Battens? - SailNet Community

   Search Sailnet:

 forums  store  


Quick Menu
Forums           
Articles          
Galleries        
Boat Reviews  
Classifieds     
Search SailNet 
Boat Search (new)

Shop the
SailNet Store
Anchor Locker
Boatbuilding & Repair
Charts
Clothing
Electrical
Electronics
Engine
Hatches and Portlights
Interior And Galley
Maintenance
Marine Electronics
Navigation
Other Items
Plumbing and Pumps
Rigging
Safety
Sailing Hardware
Trailer & Watersports
Clearance Items

Advertise Here






Go Back   SailNet Community > On Board > Gear & Maintenance
 Not a Member? 
  #1  
Old 02-07-2007
Jotun's Avatar
Space cadet
 
Join Date: May 2006
Location: KSQ, PA, USA
Posts: 396
Thanks: 0
Thanked 0 Times in 0 Posts
Rep Power: 9
Jotun is on a distinguished road
Battens?

What is the difference between a partially battened sail and a fully battened one?
Reply With Quote Quick reply to this message Share with Facebook
  #2  
Old 02-07-2007
sailingdog's Avatar
Telstar 28
 
Join Date: Mar 2006
Location: New England
Posts: 43,290
Thanks: 0
Thanked 11 Times in 11 Posts
Rep Power: 13
sailingdog is just really nice sailingdog is just really nice sailingdog is just really nice sailingdog is just really nice sailingdog is just really nice
The length of the battens. On a fully battened sail, they go from luff to leech, on a partially battened sail, they stop short of the luff.
__________________
Sailingdog

To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.

Telstar 28
New England

You know what the first rule of sailing is? ...Love. You can learn all the math in the 'verse, but you take
a boat to the sea you don't love, she'll shake you off just as sure as the turning of the worlds. Love keeps
her going when she oughta fall down, tells you she's hurting 'fore she keens. Makes her a home.

—Cpt. Mal Reynolds, Serenity (edited)

If you're new to the Sailnet Forums... please read this
To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.
.

Still—DON'T READ THAT POST AGAIN.
Reply With Quote Quick reply to this message Share with Facebook
  #3  
Old 02-07-2007
Jotun's Avatar
Space cadet
 
Join Date: May 2006
Location: KSQ, PA, USA
Posts: 396
Thanks: 0
Thanked 0 Times in 0 Posts
Rep Power: 9
Jotun is on a distinguished road
Sorry, I guess I should have clarified. Why is there a difference? Is one kind better than another?
Reply With Quote Quick reply to this message Share with Facebook
  #4  
Old 02-08-2007
BarryL's Avatar
Senior Member
 
Join Date: Aug 2003
Location: Long Island, NY
Posts: 1,670
Thanks: 3
Thanked 32 Times in 29 Posts
Rep Power: 12
BarryL is on a distinguished road
As I understand it (and I am not an expert), a fully battened sail will offer better performance because the battens will support the entire sail instead of just the end.

A fully battened sail will cost more and may require special attachment to the mast. The sail will also be heavier and more difficult to raise.

Barry
Reply With Quote Quick reply to this message Share with Facebook
  #5  
Old 02-08-2007
Senior Member
 
Join Date: Dec 2002
Location: Maryland
Posts: 526
Thanks: 0
Thanked 0 Times in 0 Posts
Rep Power: 13
SailinJay is on a distinguished road
Yes, the battens, which are flexible, provide curvature to the entire sail when filled with wind, allowing for better performance.

I'm not sure what you mean by "special attachment to the mast." Unless the main is a gaff rig, the sail has cars attached to the luff which are inserted in a slot on the aft side of the mast. The cars "slide" up the slot when the sail is raised. This is the standard protocol for the typical fully-battened mainsail.

Most cruising sailboats these days have a mainsail that is pulled out of and rolled back into the mast. This type of sail cannot have any battens.

There is a more recent technological advance that allows a sail to have full battens and also be furled completely. This is the boom furler, a boom that is much larger than the standard boom, to allow the sail to be rolled down into it, battens and all.

The principal advantage of a fully-battened main is better shape and thus better performance. The principal advantage of an in-mast furling main is that it has "infinite" reef points. The boom-furling main would seem to cover both of these items.

Last edited by SailinJay; 02-08-2007 at 05:44 PM.
Reply With Quote Quick reply to this message Share with Facebook
  #6  
Old 02-08-2007
sailingdog's Avatar
Telstar 28
 
Join Date: Mar 2006
Location: New England
Posts: 43,290
Thanks: 0
Thanked 11 Times in 11 Posts
Rep Power: 13
sailingdog is just really nice sailingdog is just really nice sailingdog is just really nice sailingdog is just really nice sailingdog is just really nice
Most full battens have a special car or sail slug that allows them to articulate a bit at the luff. On the Harken system, the battens actually go into the Battcar.

A fully battened main with an extended roach can have better performance than an unbattened main, and a bit better shape than a partially battened main.

Some cruising sailor swear by fully-battened mainsails, as the battens can help you with flaking or reefing the main... but others swear at them...
__________________
Sailingdog

To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.

Telstar 28
New England

You know what the first rule of sailing is? ...Love. You can learn all the math in the 'verse, but you take
a boat to the sea you don't love, she'll shake you off just as sure as the turning of the worlds. Love keeps
her going when she oughta fall down, tells you she's hurting 'fore she keens. Makes her a home.

—Cpt. Mal Reynolds, Serenity (edited)

If you're new to the Sailnet Forums... please read this
To view links or images in signatures your post count must be 10 or greater. You currently have 0 posts.
.

Still—DON'T READ THAT POST AGAIN.
Reply With Quote Quick reply to this message Share with Facebook
  #7  
Old 02-08-2007
tomaz_423's Avatar
Senior Member
 
Join Date: Feb 2006
Location: Slovenia
Posts: 414
Thanks: 0
Thanked 0 Times in 0 Posts
Rep Power: 9
tomaz_423 will become famous soon enough
I sailed several sailboats (mostly chartered, range from 33 to 47 feet) with furling and full batten mainsail and a few with partial battens. My conclusion is:
1)Furling: easy to "hoist" (unfurl) and "reef" (furl) until you have a problem. A problem always happens at the wrong time (strong wind with big waves, night, ...). usual problem is that the sail can not be furled as the sailcloth is jammed.
On many boats you have to furl/unfurl the sail at the mast and often the winch is mounted so close to the boom that you hurt yourself hitting the boom, if you are not carefull (also with the shorter winch handle). Sailing performance is not the best, sail shape is not the best, sail size is not the best. You end up motoring more. Benefit: you can unfurl and reef even if you are not heading into the wind.
2) Full batten: best sailing performance, more canvas on the given mast/boom but more work to hoist it (specially if you have all lines lead to the cockpit it is a lot of friction if you have old lines. Reefing: not really a problem, all can be usually done from the safety of the cockpit. Lowering the full batten mainsail is a piece of cake (if you have a lazy jack with the cover bag, which you normally do): you just drop it and in falls into the bag. No work at all. Hoisting: If you are not facing the wind the battens may get into lazy jack lines, so you have to face the wind (more or less) to hoist the sail
Partial battens: It is a compromise between the two systems. One can have enough canvas (if you have a big roach the shape is terible after the sail gets older), but one have the same problems with getting battens into lazy jack lines and in addition it can not be lowered so quickly as someone have to go up and flake the sail onto the boom.
Booom furling: no experience, but I see it as something good (usually it is seen on expencive boats). I heard that the material have to be replaced more often (rubbing in the boom beteween sail cloth and battens, ...) but this may as well be the envy talking from us not having that system.
My preference: full battens. Not only for better sailing performance, but also because the clasic hoising and reefing is so much more "the right way to do it" than furling. And taking in a reef feels more "salty" than fuling a few turns. I am not sure that "added weight high in the mast in the furling systems makes any noticable difference. But again - who am I to judge. Partial battens: only advantage I see is the price (you really want to have good cars on a mast track for full batten mainsail).

Last edited by tomaz_423; 02-08-2007 at 06:58 PM.
Reply With Quote Quick reply to this message Share with Facebook
  #8  
Old 02-08-2007
Gary M's Avatar
Senior Member
 
Join Date: May 2006
Location: Sarnia ON
Posts: 675
Thanks: 3
Thanked 3 Times in 3 Posts
Rep Power: 9
Gary M is on a distinguished road
Tomaz that was a great explanation, I have a new main being made right now and it will have full battens. Looking forward to trying it out but launch is not till May 5th.

I am with you, not a big fan of reefing systems even for the jib. I like to keep it simple and be pretty darn sure I can get a sail up or down when I need to.

Gary
Reply With Quote Quick reply to this message Share with Facebook
  #9  
Old 02-09-2007
Jotun's Avatar
Space cadet
 
Join Date: May 2006
Location: KSQ, PA, USA
Posts: 396
Thanks: 0
Thanked 0 Times in 0 Posts
Rep Power: 9
Jotun is on a distinguished road
My current boat has partial battens, and the boat I am planning to buy has full. Maybe I won't even notice the difference. But thanks every one for the explanations.
Reply With Quote Quick reply to this message Share with Facebook
  #10  
Old 02-09-2007
.
 
Join Date: Nov 2006
Posts: 10,851
Thanks: 0
Thanked 4 Times in 2 Posts
Rep Power: 13
Giulietta is just really nice Giulietta is just really nice Giulietta is just really nice Giulietta is just really nice Giulietta is just really nice
OHHHH My!!!! Jaysus, Mary, and Joseph, the Saints and Our Lady Of Fatima!!!!!!!! (All together at least 4 times)........

I am amazed....
Reply With Quote Quick reply to this message Share with Facebook
Reply

Quick Reply
Message:
Options

By choosing to post the reply above you agree to the rules you agreed to when joining Sailnet.
Click Here to view those rules.

Register Now

In order to be able to post messages on the SailNet Community forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.
Please note: After entering 3 characters a list of Usernames already in use will appear and the list will disappear once a valid Username is entered.
User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.
Password:
Confirm Password:
Email Address
Please enter a valid email address for yourself.
Email Address:

Log-in

Human Verification

In order to verify that you are a human and not a spam bot, please enter the answer into the following box below based on the instructions contained in the graphic.




Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools

 
Posting Rules
You may post new threads
You may post replies
You may post attachments
You may edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is On


Similar Threads
Thread Thread Starter Forum Replies Last Post
# of battens for racing main? Sabre66 Racing 7 02-04-2007 11:57 AM
tapered battens Randolph Bertin Gear & Maintenance 4 02-01-2007 07:55 PM
Tapered battens ltdavis Cruising & Liveaboard Forum 1 02-01-2007 07:05 PM
Main Sail Battens ronbrockman Racing 3 10-28-2001 10:08 AM
Mainsail Details Brian Hancock Gear and Maintenance Articles 0 06-19-2000 09:00 PM


All times are GMT -4. The time now is 03:21 AM.

Add to My Yahoo!         
Powered by vBulletin® Version 3.8.7
Copyright ©2000 - 2014, vBulletin Solutions, Inc.
SEO by vBSEO 3.6.1
(c) Marine.com LLC 2000-2012

The SailNet.com store is owned and operated by a company independent of the SailNet.com forum. You are now leaving the SailNet forum. Click OK to continue or Cancel to return to the SailNet forum.