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Ronstan
Ronstan Series 100 Orbit Block, Single
    Code: RONRF109100
    Original Price: $594.95
    Price: $505.71
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    Quantity in Basket: None
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    Specifications
    Imperial Metric
    Sheave Dia. 4" 100 mm
    Max. Rope Dia. 9/16" 14 mm
    Pin Dia. 5/16" 8 kg
    Maximum Working Load 7720 lb 3500 kg
    Breaking Load 15650 lb 7100 kg
    Weight 17.4 oz 492 g

    Product Description

    Orbit blocks™ are a no-compromise product range developed to meet the demands and expectation of the very dedicated and increasingly professional racing sailor. Side cheeks incorporating head structure and hub are precision machined as a single part from solid alloy, leaving material only where it contributes to the load carrying capacity of the block and eliminating the need for additional fasteners. The Orbit sheave has captive Acetal or Torlon® ball bearings for side thrust loads, eliminating the need for side retainer plates. This reduces weight and allows for a wider bearing surface that can accommodate longer Torlon® needles achieving a substantially higher strength-to-weight ratio.Head posts of swivel blocks can be locked at 0 or 90 degrees.

    • The highest strength-to-weight ratio.
    • Minimal friction loss, especially when working at high loads.
    • Simplicity of design and construction to facilitate maintenance and servicing.
    • Totally reliable and trouble free performance.
    • Lockable swivelling head post.
    • Fully machined Alloy cheek plates.
    • Alloy sheaves with captive ball races.

    Applications:
    Primary mainsheet, halyard and spinnaker systems on boats to 15 m (50 ft), secondary mainsheet, vang blocks on boats to 18 m (60 ft), backstay systems on boats to 14 m (46 ft), general control line and lead block applications on larger yachts.

    Part Number: RF109100


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