Ronstan Series 40 Ratchet Orbit Block™ - Single - Auto - Swivel Shackle Head
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B Series 40 Ratchet Orbit Block 153 - Single - Auto - Swivel Shackle Head B br br B Automatic Ratchet B br With automatic models 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 br br B Awesome Ratchet Block Holding Power B br Quite simply Ronstan Ratchet Orbit Blocks 153 have the highest holding power available The sophisticated NC-machined sheave features Generation 2 of our sheave cross-hole geometry The Series 40 delivers up to 14 1 holding power almost double that of our nearest competititor br br The unique sheave design has 8 gripping faces which directly resist loaded line movement Traditional designs have 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 br br B Simple and Secure Attachment B br The Dyneema reg 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 br br The system is compatible with Dyneema reg Spectra reg strops webbing and carbon connection points - much more so than steel loop tops or shackles br br B Smooth Easing of Sheets B br With auto models the sheet runs out smoothly and freely as soon as the ratchet mechanism disengages br br B Low Profile Stand-Up Kit Allows 0 153 or 90 153 Alignment B br Stand-up kits feature a clatter-free rubber boot You can attach the Dyneema reg link so that the block is aligned with the stand-up base or across it Its a neat low-profile solution which allows full articulation br br B Features B br UL LI Up to 14 1 holding power - highest available br LI Smooth easing of sheets br LI Fully Automatic load sensing ratchet engagemen br LI Swivel shackle head for unlmited block rotation br LI Stainless steel shackle head for ultimate durability and compatibility with harsh fixing points LI UL br br B Applications B br UL LI Dinghy mainsheet systems br LI Mainsheet fine tune systems on sportsboats small keel boats br LI Mainsheet systems on sportsboats using RF7 mainsheet swivel cleat unit br LI Spinnaker and job sheets on dinghies - especially modern asymmetric classes br LI Control line applications on larger yachts LI UL br br B Materials B br UL LI Sheave Hard anodised Aluminium br LI Ball Bearings High compression strength carbon black Acetal br LI Frame Cheeks Toughened glass fiber reinforced Nylon br LI Rope Link UV stabilized multi-strand impregnated SK75 Dyneema reg LI UL br br B Specifications B br B Sheave 216 B 40mm 1-9 16 br B Max Rope 216 B 9mm 5 16 br B M W L B 175kg 385lbs br B B L B 500kg 1 100lbs br B Weight B 44g 1 5oz --- cis2 mmxtmJVt --- br
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