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set up for RS500 and Laser 3000
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    Posted: 21 Mar 13 at 3:04pm
Forgive me for asking a possibly stupid question, but how do you adjust the rig tension ?
 
 
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Medway Maniac View Drop Down
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Posts: 2788 		Post Options Post Options   Quote Medway Maniac Quote  Post ReplyReply Direct Link To This Post Posted: 21 Mar 13 at 5:54pm
By simply varying how hard you pull on the jib halyard tensioner.
Wilsonian SC
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Posts: 2788 		Post Options Post Options   Quote Medway Maniac Quote  Post ReplyReply Direct Link To This Post Posted: 27 Mar 13 at 3:36pm
The 3000 Class website is now back up again at www.3000class.org.uk , and very pretty it looks too.  One or two bits (like the Y&Y boat test) still to be added.

Have a dig around the technical page (including the 'tips on upgrading' article).  Any questions arising, just stick a query on the tech forum.
Wilsonian SC
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Posts: 784 		Post Options Post Options   Quote NickA Quote  Post ReplyReply Direct Link To This Post Posted: 28 Mar 13 at 10:03pm
I have used all those settings on the shroud plates; though mast vertical is something I've given up on as you get a bit more power for a lot less point. A couple of our younger class members set off to sail an open with a vertical mast in force 5 a couple of years back, they were VERY fast down wind but did keep falling in.  Generally rake is good.

Rig tension on the 3000 is easily adjusted, set the required rake using the shroud adjusters and then pull the jib halyard until the shroud tension is high enough.  More tension pulls the mast forward somewhat; so the rake will decrease.  It takes a bit of fiddling with a tape measure and a loos gauge to get the right rake and the right rig tension; but if you put some marks on the mast and note which mark goes with which shroud plate position, you only need to go through this "calibration" once.  

On recent and modified 3000s the jib halyard adjustment is 2:1 so can be adjusted on the water, so you can always pull a bit more on if the forestay starts bobbing about.  On an RS500 (or a 29er) where the jib clips onto the forestay, the rig tension is on a separate rope from the jib halyard.

.. hey, bring a 3000 along to an open and we'll show you!
Javelin 558
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Posts: 2788 		Post Options Post Options   Quote Medway Maniac Quote  Post ReplyReply Direct Link To This Post Posted: 29 Mar 13 at 12:35am
Originally posted by NickA



On recent and modified 3000s the jib halyard adjustment is 2:1 so can be adjusted on the water

Er, 4:1 actually Nick.  The original Laser set-up was 3:1 and it helped to have someone pull on the forestay as well to get your 136kg, though it could be done by brute force.

Either way it helps to have the final position marked on the mast, since it is very easy to pull on the required tension when sailing downwind so you can't do it by feel when afloat (the wind replaces your strong man on the forestay!).
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Posts: 784 		Post Options Post Options   Quote NickA Quote  Post ReplyReply Direct Link To This Post Posted: 04 Apr 13 at 9:45pm
He's correct, of course.  There's 2:1 at the top of the sail and 2:1 at the bottom of the mast.

Easy to full on more rig tension whislt sailing; bit scary letting it off again! So thoughts of easing rig tension for down wind are perhaps unwise.

Meanwhile:  Here is a link to some useful RS500 settings:
Javelin 558
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