p strong Series 55 Ratchet Mount Orbit Block - Triple Becket Cleat Swivel strong p p strong Features strong p ul li Up to 20 1 holding power li li Smooth easing of sheets li li High performance cleating li ul p strong Automatic ratchet block strong p p Now you can enjoy the flexibility of setting up your ratchet blocks to suit yourself Ronstan is the only company that offers a ratchet block with both auto and manual engagement modes In the auto mode of the ratchet mechanism engages when load is applied but switches off when its released This lets the sheet run out smoothly and freely-great for rapid easing of the sheet and for gybing asymmetric spinnakers In manual mode the ratchet mechanism can be switched on or off as required This is the preferred mainsheet set-up for may top sailors Try the block in both modes and see which you prefer - you really cant go wrong p p Selected Series 55 models p p nbsp strong Awesome ratchet block holding power strong p p Quite simply Ronstan Ratchet Orbit Blocks trade have the highest holding power available The sophisticated NC-machined sheave features Generation 2 of our patented sheave cross-hole geometry Its holding power is up to 21 1 almost double that of our nearest competitor The unique sheave design has 12 gripping faces which directly resist loaded line movement Traditional designs have only 8 faces with an angled resistance to line movement Our Generation 2 design has straight resistance faces which both distribute the load and minimize rope wear These faces are offset from the radial line to draw the rope down into the gripping area when under load p p strong Applications strong p ul li Mainsheet systems and spinnaker sheets on dinghies catamarans sportsboats and small keel boats to 9m 30ft li li RF55410 when paired with a RF56330B and a RF35101 lashed to the becket produces a powerful 8 1 mainsheet system for use on catamarans to 5 5m 18ft This can be increased to 9 1 by replacing the RF35101 with a RF35202 li li Halyard vang and backstay applications on boats to 8m 26ft li li Control line applications on larger yachts li ul p strong Materials strong p ul li Sheave Anodized Aluminium li li Ball Bearings High compression strength carbon black Acetal li li Frame Cheeks Toughened glass fiber reinforced Nylon li li Rope Link UV stabilized multi-strand impregnated SK75 Dyneema reg li ul --- cis2 mmxtmJVt --- br
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