Harken Single with 150 Cam-Matic 57mm
The Carbo Ratchamatic is a
load-sensing ratchet block that rolls freely in both directions under
low loads automatically engages the ratchet as loads increase. Shifting
between ratchet and light-air modes is seamless.
Unloaded main and jib sheets run freely
during mark roundings as asymmetrical spinnakers free instantly during
Ratchet engagement may be adjusted to a
higher or lower load according to strength and sailing style.
The Ratchamatic cheek block mounts on either
port or starboard.
The holding power of the 57 mm is as high as
For the ultimate system, mount a
Ratchamatic® on the boom above a cockpit-mounted switchable ratchet to
allow the mainsheet to run freely in light air and to double holding
power in heavy air.
Main / Jib sheets.
Sheave dia: 57 mm
Length: 103 mm
Weight*: 266 g
Shackle pin dia.: 5 mm
Max line: 10 mm
Max working load: 136 kg
Breaking load: 340 kg
Holding power w/180 degree wrap: 23 kg 10:1
* Weight with shackle
**Includes RH fasteners and mounting pad.
***Maximum working loads and breaking loads
for blocks based on cam strengths.