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Ronstan
Ronstan Two-speed Mainsheet System, Ratchet, 2 Speed, 6:1, 3:1
    Code: RONRF72700
    Original Price: $1,119.95
    Price: $951.96
    Currency:
    Quantity in Basket: None
    Quantity:
    Specifications
    Imperial Metric
    Sheave Dia. 3" + 2" 75 mm + 50 mm
    Max. Rope Dia. 3/8" 10 mm
    Maximum Working Load 1760 lb 800 kg
    Breaking Load 3750 lb 1700 kg
    Weight 49.9 oz 1415 g

    Product Description

    The patented extruded hole design, in conjunction with the groove profile of the sheave, provides a more powerful grip than conventional designs - up to 18:1 holding power. Unrivalled low weight is achieved by the use of a Torlon® ratchet pawl, high grade machined alloy sheave and black Acetal hubs and bearings. On-Off switching knob is fitted to both sides of the swivel blocks (one can be removed if desired), and for foot blocks simply turn the sheave upside down before installation to change the sense of rotation. Unique On-Off switch mechanism can be operated under load. Ratchet blocks can be disassembled for servicing or customisation.Removable becket pins allow lines to be pliced prior to fitting. Saddle on under side of cleat can be used as a becket take off point for the creation of a powerful 6:1 purchase system. A single block can be attached to the saddle to increase this to 7:1.

    • Coarse and and fine tuning purchase system.
    • Unrivalled 18:1 holding power.
    • Dual sided On-Off switch.
    • Low friction ball bearing system.
    • Lightweight.
    • Cheek cut-outs for easy bearing maintenance.
    • Carbon Black Acetal ball bearings.
    • U.V. stabilised Acetal sheaves, alloy ratchet sheaves.
    • Alloy cheeks.
    • Adjustable cleat arms.

    Applications:
    Mainsheets on sportsboats and keel boats to 12 m (40 ft), mainsheets on sportsboats and keelboats to 12 m (40'), max. mainsail area, END boom sheeting = 38 sq m (409 sq ft), max. mainsail area, MID boom sheeting = 23sq m (248 sq ft).

    Part Number: RF72700


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