Friday, 3 July 2009

Where should the Telltails go?

It is some time since I completed my RYA 1 & 2 dinghy sailing course. It is on these courses that you learn and prompty forget what things like the telltales should be doing to get you going as fast as possible. To prove my point, when last out on the River Colne, just short of Bateman Tower, even the Bar Man, my experienced crew could not remember.

After a few months of sailing I have now mastered the ability to look up at my sails and make a vague judgement as to their worth. Having spotted the telltales I felt it was the next thing to master in my quest to beat the Lasers.

Once you have the jib trimmed correctly, you can start steering the boat, using the telltales as guides. If the outside telltale "piddles," this means the sail is overtrimmed for the direction of the wind on the boat. You don't want to let the sail out, so you must head up. This, in effect, retrims the sails, except instead of bringing the sails in, you "brought the whole boat in."

If the inside telltale piddles constantly, or if the sail luffs (actual luffing, or just an inversion at the front edge of the sail), the jib is undertrimmed. You don't want to crank in more on the sheet, so you must retrim by bearing off.

Your goal is to make the outside tale flow straight back and the inside tale "lift" occasionally, meaning some air is getting to it, but not all the time. If you don't know how often the inside tale should be lifting, err on the side of too often. It's better to have too much air flowing along the inside edge of the sail, than not enough.


So Lasers, with this and the Roll Tack, you had better watch out.

The next intreguing issue about the sails is to understand what the telltales on the leech-edge of the mainsail are meant to do...

No comments:

Post a Comment