Cruisers Forum
 


Reply
  This discussion is proudly sponsored by:
Please support our sponsors and let them know you heard about their products on Cruisers Forums. Advertise Here
 
Thread Tools Search this Thread Rate Thread Display Modes
Old 21-02-2011, 03:26   #1
Registered User
 
FraidNot's Avatar

Join Date: Nov 2009
Boat: Oceanis 411
Posts: 239
Clutch or Jammer for Pole Uphaul and Downhaul

40' cruising yacht - I don't press hard under spinnaker; I'm not racing.
Pole has 8mm uphaul and downhaul lines - I plan to install some clutches/jammers. What sort of load bearing SWL do these need? Options include:
Lewmar D1 6-8mm 300kg - $120
Spinlock XAS 4-8mm - 450kg - $130
Lewmar D2 8-10mm 500kg - $170
Spinlock PXR camcleat - 8-10mm 200kg - $100
Spinlock Rope Jammer - 6-10mm 400kg - $90

Recommendations most welcome!
__________________
FraidNot
FraidNot is offline   Reply With Quote
Old 21-02-2011, 07:28   #2
Registered User
 
svHyLyte's Avatar

Join Date: Mar 2006
Location: Tampa Bay area, USA
Boat: Beneteau First 42
Posts: 3,961
Images: 25
Re: Clutch or Jammer for pole uphaul and downhaul

Unless using the type that will positively release under load--which are quite costly--you do not want clutches on any line that has to be released quickly and easily in an emergency as might pole guys and lifts. Beneteau's original equipment for such applications is generally jam cleats and you might find that BeneteauUSA can provide the items you need at subtantially less cost than any other supplier (e.r. our Lewmar sheet-lead cars were >$100 less, each, through Benetesu then they were at Defender or any of the marine hardware suppliers).

FWIW...
__________________
"It is not so much for its beauty that the Sea makes a claim upon men's hearts, as for that subtle something, that quality of air, that emanation from the waves, that so wonderfully renews a weary spirit."
svHyLyte is offline   Reply With Quote
Old 21-02-2011, 07:37   #3
Registered User

Join Date: Jun 2008
Posts: 64
Re: Clutch or Jammer for Pole Uphaul and Downhaul

This page on harken's web site might help you find strength ranges.
Harken Spinnaker Systems

Generally the pole's topping lift only holds up the weight of the pole.

The downhaul/foreguy can carry a LOT of load. But releasing the downhaul while loaded is almost never done on the boats I race on. Release the sheet ( or maybe guy ) as appropriate to reduce load on the sail.
zydecotoad is offline   Reply With Quote
Old 27-02-2011, 13:31   #4
Registered User

Join Date: Nov 2005
Location: Tasmania
Boat: VandeStadt IOR 40' - Insatiable
Posts: 2,317
Images: 91
Re: Clutch or Jammer for Pole Uphaul and Downhaul

Uphaul: Clutch
Downhaul: Cam cleat

Ideally, 2 cam cleats, one either side of the cabin top, with the downhaul running through a turning block on the pole, which (a) gives you a double purchase, reducing strength required to pull downhaul on, and (b) allows you to work the downhaul in conjunction with the brace (a.k.a. "guy") from the high side on both jibes

On our 40' cruiser racer, we use 8mm spectra for the uphaul, in a garhauer clutch. Our downhaul is 8mm double braid, in standard cam cleats. We could probably get away with 6mm for both from a load point of view, but 6mm is hard on the hands.
Weyalan is offline   Reply With Quote
Reply

Tags
clutch

Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes Rate This Thread
Rate This Thread:

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are Off
Pingbacks are Off
Refbacks are Off


Similar Threads
Thread Thread Starter Forum Replies Last Post
Jib Downhaul & Stowage ? hellosailor Seamanship & Boat Handling 33 20-10-2012 12:51
For Sale: Line Clutch DCGSAILING Classifieds Archive 2 17-02-2011 06:52
Line for Jib / Main Downhaul sandycohen Deck hardware: Rigging, Sails & Hoisting 1 20-12-2009 08:01
Clutch problem? Meck Propellers & Drive Systems 0 20-11-2009 07:17
Replacing clutch plates SteveS Engines and Propulsion Systems 1 19-09-2008 12:34

Advertise Here


All times are GMT -7. The time now is 12:09.


Google+
Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2024, vBulletin Solutions, Inc.
Social Knowledge Networks
Powered by vBulletin® Version 3.8.8 Beta 1
Copyright ©2000 - 2024, vBulletin Solutions, Inc.

ShowCase vBulletin Plugins by Drive Thru Online, Inc.