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#59101 - 10/14/05 04:07 PM Help with beams...  
Joined: Jun 2001
Posts: 1,911
arbo06 Offline
Pooh-Bah
arbo06  Offline
Pooh-Bah

Joined: Jun 2001
Posts: 1,911
South Florida & the Keys
Can anyone give me the name and or number of a company that can provide me with aluminum tubing / pipe suitable for beams?

Thanx in advance....

Eric
Jolly Roger


Eric Arbogast
ARC 2101
Miami Yacht Club
-- Have You Seen This? --
#59102 - 09/29/06 03:48 PM Re: Help with beams... [Re: arbo06]  
Joined: Jun 2005
Posts: 122
Jimbo Offline
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Jimbo  Offline
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Joined: Jun 2005
Posts: 122
Eric,
Why not make some beams from carbon/epoxy? It's not that difficult anymore with the availability of 12K biaxial carbon sleeve. If you only need round beams a piece of pipe will work as a mold. For teardrop beams a mold could be laid up on an existing beam. Either way, the layup and curing are not beyond the abilities of a reasonably competent amateur, provided you get some guidance from someone who has already done it. PM me and maybe we can get something going.

And I apologize if this topic and my reply has long since lost all relevance <img src="http://www.catsailor.com/forums/images/graemlins/tongue.gif" alt="" />

#59103 - 10/09/06 08:26 AM Re: Help with beams... [Re: Jimbo]  
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MauganN20 Offline
Carpal Tunnel
MauganN20  Offline
Carpal Tunnel

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Most carbon beams I've seen have "bulkheads" running the length of the beam. It would be hard to put these into a beam that was molded on a PVC pipe. I think the best thing to do would be mold two halves, and bond them together with the length-wise cross section in between.

#59104 - 10/09/06 04:04 PM Re: Help with beams... [Re: MauganN20]  
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Posts: 122
Jimbo Offline
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Jimbo  Offline
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You have to think inside-out. Bulkheads are no problem, if you want bulkheads. A male mold or mandrel won't accomodate bulkheads as you've pointed out, but I never mentioned anything about a male mold or mandrel.

Jimbo

#59105 - 10/10/06 09:23 AM Re: Help with beams... [Re: Jimbo]  
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MauganN20 Offline
Carpal Tunnel
MauganN20  Offline
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true but I'd imagine putting stuff in the middle of a tube is still difficult even with a female mold.

#59106 - 11/22/06 01:11 AM Re: Help with beams... [Re: MauganN20]  
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Bandit Offline
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Bandit  Offline
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Sydney/Northern Beaches

#59107 - 12/06/06 09:24 AM Re: Help with beams... [Re: Bandit]  
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mikekrantz Offline
old hand
mikekrantz  Offline
old hand

Joined: Jun 2003
Posts: 705
ditto on the CST Composites. They supplied me a with a lot of carbon tubing to upgrade our 18HT for ill fated 2003 Worrell. We went on to do the T500, and the carbon work was bullet proof - and looked awesome to boot.


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