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    75mm Carbo Ratchamatic Triple Block with Cleat

    Harken 75mm Carbo Ratchamatic Triple Block with Cleat

    C$429.00

    Product description

    75mm Ratchmatic Carbo Blocks

    The Carbo Ratchamatic® is a load-sensing ratchet block that rolls freely in both directions under low loads and automatically engages the ratchet as loads increase. Shifting between ratchet and light-air modes is seamless. Unloaded main and jib sheets run out freely during mark roundings and asymmetrical spinnakers free instantly during jibes.

    Use the 2634 with a 402 or 403 swivel arm for a versatile two-speed mainsheet system

    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 10:1. The 75 mm is up to 15:1.

    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.

    Use for:

    • Main/Jib Sheets
    • Asymmetric spinnakers

    Specifications:

    • Sheave Ø 75 mm | 2-15/16 in
    • Length 137 mm | 6-3/16 in
    • Weight 879 g | 31 oz
    • Shackle pin Ø 8 mm | 5/16 in
    • Maximum line Ø 12 mm | 7/16 in
    • Maximum working load 680 kg | 1500 lb
    • Breaking load 1700 kg | 3750 lb
    • Holding power with 180º wrap 50 lb (23 kg) 15:1

    Note Includes Fasteners and Mounting Pad

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