Page 18 - Harken

Ratchet Blocks Ratchet or

Carbo ratchet blocks allow sailors to hand-hold Ratchamatic?
loaded lines and offer balance between holding
power and controlled easing.
Nylon-resin sideplates are densely packed
with long-glass fibers for a compact block 2609
with a high strength-to-weight ratio. Machined 2608 2136
aluminum sheaves are Hard Lube-anodized for 2135 2671
strength and corrosion resistance. Eight facets 2135.RED 2670
hold line securely. Ball bearings, sheave, and
sideplates are UV-stabilized with carbon black On/off switch operates from both sides.
for maximum protection.
40 mm 2614
2137
The 40 mm ratchets are ideal for jib sheets and 2672
spinnakers where size and weight are critical. The
2608, 2609, and 2614 have on/off switches; other
40 mm ratchets are always in ratchet mode.
57 mm and 75 mm
The 57 mm and 75 mm switchable ratchets provide
precise control with an accessible on/off switch that
is easy-to-operate from both sides of the block.
For the ultimate system, mount a switchable All 57 mm and 75 mm ratchet blocks
ratchet in the cockpit and a boom-mounted are also available with Power3
Ratchamatic block directly above for double sheaves which offer holding power
holding power in heavy air and a free- options suitable for a variety of wind
running mainsheet when it’s light. The conditions. Contact Harken for more
75 mm provides up to 15:1 holding information.
power; the 57 mm 10:1. 2139
About Carbo Air blocks: see feature page
at beginning of this section. 2138

Switch locks shackle in front or side
positions, or lets block swivel to keep
line from twisting.
2610 2611

Sheave Shackle pin Max line Maximum Breaking
Part Ø Length Weight Ø Ø working load load
No. Description in mm in mm oz g in mm in mm lb kg lb kg
40 mm
2608 Single/swivel 1 9/16 40 3 3/8 86 1.7 49 5/32 4 3/8 10 300 136 1000 454
2609 Single/swivel/becket 1 9/16 40 4 102 1.8 52 5/32 4 3/8 10 300 136 1000 454
2610 Single/swivel/471 Carbo-Cam** 1 9/16 40 3 3/8 86 4.6 129 5/32 4 1/4 6 150 68 300 136
2611 Single/swivel/471 Carbo-Cam/becket** 1 9/16 40 4 102 4.7 132 5/32 4 1/4 6 300 136 600 272
2614 Cheek* 1 9/16 40 2 3/4 70 1.6 44 3/8 10 300 136 1000 454
57 mm
2135 / .RED Single/swivel 2 1/4 57 4 1/16 103 3 85 3/16 5 3/8 10 500 227 2000 907
2136 Single/swivel/becket 2 1/4 57 4 15/16 125 3.3 94 3/16 5 3/8 10 500 227 2000 907
2137 Cheek* 2 1/4 57 3 1/4 83 2.5 71 3/8 10 500 227 2000 907
2138 Single/swivel/150 Cam-Matic** 2 1/4 57 4 1/16 103 8.7 247 3/16 5 3/8 10 300 136 750 340
2139 Single/swivel/150 Cam-Matic/becket** 2 1/4 57 4 15/16 125 9 255 3/16 5 3/8 10 600 272 1500 680
75 mm
2670 Single/swivel 2 15/16 75 5 3/8 137 8 227 1/4 6 7/16 12 750 341 3000 1361
2671 Single/swivel/becket 2 15/16 75 6 1/2 165 8.75 248 1/4 6 7/16 12 750 341 3000 1361
2672 Cheek* 2 15/16 75 4 1/16 103 6.3 179 7/16 12 750 341 3000 1361
*Includes RH fasteners and mounting pad. **Maximum working loads and breaking loads for blocks based on cam strengths.
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