Stand Up Paddleboard infusion

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Stand Up Paddleboard infusion

Stand Up Paddleboard infusion

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andrew.spencer.2	andrew.spencer.2 posted 11 Years Ago HOT Topic Details
Group: Forum Members Posts: 5, Visits: 26	I was just having a gander at your charming resin infusion starter kit, and was wondering if it would fit my needs. I've only ever done wet hand layups in the past, so jumping straight into resin infusion vacuum bagging is a pretty big step for me. I watched the very helpful video tutorial on infusion which answered a lot of questions, but it's a little different from what I want to do, which is this: Coat a 3.5m Stand Up Paddleboard (SUP, think really big surfboard) in carbon fibre. It's a hollow wooden affair, entirely sealed in sanding sealer as to be non-porous. Firstly, is it even possible to coat an object on all sides with a vacuum infusion? Should I try to do the top and bottom separately, or can I do it all in one go? What sort of resin should I use? How would I place the infusion feed spiral? Sorry for the barrage of questions, if anybody has answers, I would really appreciate some guidance. Cheers! Andrew Tags carbon fiber infusion SUP Surfboard
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Warren (Staff)	Warren (Staff) posted 11 Years Ago HOT Post Details
Group: Administrators Posts: 2.5K, Visits: 8.5K	I do think you will struggle trying to pull a full vacuum on that. Even wetlay vacuum bagging would likely cause the sagging issue between ribs. You would need to do a wet lay up and just be very careful with your resin usage and consolidation. As said, peel ply can help soak up some excess resin. Warren Penalver Easy Composites / Carbon Mods - Technical Support Assistant
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andrew.spencer.2	andrew.spencer.2 posted 11 Years Ago HOT Post Details
Group: Forum Members Posts: 5, Visits: 26	Ok, now I'm confused. Perhaps I didn't explain fully that the previous picture was just to show what the board looks like structurally on the inside. I don't actually have a photo of what it looks like now, but here is a shot of it with the deck skin on. It basically looks like a giant solid wooden surfboard. What I had in mind was doing something like they've done in this video: https://www.youtube.com/watch?v=qBr5IzK4U8o But I can't quite tell because I don't speak French. Attachments 1167098_511761685442_132643753_o.jpg (966 views, 105.00 KB)
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ChrisR	ChrisR posted 11 Years Ago HOT Post Details
Group: Forum Members Posts: 363, Visits: 3K	They are infusing onto a solid foam core rather than a hollow wooden one, that's how they can do it andrew.spencer.2 (11/06/2014) Ok, now I'm confused. Perhaps I didn't explain fully that the previous picture was just to show what the board looks like structurally on the inside. I don't actually have a photo of what it looks like now, but here is a shot of it with the deck skin on. It basically looks like a giant solid wooden surfboard. What I had in mind was doing something like they've done in this video: https://www.youtube.com/watch?v=qBr5IzK4U8o But I can't quite tell because I don't speak French.
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andrew.spencer.2	andrew.spencer.2 posted 11 Years Ago HOT Post Details
Group: Forum Members Posts: 5, Visits: 26	Aha. Thank you all for your advice. it sounds like I had better stick to laying it up by hand without the vac then. What resin would you recommend in that case? Thinking of just a single layer of 200 gsm carbon all around, although I am tempted by the jute or flax maybe? Sorry to keep inflicting myself upon your wealth of knowledge like this...
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Stand Up Paddleboard infusion

andrew.spencer.2 - 11 Years Ago

Yes you could do both top and bottom at the same time but you mention it's hollow wood so infusing...

ChrisR - 11 Years Ago

Oh, I see. I definitely wouldn't want to fill the board with resin. Although, with the sanding...

andrew.spencer.2 - 11 Years Ago

Seeing the picture, if you were to wrap it and vac you would probably end up with an undulating...

ChrisR - 11 Years Ago

I do think you will struggle trying to pull a full vacuum on that. Even wetlay vacuum bagging would...

Warren (Staff) - 11 Years Ago

Ok, now I'm confused. Perhaps I didn't explain fully that the previous picture was just to show what...

andrew.spencer.2 - 11 Years Ago

They are infusing onto a solid foam core rather than a hollow wooden one, that's how they can do it...

ChrisR - 11 Years Ago

Aha. Thank you all for your advice. it sounds like I had better stick to laying it up by hand...

andrew.spencer.2 - 11 Years Ago

We know your board is actually closed. But the fact remains that it most likely won't survive the...

brainfart - 11 Years Ago

If you "just" want to skin the wooden construction in CF/flax/jute, then go for a single layer of...

Dravis - 11 Years Ago

Cheers for the tips Dravis, I'll be sure to let you know how it goes. When you say laminating resin,...

andrew.spencer.2 - 11 Years Ago

I would be recommending epoxy. Polyester and Vinylester would need a wax additive to cure solid...

Warren (Staff) - 11 Years Ago

I would definitely go for Epoxy resins, for this sort of job... (not just because I hate the stink...

Dravis - 11 Years Ago

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