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Laser topmasts

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Post Options Post Options   Quote Late starter Quote  Post ReplyReply Direct Link To This Post Topic: Laser topmasts
    Posted: 21 Nov 11 at 5:26pm
Generally speaking I do think that the one design ethos of the Laser has served the class very well over the years. And while I grew up as one of the "hang off the boom/pull in the kicker" generation of Laser sailors I support sensible modest cost RETRO FITTABLE developments where there is a clear consensus, as was the case with the control line upgrades. I suspect carbon top sections fit into this sort of development.

However,  as an issue for the class this really pails into insignificance compared to the turf wars beween designer/builders/the class association at the moment !
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Post Options Post Options   Quote 2547 Quote  Post ReplyReply Direct Link To This Post Posted: 21 Nov 11 at 11:01pm
Gentle improvement whilst preserving the ethos and performace profile would benefit the class I'd have thought. No doubt it would cause lost of moaning for the purist but once all the fuss had died down it would be OK. Just like it did after the XD controls and the new foils.

Would be great to see a "concept" laser from the likes of Jo Richards; the brief of it would be same Laser performance with  prsesent day levels of product design & ergonomics. Sounds like a good 3rd year product design project for a sailor.

Just imagine the sales $$$$


Edited by seamonkey - 21 Nov 11 at 11:02pm
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doeywizard View Drop Down
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Post Options Post Options   Quote doeywizard Quote  Post ReplyReply Direct Link To This Post Posted: 22 Nov 11 at 5:24pm
I understand that we cant use it entail after the olyimpics but when will they accatualy go on sale and will it be through laser performance?
 
Excuse any spelling mistakes
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Post Options Post Options   Quote Emilio Castelli Quote  Post ReplyReply Direct Link To This Post Posted: 22 Nov 11 at 8:02pm
A well designed sleeve in the current top mast would have solved the problem and would have been easy to retrofit. Too simple and too cheap I guess.
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Post Options Post Options   Quote bustinben Quote  Post ReplyReply Direct Link To This Post Posted: 22 Nov 11 at 8:03pm
That would stop them snapping, but not bending.
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Post Options Post Options   Quote Emilio Castelli Quote  Post ReplyReply Direct Link To This Post Posted: 22 Nov 11 at 8:33pm
Originally posted by bustinben

That would stop them snapping, but not bending.
 
It would make it a lot harder to permanently bend.
Look at the boom; used to bend and snap. I haven't seen a bent boom since the sleeve.
E
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Post Options Post Options   Quote JimC Quote  Post ReplyReply Direct Link To This Post Posted: 22 Nov 11 at 8:41pm
Originally posted by Emilio Castelli

A well designed sleeve in the current top mast would have solved the problem
Surely that would change the bend characteristics. With a boom you don't care so much.
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maxibuddah View Drop Down
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Post Options Post Options   Quote maxibuddah Quote  Post ReplyReply Direct Link To This Post Posted: 22 Nov 11 at 10:18pm
but if the intention is not alter the characteristics of the rig then a boom that doesn't bend as much will affect things as more vang can applied controlling the leach tension. If anyone cared about their performance then they would have to buy a new boom otherwise their boom would be bendy. I'm sure most got a new boom as it meant that it didn't break rather than improved leach tension, but the principle is the same.
Everything I say is my opinion, honest
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Post Options Post Options   Quote jeffers Quote  Post ReplyReply Direct Link To This Post Posted: 23 Nov 11 at 7:20am
Originally posted by maxibuddah

but if the intention is not alter the characteristics of the rig then a boom that doesn't bend as much will affect things as more vang can applied controlling the leach tension. If anyone cared about their performance then they would have to buy a new boom otherwise their boom would be bendy. I'm sure most got a new boom as it meant that it didn't break rather than improved leach tension, but the principle is the same.
 
The boom sleeve was introduced a long time ago in response to a large number of failures around the kicker (vang to our colonial cousins) fitting due to excessive boom bend. Since this was introduced true is has changed the bencharacterisitcs but it was still possible to get the same amount on tension on just you boom looked like a banana.....
 
Same with the new controls, whilst they make it easier for non-gorillas to get kicker tension on the total potential (or optimal potential) has not actually changed. It was possible to pull too much using the old controls just as it is with the new controls.
 
As for the mast bending issue I have had 1 bent top section and that is on my current boat. It seems this issue is on the new builds, change in tube quality perhaps?
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Post Options Post Options   Quote Andymac Quote  Post ReplyReply Direct Link To This Post Posted: 23 Nov 11 at 2:49pm
Originally posted by Emilio Castelli

A well designed sleeve in the current top mast would have solved the problem and would have been easy to retrofit. Too simple and too cheap I guess.
E
 
A while ago, they were exploring a 'collet' to replace the current mast collar which is riveted in place.
 
The rivet point is a known weakness, and there are currently marks on the upper / lower masts to line up thus when close hauled the rivet hole is in compression rather than extension.
 
I don't know what ever came about with this collet, but it would have allowed the same aluminium tubing to continue to be used without a rivet hole weakening the tube. It would have the added advantage of 360 degree orientation of top section as well as end-to-ending thereby enabling the accumulative stresses to be spread.
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