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Aluminium grade ? |
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piglet 
Really should get out more 
Joined: 04 Jan 07 Online Status: Offline Posts: 514 |
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 Topic: Aluminium grade ?Posted: 21 Sep 18 at 10:34am |
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We did this for Laser top sections years ago. Managed to get some tube through Blackburn metals: 6082 T6 2"x14SWGx6.7m But it wasn't anodised and the 6.7m length didn't work out for the 3.7m top section. More hassle than it was worth. On the other hand I have found many practical applications for busted top sections, including a Miracle boom and squirrel proof dove cot posts.
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423zero
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Joined: 08 Jan 15 Location: United Kingdom Online Status: Offline Posts: 3419 |
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Posted: 19 Sep 18 at 8:22pm |
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Reccomended grades
Aluminium 5000 series alloys (5083, 5086)
Aluminium 6000 series alloys (6061T5/T6, 6082T5/T6) |
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Riv
Far too distracted from work 
Joined: 23 Nov 13 Location: South Devon Online Status: Offline Posts: 353 |
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Posted: 19 Sep 18 at 10:13am |
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Read this thread from sailing anarchy: http://forums.sailinganarchy.com/index.php?/topic/50081-laser-masts/
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Mistral Div II prototype board, Original Windsurfer, Hornet built'74.
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423zero
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Joined: 08 Jan 15 Location: United Kingdom Online Status: Offline Posts: 3419 |
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Posted: 18 Sep 18 at 9:50pm |
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I am attempting to set up a supply chain for Minisail owners, contact I have for Aluminium wanted to know what grade, he can get different grades, though he has just supplied what he had in stock and had no complaints.
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JimC
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Joined: 17 May 04 Location: United Kingdom Online Status: Offline Posts: 6660 |
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Posted: 18 Sep 18 at 8:57pm |
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I believe its specially heat treated, I'm not sure its a standard grade. I have used standard grade alloy for a boom when I was broke though, I used 4 inch and cut lots of holes in the less stressed areas for weight and it lasted for years.
The holes are mostly behind the sleeve for the mainsheet, but you get the idea... Edited by JimC - 18 Sep 18 at 9:04pm |
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423zero
Really should get out more
Joined: 08 Jan 15 Location: United Kingdom Online Status: Offline Posts: 3419 |
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Posted: 18 Sep 18 at 8:43pm |
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Does anyone know what grade of aluminium you need for masts/booms etc ?
Round type similar to Laser.
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