViking
Tue Aug 28, 2018 3:14 pm
 
Forum: Paipo Board Design & Building
Topic: Plywood and cork
Replies: 12
Views: 620

Re: Plywood and cork

I have been in slow-mo on a cork core project with each step weeks and even months apart. I will give a full report when I actually finish sometime in this decade. I was initially going to use titebond III to adhere cork to paulownia ply but the titebond manufacturer I called raised concerns. I turn...
by PhillyViking
Mon Aug 27, 2018 9:12 pm
 
Forum: Paipo Board Design & Building
Topic: Plywood and cork
Replies: 12
Views: 620

Re: Top vs Bottom Layers of Composite

Asier, I like that you achieved the right amount of flex while retaining sufficient strength with your layers. Looks like your board would travel well. My board will travel to Costa Rica and Hawaii. I assume your examples use epoxy? Your experience is helpful. Some say that if you vacuum epoxy into ...
by PhillyViking
Fri Apr 27, 2018 8:18 am
 
Forum: Paipo Board Design & Building
Topic: Top vs Bottom Layers of Composite
Replies: 9
Views: 992

Top vs Bottom Layers of Composite

I am finally getting around to making a Paipo. I found this link while thinking about what layers to put on the top vs the bottom of the board. http://www.bertram31.com/proj/tips/core.htm According to that article tension strength is set mostly on the bottom skin. The top needs proportionally less s...
by PhillyViking
Thu Apr 26, 2018 5:50 pm
 
Forum: Paipo Board Design & Building
Topic: Top vs Bottom Layers of Composite
Replies: 9
Views: 992

Re: Bodypo New Blank

How did this work out for you? I looked at californiasurfcraft.com/products/bodypo. I like the idea of something that duck dives easily, has more float than wood and at the same time has flex that might give some mat like feel. Can it do a big bottom turn with acceleration when needed?
by PhillyViking
Wed Sep 23, 2015 4:12 pm
 
Forum: Paipo Board Design & Building
Topic: Bodypo New Blank
Replies: 9
Views: 2153

Re: Fin Advice

Is that for Jacksonville or Costa Rica?

For plywood paipo, also consider wakeboard fins. Some are like small surfboard fins and attach via metal bolt the could be counter sunk on the top.
by PhillyViking
Sat May 30, 2015 4:10 pm
 
Forum: Paipo Board Design & Building
Topic: Fin Advice
Replies: 27
Views: 11009

Re: Finned Xylem Paipo

Thanks for the great comments. I will definitely reset the toe in on the Xylem sides to parallel. I did try some asymetrical-foiled sides one day without benefit but the varied conditions make it hard to conclude. It will also be interesting to go back to finless or just minimal fin using just a nub...
by PhillyViking
Tue Apr 14, 2015 10:57 pm
 
Forum: Paipo Board Design & Building
Topic: Finned Xylem Paipo
Replies: 15
Views: 8465

Re: Finned Xylem Paipo

Correct that riding flat nose rocker constrains big bottom turns on toothy waves requiring earlier turns,, angled take offs, or riding back further. However, I only ride way back in situations where I am committed and all the nose rocker in the world would not help.. That's rare. I make a point of s...
by PhillyViking
Tue Mar 31, 2015 9:06 am
 
Forum: Paipo Board Design & Building
Topic: Finned Xylem Paipo
Replies: 15
Views: 8465
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