DIY Speedboard info

.... for geezers who like to go way too fast!
davo
Team/Shop Rider
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Location: Cleethorpes

Fri Oct 22, 2010 12:12 am

carlos_c wrote:Nah - I'll order up some marine ply and get the jig saw out
I tried that once and it only lasted a couple of runs before snapping in half ans sinking with out trace with new pads straps and fins.

Cost quite a bit in the and :twisted:
carlos_c
Posts: 1483
Joined: Fri Oct 29, 2004 10:27 pm
Location: Crystal Palace

Fri Oct 22, 2010 11:27 am

I've built a few ply boards in the past - a layer of glass normally stops the breaking - and doesn't add that much to the weight
Tone
Posts: 1996
Joined: Wed Nov 03, 2004 3:09 pm

Fri Oct 22, 2010 12:37 pm

seems weight isn't all that important on a speed board, well light weight isn't

the boards need to stay on the water!
cactus
Posts: 71
Joined: Sat Jan 26, 2008 10:52 am

Sun Oct 31, 2010 6:59 pm

These are the last two boards I have made (RFD Speedfreek m2). I have tried a new process with abs rails.
The shape is from the same template as the last one but I decided to take the point off the front for safety reasons.
I have also built in progressive flex keeping it stiff up front but with a bit of flex at the tail end.
The vac bagging is getting easier, with boards coming out cleaner each time.
Will do a photo diary of the board I'm making Gazza as a prize for winning the novice title at Weymouth speed week.
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chipmunk
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Tue Nov 02, 2010 9:42 pm

Hi Richard
Looking good :-D
Are you using resin infusion moulding ?
cactus
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Wed Nov 03, 2010 1:12 pm

Hello Mike,
No, no moulding yet, still experimenting with the shape. All layed up and shaped by hand, then vac bagged.
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chipmunk
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Wed Nov 03, 2010 9:30 pm

Hi Richard

Resin infusion is a Tec for drawing the resin through your work using min resin and maximizing a finish. you will need to sand the rails back
Ring me if you need some help with it .
Just started to get the bit’s and bob’s sorted out for this winter.
May need some ABS for the rail if you can help out on that one or co order some materials
There may even be potential to sell a board kit to guy’s who would like to make their own over the winter

This is definitely the next level in the DIY kite board making

I have had some experience with this as the guy’s who made my speed windsurfing boards used vacuum bagging some 20 years ago it was a very innovating time, to my knowledge COBRA was the only major manufacture to use this Tec, but it is standard on all good windsurfing boards now with a mix of wood’s ,Nomex Honeycomb, Divinycell, Carbon, Kevlar, Uni - directional


Think its a good idea to do a photo story on this next level
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chipmunk
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Wed Nov 03, 2010 9:31 pm

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Infusion moulding a kite-board
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Vacuum Bagging Techniques
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cactus
Posts: 71
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Wed Nov 03, 2010 11:38 pm

Cheers for that Mike, that's very interesting. A mate, who showed me how to make kiteboards, told me about this. I did not know it was called infusion moulding.
You have to get your quantities spot on though.
I will post a photo diary of the process I use for Garry's board, let me know what you think.
I would be happy to share some ABS with you; I had to by a big sheet. It is not easy to work with as it is impossible to cut or sand because the heat caused by the friction, makes it go soft and sticky. It takes most of the time.
The DIY kit sounds like a good idea.
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chipmunk
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Mon Apr 16, 2012 2:35 pm

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more speed kit from 2011
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chipmunk
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Sat Jun 30, 2012 8:32 pm

http://www.kiteforum.com/viewtopic.php?f=1&t=2376375" onclick="window.open(this.href);return false;
interesting idea for a race board

It’s going to be an interesting time with the Olympics in 2016 hopefully the major manufactures will make a cheap introductory board and not go the way the windsurfing industry went


The kite / windsurfing industries need to have more innovative people like the web site with the internet we only have to post an idea and someone may be able to help there are a lot of people out there who have fantastic ideas and should be encouraged

Its a shame the lost generation think x box is reality :roll:
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chipmunk
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Mon Aug 06, 2012 8:15 pm

One mashed up windsurfing board. but it could be a kite raceboard

Asked to repair this windsurfing board unfortunately someone had tried to repair it with polyester car body filler and no fibreglass you can see what happens when you do so a total nose rebuild using the right materials as the board is in good condition and with some TLC would be a good board again
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Removed the old damaged polystyrene foam from the bottom and replaced
reshaped and covered with 3mm hi density foam sanded back for a good key then covered with fibreglass using epoxy resin flatted off and prepared for painting
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Next the deck to sort out then graphics to spray back
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The guy who owns it had just bought it as damaged he was lucky

Don’t bodge your boards or you can kill it never ever use polyester on polystyrene foam :shock:
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chipmunk
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Tue Aug 07, 2012 4:11 pm

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:wink:
Si-Fly
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Joined: Sun Jan 21, 2007 12:29 pm

Sat Aug 18, 2012 9:48 am

Great info guys!

Inspired by your posts I had a hunt in the garden for an old ply board the kids use, Used ;-) , as a sledge.

It was a light wind ply foam sandwhich I made years ago as a first attempt at homemade!

Out with the jigsaw :-)
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Think it might have too much rocker, but it is quite stiff, so might work! Just need to sand edges, paint over the mould, and give it a try!.... if it works will then glass edges etc.

cheers si.
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chipmunk
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Mon Aug 20, 2012 5:14 pm

Nice one Si - have fun :wink:
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