Harken blocks are lightweight, strong and free running. Below are answers to questions we're often asked on how to go about choosing the right hardware for your boat. .
RATCHET
Where should I use a ratchet block?
Ratchets come in Fiddles, single, and triple configurations. With and without beckets, and with and without cams. Ratchet blocks are perfect for mainsheet systems, jib sheets, vangs and backstays on everything from dinghies to large keelboats. Size is determined by load.
What is a Hexaratchet®?
A Hexaratchet® is a ratcheting block with a sheave that turns in only one direction when engaged. The ratcheting function con the eight-faced sheave can be turned on and off.
What is a Carbo Ratchamatic®?
The 57 mm Carbo Ratchamatic does not have a switch or knob to turn it on, but automatically engages when a predetermined load level is reached. You can easily adjust the amount of load needed to turn the ratchet on and off depending on wind conditions and your sailing style.
How do I adjust the Carbo Ratchamatic®?
You adjust it via a hole in the tread diameter of the sheave with an Allen Wrench 2.5 mm. The Inter 20 and J/24 guys love these blocks on jib sheets, spinnaker sheets and mainsheets.
The load on my jib is so high I can't hang on to my Beach Cat.
Is there a good way to manage this load?
What many cat sailors do is rig a
2625
Carbo Ratchamatic at the normal jib sheet block location and then install an eye strap on the front crossbeam about a third of the way in from the outboard ends of the front crossbeam and install a second
2625
Carbo Ratchamatic. These blocks are adjustable. You can set the block so the ratcheting function engages at a given load. Under light loads, the sheave rolls in either direction. When the wind is up, the ratchet engages immediately and aids in managing the sheet.
Copyright© 2008 Harken, Inc. All rights reserved
If you would like to link to or reprint this article please contact Brownie Lewis
