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Ronstan Size 70 Ratchet Orbit BlocksRonstan
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RONRF2457 - Ronstan Stand-up Base, S70 BB & RT Orbit Blocks
Code: RONRF2457
Price: $12.70
RONRF76101 - Ronstan Series 70 RT Orbit Block, Single, Link Head
Code: RONRF76101
Price: $101.90
 

RONSTAN Orbit Blocks - Ratchet Size 70 - Overview


Automatic ratchet block. The auto mode of the ratchet mechanism engages when load is applied, but switches off when it's released. This lets the sheet run out smoothly and freely-great for rapid easing of the sheet and for gybing asymmetric spinnakers.

Awesome ratchet block holding power. Quite simply, Ronstan Series 70 Ratchet Orbit Blocks™ 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 competitior. The unique sheave design has 12 gripping faces which directly resist loaded line movement. Traditional designes 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 minimise rope wear. These faces are offset from the radial line, to draw the rope down into the gripping area when under load.

Simple and secure attachment. The Dyneema® Link is easily fitted and is retained securely by a moulded retainer clip. The flexible link can be left with one end attached to the block when fitting - no more lost shackle pins. The system is compatible with Dyneema®/Spectra® strops, webbing and caron connection points - much more so than steel loop tops or shackles.

Smooth easing of sheets. In auto mode, the sheet runs out smoothly and freely sas soon as the ratchet mechanism disengages. In manual mode, the sheave cross-hole geomtry eliminates the 'shuddering' run-out that you can expect from traditional v-groove ratchet blocks.


Ronstan Size 70 Ratchet Orbit Blocks


We at Mauri Pro Sailing are fully committed to be your Ronstan Size 70 Ratchet Orbit Blocks specialist not only providing the sailing community with a comprehensive and easy to use web site but with all the appropriate technical information that you might need to select your sailboat hardware and equipment. If you need any assistance selecting the appropriate Ronstan Size 70 Ratchet Orbit Blocks please contact us. Our crew is ready to help!

Pictures and text courtesy of the manufacturer.
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