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Author Topic: Tacking angle too large
Diederik Schuuring Posted: 11-May-08 09:27
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Hi,

I bought an compass to make a next step in improving my sailing and found out that my tacking angle is approx 120 degrees, where I thought it ought to be somewhere around 80 to 90 degrees. I have no idea what to do to overcome this. As far as I know the setup of the rig is correct. I determine my coarse by keeping my tell tales streaming on both sides of the jib. Any suggestion is very welcome.

Thanks , Diederik

[Edited by Diederik Schuuring on 11-May-08 15:28]
 
Pete Lindley Posted: 12-May-08 17:44
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80 to 90 degrees is about what you should be aiming for.
 
mmoncia Posted: 13-May-08 14:10
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Based on my experience 90 sounds more realistic than 80 with the ISO...
I was never able to point as I did with other boats...

If you need suggestion about narrowing your angle my suggestion would be join one of the famous Pete's training event. you could have an opportunity if you come to eurocup since in the two days before the races we will have two training days.

 
Ian Moss Posted: 13-May-08 16:22
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Pull the sails in and ensure they are in at the top too. All the setting control this so no one control will solve it but kicker and barberhaulers are a good start and can dramatically alter the shape of your sails.
 
mmoncia Posted: 14-May-08 09:00
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I would add the swatcher...
 
Diederik Schuuring Posted: 14-May-08 11:32
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Thanks,

Normally I have the swatcher on, the barberhaulers approx midway (so that the telltales start streaming at the same time) enough tension on the shrouds. The jib sheet is not pulled full on but the jib flies just inside the gunwale. How tight can I pull the jib sheets without stalling the sail?

Diederik
 
Lloyd Walker Posted: 14-May-08 13:09
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It is the leach of the main that will provide you with your pointing ability. The jib can be flat in light airs and flat water but eased a little in a choppy sea or medium winds if you are looking for speed more than height.

Basicaly a hard (closed) leach on the main will give you height and a soft (open) leach will give you speed. It's all a matter of compramise. The height of the strops and sheet tension are the best places to start. My guess is that the strops are too high or that you are not using enough sheet tension. You need to get a good view of your boat from behind to see if the boom is on the centre line or if the leach is too open. A good photo taken from behind will help. Anyway it's in all the good tuning books; good luck Lloyd
 
Diederik Schuuring Posted: 17-May-08 08:14
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Thanks Lloyd,

This gives a different perspective to me, I normally determine the height I can sail from the tell tales in the jib, adjusting the main to that. My mainsheet strops are not too high, it might be that the sheet tension is not always high enough. I know that for realy close to the wind sailing the boom should be on the centreline. But knowing that how much sheet tension should I apply on the jib? My background is traditional barges where it is a crime to oversheet a jib. On the catamaran I used much more jib sheet tension. When sailing upwind should I pull the jibsheets full on?

Discussing it at the club (where I'm the only skif sailor), they suggetsed to rake the mast back. Any ideas on that? I normally only rake back the mast when it is really windy.

Thanks, Diederik
 
Lloyd Walker Posted: 17-May-08 18:09
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You are right that you need more rake in windy weather. Pull the jib in tight but not so you are pulling as hard as you can. Sheet the main tight i.e. block to block if you cant get it block to block the strops are too short. That's it now point it in the right direction and away you go.
 

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