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gregorywebb
6 Posts |
 Posted - 08 Apr 2007 : 18:45:31
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I have set the rigging as per the laser manual and the proctor spreader instructions, however the mast has excessive bend in the lower section and rubs badly against the sides of the mast gate.
The lower shrouds are set on the third hole on the adjuster plate, but seem very slack when not under load. The Mast also moves forward in the gate, almost to the front of the gate in brisk conditions.
I have an early stratos keel sail number 361, and the settings are taken from the manual supplied. I notice on the newer boat the lower shrouds are now set at hole 4, and the angle of the spreaders has changed.
Does any one have any suggestions? is this normal?
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Edited by - gregorywebb on 08 Apr 2007 18:54:13 |
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neilgbj
147 Posts |
Posted - 16 Apr 2007 : 19:32:20
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Are you getting sufficient rig tension on the jib ? If you are the mast should be pretty stiff and the lowers should tension with kicker.....
Neil
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gregorywebb
6 Posts |
Posted - 20 Apr 2007 : 20:47:10
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| Thanks for the suggestion, I think the tension is ok on the jib, as the mast is already forward in the gate. I have now ammended the rig to that shown on the new rigging docs, ie the lover shrouds are now set on the 4th hole. This has had little improvement. Any other suggestions?? |
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neilgbj
147 Posts |
Posted - 21 Apr 2007 : 19:06:45
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I can't really think why the mast should be so far forward, are the foot settings correct. There do not seem to be any rake or rig measurements/ settings or for the Stratos but i will try to measure mine next time I am out (not saying mine are right but I do not have any problem with contact with the gate) but it may be that the mast foot is too far forward........are there pictures/settings for the mast foot in the rigging guide ? Otherwise laser may be able to help
Cheers
Neil
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pcmoyes
20 Posts |
Posted - 02 May 2007 : 14:00:58
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Gregory
Have you stepped the mast correctly the foot should be over the centre pin so the foot is in the centre of the base unit
Regards
Philip |
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Simon Perrier
France
15 Posts |
Posted - 02 May 2007 : 20:41:24
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quote:
Originally posted by pcmoyes
Gregory
Have you stepped the mast correctly the foot should be over the centre pin so the foot is in the centre of the base unit
Regards
Philip
First, I would like to apologize for my english, bad, very bad. I'm french, nobody is perfect. I just bought à L. S. Keel (n° 1017) and get it a week ago.
It's good with the foot in the centre (the sixth hole) and the third hole down (shrouds and lower shrouds) like rigging manual says (the one which has been given to me).
Another problem : like this, the mast is very inclined behind, much too I think, for the performances. I have a real experiment of sailing : never saw a mast in this position. A little back is normal and most if there is a strong wing. But here it's always for a very very strong wind ! I would like to have your opinion (all of you) about this : put at the second hole (or the first) shrouds and lower shrouds, and move back the foot of the mast of a hole (= around 1 cm) ?
Thanks for what you could say to me (even if I am mistaken).
Simon Perrier (terribly sorry for my english)
simon-perrier@club-internet.fr
Chartres
France
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pcmoyes
20 Posts |
Posted - 03 May 2007 : 12:24:18
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The Rake or angle of the mast is very pronounced when compared to other boats, i will try to send you a picture of my boat under sail which will give you an indication. My boat is set up as the instruction manual except that the lower shrouds are in the fourth hole down on the deck plates.
Regards
Philip |
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gregorywebb
6 Posts |
Posted - 03 May 2007 : 21:05:25
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Philip, do you think you could also send me the photo of your setup. - I think the mast step is incorrect on mine, and I did tighten the lower shrouds, but this just left the leaward side upper shroud very loose under a stiff breeze. The top of the mast also had exessive bend. - thanks for all the help
GW |
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pcarter
United Kingdom
81 Posts |
Posted - 04 May 2007 : 07:04:55
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You could post the picture here. That may help others too.
Thanks,
Pete 789 |
Edited by - pcarter on 04 May 2007 07:05:15 |
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Simon Perrier
France
15 Posts |
Posted - 05 May 2007 : 10:21:53
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Just a precision. On the laser web site it is indicated the fourth hole for the lower shrouds. On mine, the third... But perhaps it’s not a mistake because I believe it is not necessary that the lower shrouds be tended. As it is said, they are useful just to restrict forward bend in the lower third of the mast. It’s useful, when there is strong wind that the mast can curve and make that the sail is less hollow.
Hoping to be clear...
Simon
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pcmoyes
20 Posts |
Posted - 08 May 2007 : 12:58:03
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quote:
Originally posted by gregorywebb
Philip, do you think you could also send me the photo of your setup. - I think the mast step is incorrect on mine, and I did tighten the lower shrouds, but this just left the leaward side upper shroud very loose under a stiff breeze. The top of the mast also had exessive bend. - thanks for all the help
GW
Gregory
Try this i think i have found the attachment link
Philip
Image Attachment: IMG_3973.JPG (43.39 KB)
Uploaded on 23-Apr-2015 04:41:27
Viewed 3696 time(s).
Category:Other
Description:
No Description Entered
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pcmoyes
20 Posts |
Posted - 08 May 2007 : 13:01:07
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quote:
Originally posted by pcarter
You could post the picture here. That may help others too.
Thanks,
Pete 789
Pete
It is not a close up picture but does show the rake of the mast in light airs.
Image Attachment: IMG_3973.JPG (43.39 KB)
Uploaded on 23-Apr-2015 04:41:27
Viewed 3696 time(s).
Category:Other
Description:
No Description Entered
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Simon Perrier
France
15 Posts |
Posted - 30 Jun 2007 : 15:08:23
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quote:
Originally posted by Simon Perrier
On the laser web site it is indicated the fourth hole for the lower shrouds. On mine, the third... But perhaps it’s not a mistake because I believe it is not necessary that the lower shrouds be tended. As it is said, they are useful just to restrict forward bend in the lower third of the mast. It’s useful, when there is strong wind that the mast can curve and make that the sail is less hollow.
SP
I tested the boat for the first time yesterday. I am sure now there is a mistake on my rigging manual (the one which has been given to me) : it’s indeed the fourth hole for the lower shrouds, the third for the shrouds. Like that the lower shrouds are not tended, which is good.
I always think the rake is too much pronounced for light winds. I tested first hole for the shrouds and second for the lower shrouds. The rigging manual says it’s possible. No problems, but only for light winds because the mast touches the front of the gate. I will test later to move back the foot of the mast (Selden) of a hole. The only problem could be that the boat became too much ... "ardent" (in french ! I don't know in english. Perhaps : too much going up with the wind ...?)
Very good boat indeed.
Simon
(1017)
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Sayling
United Kingdom
31 Posts |
Posted - 30 Jun 2007 : 22:53:17
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Simon,
I am just guessing about 'ardent'. In English, there are the terms 'weather helm' and 'lee helm'.
Weather helm is when you have to keep the tiller to windward to keep the boat on course -- the boat tends naturally to steer into the wind. A little bit is good, but too much is not.
'Lee Helm' is when you have to keep the tiller to leeward to keep on course -- the boat tends naturally to steer away from the wind. Usually not good, or rather dangerous.
My guess is when you moved the foot of the mast aft (rearwards) this moves the centre of pressure of the mainsail back, which will give the boat more weather helm?
Is this what is meant by 'ardent'?
Sayling
newly a Stratos c/b owner -- sail no. 568 - 'Ketchup' |
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Simon Perrier
France
15 Posts |
Posted - 01 Jul 2007 : 11:24:51
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[quote]Originally posted by Sayling
Simon,
I am just guessing about 'ardent'. In English, there are the terms 'weather helm' and 'lee helm'.
Weather helm is when you have to keep the tiller to windward to keep the boat on course -- the boat tends naturally to steer into the wind. A little bit is good, but too much is not.
My guess is when you moved the foot of the mast aft (rearwards) this moves the centre of pressure of the mainsail back, which will give the boat more weather helm?
Is this what is meant by 'ardent'?
You are right. "Weather helm" is the exact word.
Thank you very much.
Simon
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terrycrook
United Kingdom
7 Posts |
Posted - 01 Jul 2007 : 21:21:35
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WE have our shrouds in the fifth hole down in the front of the shroud plate. Mast stepped in the centre.
Pull on as much rig tension as you can for all weathers. It works for us!
Good luck
Terry
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Rigging
