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The advice given on this site is based upon individual or quoted experience, yours may differ.
The Officers, Staff and members of this site only provide information based upon the concept that anyone utilizing this information does so at their own risk and holds harmless all contributors to this site.
Dave Bristle Association "Port Captain" for Mystic/Stonington CT PO of 1985 C-25 SR/FK #5032 Passage, USCG "sixpack" (expired), Now on Eastern 27 $+!nkp*+ Sarge
I can't visualize the arrangement from your description. I'm familiar with four methods for securing battens. By the older method, the batten was slipped into the pocket. It had a flap of sailcloth over the leech end of the pocket. By bending the batten, you could put the leech end of the batten behind that flap of sailcloth, and that held it in place. I have heard this called a standard or traditional batten pocket.
After velcro was invented, some sailmakers put a flap of velcro over the end of the batten pocket to hold the batten in place. The other piece of velcro was sewed to the outside of the batten pocket. I haven't seen this often and don't know of a name for it.
Later, North made the flap of velcro much longer and sewed the other piece of velcro inside the batten pocket. You used a special tool to push the long velcro flap into the batten pocket, a string was used to remove it. Now that I think about it, I can guess that your mainsail might be a North sail, using this method. North calls it a velcro stuff batten pocket. Here's a link. https://www.northsails.com/sailing/en/2018/06/velcro-stuff-batten-pocket-installation-guide
Some sailmakers use a mechanical system for their sails. A device is attached to the luff of the sail at each batten pocket. Each batten has a hole drilled through the luff end of the batten. Then a threaded screw-like thing goes through the hole and is screwed into the device that is attached to the luff. I think this is called a captive batten system.
Steve Milby J/24 "Captiva Wind" previously C&C 35, Cal 25, C25 TR/FK, C22 Past Commodore
On our catalina sails we have batten pockets with stout velcro closures.
On the capri 25's main we have a nylon strap that you must thread to trap the batten in place....Does anyone know the name for such a setup?
A photo or two would help to make this more clear. Is it a partial or full batten main? I'm not sure there is a specific name for the batten securing method your mainsail maker used.
I'm trying to figure out how it works. Is one end of the woven strap attached to the luff, and then routed inside the batten pocket to the leech, and then around the leech end of the batten, then inside the batten pocket to the luff, and then through the tensioner? If so, compare it to the captive batten system, which is simpler and probably more secure.
Here's a photo of the captive batten system. The main difference is that it eliminates the long woven strap, which adds weight aloft to the system, which would be a disadvantage in light air. As you can see, the batten fits into the slider and it's captured in there somehow. The brand I have used is a Selden, probably 25 years old, and there's a screw that holds the batten in the slide.
Steve Milby J/24 "Captiva Wind" previously C&C 35, Cal 25, C25 TR/FK, C22 Past Commodore
I would think that is made that way to adjust batten tension. As there is no need otherwise for such a complicated system at the luff edge otherwise. All that is really needed is a plastic pocket to hold the batten end.
Notice: The advice given on this site is based upon individual or quoted experience, yours may differ. The Officers, Staff and members of this site only provide information based upon the concept that anyone utilizing this information does so at their own risk and holds harmless all contributors to this site.