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Forums > Windsurfing General

18cm weedy

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Created by keef > 9 months ago, 1 Apr 2013
keef
NSW, 2016 posts
1 Apr 2013 10:23PM
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keef said...


decided to do a post on HOW TOO make a weed speed fin 45+deg wide profile in the speed section until c3 posted there proto , very much similar to mine

so far to my knowledge the only fin like it is the MFC and there 55deg rake , just a bit to much for my liking
these wide, low profiled fins around 22cm or less will drive a 7.5mt sail in chop, and cut through weed like your grandfathers axe
the biggest problem with your normal weedy to drive a bigger sail through weed, it just doesn't do the job
ive almost got enough data down to show you how to make make your own , its been a slow process because i have had to make a fin from scratch only a week ago, it should be ready too box in a couple of days , then ill post the pic's
this is an excellent time of the year to knock up a project, we will have the westerly's here(illawarra) around june and you will need a shallow weedy

Mark _australia
WA, 23526 posts
1 Apr 2013 9:38PM
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The how to is....????

Gestalt
QLD, 14722 posts
2 Apr 2013 12:03AM
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are you using the same foils as c3?

keef
NSW, 2016 posts
2 Apr 2013 9:58AM
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Gestalt said...
are you using the same foils as c3?

the foil is a profile (or cord =22cm) I took from the MCF 17CM , then used a similar design as the c3 slingshot where its thicker at the base
the whole idea of showing you how to make a fin is to show the basics on how its done, from there on its up to you to modify it
the reason I decided to design this fin is, I had a MFC 15CM, to my liking It had to much rake and was too loose of the wind , so I lifted the angle to 50deg and to a 17cm
5deg and 2cm made all the difference but I wasn't getting enough lift, so I had a look at the c3 and they were thicker at the base for 25mm with a 5mm difference at the tip(MFC 1mm)

keef
NSW, 2016 posts
3 Apr 2013 12:15AM
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heres my second attempt at uploading from you tube, it loaded it twice for some reason
if you are setup for glassing this fin should cost about $20 in materials , taking into consideration 22gr uni carbon is $22mt, and you can get THE CRAW via wa to ship you some barrel nuts for $2 each
im up for some criticism in the and lay up of this fin, its not your normal procedure and I wouldn't have it any other way

keef
NSW, 2016 posts
10 Apr 2013 9:49PM
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again this post is in the speed section, not everyone goes in there, there's a few tips on how to use w fiber glassing wheel just in case you mite need to do a few repairs

Ian K
WA, 4164 posts
10 Apr 2013 8:53PM
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Those youtube videos are getting better Keef. Thought you were going to pull a Baker's dozen out of the oven. Like the music selection, or was that just a random band in the garage next door?

keef
NSW, 2016 posts
10 Apr 2013 11:27PM
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Ian K said...
Those youtube videos are getting better Keef. Thought you were going to pull a Baker's dozen out of the oven. Like the music selection, or was that just a random band in the garage next door?

lucky I don't have to share the kitchen or lucky its west system epoxy (no fumes) yep the editing is getting better, but I think ill have to add the music last , the were two tracks at the start, and the drummer was going to sleep at times



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"18cm weedy" started by keef