Laurent Giles 'Jolly Boat' Exeter |
J24 (Sail No. 4239) Dartmouth |
29er GBR 074 Tynemouth |
List classes of boat for sale |
carbon masts |
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fudheid
Far too distracted from work Joined: 21 Apr 11 Location: 51.53 N 01.28 E Online Status: Offline Posts: 241 |
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Topic: carbon masts Posted: 05 Jan 12 at 10:38am |
So the mast snapped in 2 places, it has been sleeved and bonded?? I figured it would be straight as a die? Do carbon masts have natural prebend? Can this be sorted? ifso who? otherwise i have a very bespoke mast which will need its mainsail cutting to fit exactly.
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Cheers you
only me from over the sea...... |
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olly_love
Really should get out more Joined: 18 Jan 05 Location: United Kingdom Online Status: Offline Posts: 1145 |
Post Options Quote Reply Posted: 05 Jan 12 at 11:06am |
that looks crap,
mine broke above this point and we have done a much better job, i think its dead tbh, also what has someone done around the main sheave? and the caps take off points as there should be inserts for standard t terminals here the sideways bend may be ok but the for and aft istnt good, i would attach it with a finger belt sander and see if you can thin it down a bit looking at it you wont hoist the main as the head will get caught, we have an alloy you could borrow to get you sailing? if that would help, i would give giff a call or jamie from synthasise as they may be able to graft a new top section on but it all depends on what needs doing, and how much you want to spend, |
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JimC
Really should get out more Joined: 17 May 04 Location: United Kingdom Online Status: Offline Posts: 6649 |
Post Options Quote Reply Posted: 05 Jan 12 at 11:54am |
It looks as if someone has tried to do a repair on the cheap and it hasn't come off. If that was a full price job I think the repairer needs to be looking at themselves if they billed for it. If on the other hand it was "well, we'll have a go on the cheap, no guarantees, its at your own risk whether it works or not, mate", then well, these things happen.
I'm having trouble working out what I'm looking at... Is that one break or two? But certainly repairing that involves taking large chunks out and replacing them. It could very easily not be cost effective to get it done professionally because it means fabricating new sections that are exactly the right size. Also I fear it might be better if the whole track came off and was replaced. If its a single break at the hounds then a whole new top mast might be the best bet. C-Tech, maybe amongst others make at least some of their carbon spars with a separate tapered topmast and parallel main section and a joint at the hounds. As far as pre-bend is concerned most classes ban masts being built with intentional pre-bend. |
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timnoyce
Really should get out more Joined: 05 Aug 04 Location: Hampshire Online Status: Offline Posts: 1991 |
Post Options Quote Reply Posted: 05 Jan 12 at 12:07pm |
mmm, that repair is best described as terrible. If you paid for more than the materials then you have right to complain as it is shocking! Looks like a CST mast which is generally quite a large strand, but can be cleaned up and laminated quite nicely (I repaired a Cherub CST mast a couple of years ago). I'd not bother trying to straighten this one, just accept that it is a bad job and sail it as it is. As long as you can get the main up and it holds it up then it will be fine for training with at least, and to be honest you hardly sound like you are hoping to win the nationals so your skill will probably slow you down more than this mast. Save your pennys whilst you are practising with this one and then get a new mast when you can afford it.
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BEARFOOT DESIGN
Cherub 2648 - Comfortably Numb |
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olly_love
Really should get out more Joined: 18 Jan 05 Location: United Kingdom Online Status: Offline Posts: 1145 |
Post Options Quote Reply Posted: 05 Jan 12 at 12:09pm |
the issue you will have it the leach will be massivly open is the tip points aft,
and yes jim there is a join in the mast, |
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fudheid
Far too distracted from work Joined: 21 Apr 11 Location: 51.53 N 01.28 E Online Status: Offline Posts: 241 |
Post Options Quote Reply Posted: 05 Jan 12 at 12:14pm |
Edited by fudheid - 05 Jan 12 at 3:38pm |
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Cheers you
only me from over the sea...... |
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fudheid
Far too distracted from work Joined: 21 Apr 11 Location: 51.53 N 01.28 E Online Status: Offline Posts: 241 |
Post Options Quote Reply Posted: 05 Jan 12 at 12:21pm |
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Cheers you
only me from over the sea...... |
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olly_love
Really should get out more Joined: 18 Jan 05 Location: United Kingdom Online Status: Offline Posts: 1145 |
Post Options Quote Reply Posted: 05 Jan 12 at 12:26pm |
bloody hell, if thats the C****GY Company i think you are talking about, they haev propperly f**ked up,
and a new mast is 1900 rigged so god only know why they quoted 2200, we did our repair in 5 hours, Edited by olly_love - 05 Jan 12 at 12:29pm |
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Daniel Holman
Really should get out more Joined: 17 Nov 08 Online Status: Offline Posts: 997 |
Post Options Quote Reply Posted: 05 Jan 12 at 12:31pm |
I think I know who did that, and I have had trouble even buying stuff from them.
35 hours! That kind of job is 10h all things being equal. Hundred quid or so for materials. Bit more to laquer it but you shouldn't see any bend or even notice a repair apart from a cosmetic wrap. Track should be seamless. Even if he didn't have a perfect sleeve there are ways of making it line up. Surely you could buy a similar mast new for £2200, even with the exchange the way it is. Alternatively, get your boat insured (which you have to really if racing) and see how long the repair stands up for. |
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Daniel Holman
Really should get out more Joined: 17 Nov 08 Online Status: Offline Posts: 997 |
Post Options Quote Reply Posted: 05 Jan 12 at 12:33pm |
And a good repairer will have stock of sail track of all types, scavenged from written off tubes if needs be.
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