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Melges 14

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getafix View Drop Down
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Post Options Post Options   Quote getafix Quote  Post ReplyReply Direct Link To This Post Topic: Melges 14
    Posted: 08 Dec 14 at 12:58pm
the 100 has a rather tricky alternative to the 'classic' mainsheet transom hook*, if you are too slow speed and have enough slack, you can hook up the back of the mainsheet on the end of the tiller, results often involve swimming as not only is the sheet caught up, but it seriously hampers your steering ability too 

*or at least mine does!
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Post Options Post Options   Quote jeffers Quote  Post ReplyReply Direct Link To This Post Posted: 08 Dec 14 at 1:47pm
Originally posted by Riv

Many of our members only sail lasers a couple of times a year, so anything that makes them easier will be good.

I agree that the main may well still catch around the quarters so I'll do one first as an experiment.

As you say we can also put tape on the corners.

Yes, the tiller will rub on the traveller but as the traveller will go out almost to the extreme edge of the deck (unlike the present system where it is 40mm in)we might be able to get away with less tension.

The sheeting angle (measured on the deck) will go from about 11 degrees now to about 17 and so vang sheeting  maybe less important, so we'll be able to reduce vang tensions which will also make it easier for the occasional sailor.

It'll be fun trying anyway and nothing lost.

It will likely increase sheet loads too but by how much i would not care to guess and the boom angle will also change as you will not be able to pull it in as much meaning the pointing will all go to pot unless you have some kind of limiter on the traveller.

Personally I find it only catches if you are lazy on your gybe or laxy when tacking reach to reach.
Paul
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Post Options Post Options   Quote turnturtle Quote  Post ReplyReply Direct Link To This Post Posted: 08 Dec 14 at 1:49pm
Originally posted by getafix

the 100 has a rather tricky alternative to the 'classic' mainsheet transom hook*, if you are too slow speed and have enough slack, you can hook up the back of the mainsheet on the end of the tiller, results often involve swimming as not only is the sheet caught up, but it seriously hampers your steering ability too 

*or at least mine does!

hahaha- I'd forgotten about when it does that, or at least mine did too.  
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Post Options Post Options   Quote fab100 Quote  Post ReplyReply Direct Link To This Post Posted: 08 Dec 14 at 7:33pm
Originally posted by getafix

the 100 has a rather tricky alternative to the 'classic' mainsheet transom hook*, if you are too slow speed and have enough slack, you can hook up the back of the mainsheet on the end of the tiller, results often involve swimming as not only is the sheet caught up, but it seriously hampers your steering ability too 

*or at least mine does!


tie or splice in a bit of shock cord, half way between gunwale and stopper each side. It keeps the traveller tighter, less room for it or sheet to tour places they're not supposed to go

Same issue occurs in a 200 as well.


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Post Options Post Options   Quote Medway Maniac Quote  Post ReplyReply Direct Link To This Post Posted: 08 Dec 14 at 11:54pm
Originally posted by jeffers


It will likely increase sheet loads too but by how much i would not care to guess and the boom angle will also change as you will not be able to pull it in as much meaning the pointing will all go to pot unless you have some kind of limiter on the traveller.

Personally I find it only catches if you are lazy on your gybe or laxy when tacking reach to reach.
Sheet loads are light on a Laser - the velocity ratio is a bit on the large side - hence the big arm over arm movements needed to sheet in.  Moving the bridle forward will help that.

To centre the boom more, just slacken the bridle a little (like nobody does now since they always want it right out, often plus some).  With the boom-deck spacing increasing as you move forward, there should still be an ample range of leach tension available.
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Post Options Post Options   Quote blaze720 Quote  Post ReplyReply Direct Link To This Post Posted: 20 Jan 15 at 12:46pm
http://www.melges.com/boat.php?p=pages/boats/m14
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Post Options Post Options   Quote Guests Quote  Post ReplyReply Direct Link To This Post Posted: 20 Jan 15 at 1:18pm
Video is interesting. Its heavier than a blaze with less power and leverage. No offence intended, but it looks like a bit of a dated design from 1980's and its heavy for its beam, power and length for a racing singlehander. Because the bridle is so long and loose it will be difficult to get consistent tension and angles and is in the way downwind. The zero keeps the whole thing at the stern, with a very tense shorter span and an adjustable ring to keep control. It looks like this is just on a floating block. 
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Post Options Post Options   Quote jeffers Quote  Post ReplyReply Direct Link To This Post Posted: 20 Jan 15 at 1:20pm
Originally posted by SimonW99

The zero keeps the whole thing at the stern, with a very tense shorter span and an adjustable ring to keep control. It looks like this is just on a floating block. 

The ring is not adjustable on the D-Zero the rope that runs through it is adjustable. It works well as long as you have some form of calibration on the rope....
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Post Options Post Options   Quote Guests Quote  Post ReplyReply Direct Link To This Post Posted: 20 Jan 15 at 1:22pm
Jeffers

Yes, sorry, the ring is fixed, but the traveller is adjustable. Point being that the whole thing is tensioned and therefore works, whereas that long floppy string with a floating block on the melges cannot be accurately adjusted, it will just be where it ends up.
 
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Post Options Post Options   Quote Null Quote  Post ReplyReply Direct Link To This Post Posted: 20 Jan 15 at 1:41pm
Originally posted by SimonW99

Video is interesting. Its heavier than a blaze with less power and leverage. No offence intended, but it looks like a bit of a dated design from 1980's and its heavy for its beam, power and length for a racing singlehander. Because the bridle is so long and loose it will be difficult to get consistent tension and angles and is in the way downwind. The zero keeps the whole thing at the stern, with a very tense shorter span and an adjustable ring to keep control. It looks like this is just on a floating block. 

Looking at the video they seemed to of tighten the traveller a little.  I should imagine the boat is sailed with vang sheeting to control twist, leech tension etc, and the mainsheet more to do with the lateral position of the boom.  
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