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by phuqit
Sun Oct 07, 2018 12:40 am
Forum: Gear Builders
Topic: Torsional flex - now a good thing :-)
Replies: 13
Views: 1750

Re: Torsional flex - now a good thing :-)

They put unidirectional carbon and forgot to put the biax?
by phuqit
Sat Oct 06, 2018 9:06 pm
Forum: Gear Builders
Topic: ABS PVC rails
Replies: 3
Views: 678

Re: ABS PVC rails

I've had pretty good results with vacuum resin infusion and a simple fiberglass rope around the perimeter - it's pretty tough and you can infuse it in one go. Your mileage may vary though :)
by phuqit
Thu Sep 13, 2018 8:53 pm
Forum: Gear Builders
Topic: Kid's board (30-40kg)
Replies: 21
Views: 4717

Re: Kid's board (30-40kg)

Awesome work Rynhardt!
by phuqit
Fri Sep 07, 2018 11:21 pm
Forum: Gear Builders
Topic: Lightwind kiteboard build, planing ahead
Replies: 37
Views: 9217

Re: Lightwind kiteboard build, planing ahead

I think we're overthinking this. Pretty much any nut with at least 1mm of flange won't be pulled out from epoxy I sink it in, the only problem I see is bolt might get through the board, but it's easy to measure and safeguard against.
by phuqit
Mon Sep 03, 2018 5:08 pm
Forum: Gear Builders
Topic: How to build a bar? Just the rod/pole item ~60cm. Anyone done it?
Replies: 202
Views: 34288

Re: How to build a bar? Just the rod/pole item ~60cm. Anyone done it?

How about using this one:
https://www.velasailingsupply.com/spinl ... line-lead/

I got a 21-19 carbon tube, so just add couple of mm of carbon reinforcement in the middle, and screw this on?
by phuqit
Mon Sep 03, 2018 9:40 am
Forum: Gear Builders
Topic: Lightwind kiteboard build, planing ahead
Replies: 37
Views: 9217

Re: Lightwind kiteboard build, planing ahead

Sure, lengths need to measured carefully, but it's not exactly rocket science. I wouldn't do this on production boards for sure, but for test samples, this works just fine.
by phuqit
Mon Sep 03, 2018 9:07 am
Forum: Gear Builders
Topic: Lightwind kiteboard build, planing ahead
Replies: 37
Views: 9217

Re: Lightwind kiteboard build, planing ahead

I got a few sets of those, which are SS316: http://www.junksupply.com/product/m6-snb-or-kite-insert-new/ But flanged nuts on both boards are holding just fine, and it's unlikely they'd get pulled any time soon, when properly seated in epoxy: https://www.aliexpress.com/item/Flange-nut-100PCS-M3-M4-M5...
by phuqit
Wed Aug 29, 2018 3:28 pm
Forum: Gear Builders
Topic: Pauwlonia vs. Western Red Cedar (for a TwinTip core)
Replies: 7
Views: 979

Re: Pauwlonia vs. Western Red Cedar (for a TwinTip core)

You can check my thread, I faced similar challenges. If you're building a twintip though, I highly recommend using Airex C70-90 foam instead - it's much lighter (core weight difference was 400g vs 2kg WRC!), and easier to work with: 170x50cm board with WRC: http://www.kiteforum.com/viewtopic.php?f=1...
by phuqit
Tue Aug 14, 2018 9:43 pm
Forum: Gear Builders
Topic: Airex/carbon kiteboard build
Replies: 13
Views: 2018

Re: Airex/carbon kiteboard build

Warren @ easycomposites says the following regarding dry spots on the bottom: >Yes I suspect you are right that leaving the pump running caused the dry spots. Even with a resin break it can still dry out. When we infuse, we always ensure we have a leak tight bag as after the infusion, we turn off th...
by phuqit
Tue Aug 14, 2018 5:03 pm
Forum: Gear Builders
Topic: Airex/carbon kiteboard build
Replies: 13
Views: 2018

Re: Airex/carbon kiteboard build

re bubbles: I'm more or less convinced, that the dry spots were caused by me leaving the pump on for long time after injection - it simply sucked out some more resin than was required.
re soric: this actually looks like a good idea. I might buy some and try it out.

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