[Public-list] Reefing lines

[FINNUS505 at aol.com]

One further word of explanation............. :)
 
When you rig the jackline, the luff of the lower main will be 1/4 to 1/2  
inch further away from the track than before. This will add a small amount of  
draft to the lower part of the sail. If your sail was nice and flat to start  
with, the effect will be negligable. Stargazer's main was a little full to start 
 with, and so I didn't want that extra draft. I rigged an inhaul line, so  
that I could move the tack aft a few inches, thus flattening the luff of the  
sail. Pulling the clew of the sail aft that amount gave me a much better sail  
shape.
 
I rigged the inhaul line by replacing the tack shackle, which on Stargazer  
was shaped so that it remained vertical, with a standard shackle that could 
then  'rake' aft. I made a line fast to the tack with a rolling hitch, lead the 
line  through this shackle, and then aft to a cleat on the boom.
 
As I say, if you are happy with your sail shape with the tack in the  
standard location, then you don't have to take this extra step.
 
Playing with rigging and sail shape is fun, isn't it?:)
 
Lee
 
 
In a message dated 10/9/2005 12:09:52 PM Eastern Standard Time,  
eddiediver at sbcglobal.net writes:

Thank  you Stargazer for that explaination. I understand it. When you 
mentioned  READING a book about it, BINGO, thats why my bookshelves are so filled. I  
ought to have read one of them on the subject. Duh!

FINNUS505 at aol.com  wrote:
In a message dated 10/8/2005 5:59:17 PM Eastern Standard Time,  
eddiediver at sbcglobal.net writes:


What I can't figure out is  what to do with the 2 or 3 lower sail slides on 
the mast track. Now, we  have two sets of heavy-duty reef rings, one each 
even 
with the rows of  reef nettle lines on the sail. We lower the main to one of 
the reef tack  rings, pass the ring over the hook on the gooseneck and then 
tighten the  main halyard. To allow the sail slides to lower on the mast, we 
now 
need  to go forward to pull out the sail slide holder pin in the mast track. 
The  pin is about 2 feet above the gooseneck to allow the putting on and 
taking  
off of the sail. If we did not have the holder pin there, the mainsail  
slides would drop out of the track every time we normally lowered the  
mainsail.

What have others done? Ed. Schroeder




Hi  Ed,

One solution to this problem is a jackline. This allows the sail to  pull 
away from the mast and slides on the track, but still be attached to  them.

A gromet is placed on the sail just above the luff cringle of the  highest 
reef, either 2nd, or third, depending on what you have. A line is  attached 
to 
this grommet, and this line will pass through fairleads  attached to each 
sail 
slide below that point.

An additional grommet  is put into the sail a few inches below the existing 
grommet for the luff  track slides. Fairleads are seized to the now pairs of 
grommets at each  sail slide site.

The jackline is reeved through all the fairleads at  each sail slide site. 
The jackline goes through the top fairlead on the  sail, then through the 
fairlead on the track slide, then through the  bottom fairlead at each slide 
site, 
and so on until the line reaches the  tack of the sail. It is made fast 
there, 
either to the tack shackle, or  some other convenient spot there.

Hoist the sail and make the luff up  to the tension you want for the current 
wind strength. Then, make the  lower end of the jackline fast, pulling the 
sail 
to the mast at each track  slide.

When you lower the sail to reef, the jackline relaxes, and  allows the sail 
to pull away from the mast, without having to let the  slides off the track.

For the second or third reef, you may have to  release the jackline from the 
knot at the tack to give the higher slides  more room to pull away from the 
mast. Even though this means a crew has to  go forward, it is still a much 
more 
controled procedure than releasing the  slides from the track.

If this description was incomprehensible, as it  may well be, look in a 
sailmaking text for a diagram of this very useful  device.

Hope this helps,
Lee

Stargazer  #255
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