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Newbie Mast-Extension question

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Created by JCBoston > 9 months ago, 28 Aug 2020
JCBoston
55 posts
28 Aug 2020 7:43AM
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Hi all, I'm returning to windsurfing after a long absence and putting together my kit. Some general questions about masts and extensions in combination.
This is driven by a Sailworks NX 7.0. Luff is 459. Swks recommends a mast of 430, necessitating a tall 29+ cm extension. So I'm starting with a 430 mast and a 38 cm Chinook Tall RDM alloy extension.
The question: it possible to have too much extension inside a mast? For example, if I buy a second sail with 433 luff, am I ok to bury the full 38 cm Chinook in my 430 mast or should I be buying a second, short extension for that sail/mast combination?


Just trying to get my head around this stuff so I don't end up with 5 extensions and a much lighter wallet. Any advice is appreciated.

Ben1973
1007 posts
28 Aug 2020 7:47AM
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The extension would/should have enough going into the mast when set to full extension. I would think that the shorter the extension the better but my 7.8 says 430mast and a 30cm extension and so far so good

Imax1
QLD, 4925 posts
28 Aug 2020 9:49AM
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It fine and done all the time

forceten
1312 posts
28 Aug 2020 8:22AM
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The Chinook tall is fine for both proposals.

Discussion on extensions , that using the full length could result with a broken/ bent item.
valid concern, but done all the time , and the EXT is made to do just this.



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"Newbie Mast-Extension question" started by JCBoston