{"product_id":"ronstan-series-40-orbit-bb-double-block-with-becket-and-swivel-shackle-high-load-marine-pulley-system","title":"Ronstan Series 40 Orbit BB Double Block with Becket and Swivel Shackle - High Load Marine Pulley System","description":"\u003cp\u003e\u003cstrong\u003eSeries 40 Orbit BB Double Block with Becket  Swivel Shackle\u003c\/strong\u003e\u003c\/p\u003e\u003cp\u003eThe Series 40 ball-bearing Orbit Blocks provides the perfect balance of strength, performance, and reliability. They offer class-leading dynamic and static load ratings, the highest available in this size of performance blocks. Lightweight and strong toughened glass fiber reinforced nylon cheeks replace stainless steel straps used in traditional utility blocks - the perfect balance of performance and reliability.\u003cbr\u003e\u003cbr\u003eAs well as traditional single swivel blocks, the range includes single and double sheave lashing or soft attachment options through to multiple sheave blocks including those with quad and quin sheaves. The range is highly versatile allowing a multitude of possible systems right up to a 12:1 purchase mainsheet system for off-the-beach performance catamarans.\u003cbr\u003e\u003cbr\u003eSeries 40 Orbit Blocks are fitted with our carbon-reinforced C-Cleat for secure rope holding with low entry and exit efforts, and fairleads for fast action from any angle. Cleat arms are made from stainless steel and adjustable for setting your preferred cleating angle.\u003cbr\u003e\u003cbr\u003eBall Bearing versions incorporate our 2-stage bearing system using ball bearings to minimize friction and a secondary full-contact bearing to maintain low friction across the full working load range.\u003cbr\u003e\u003cbr\u003eHigh Load versions are designed specifically for any application where high dynamic or static loads are expected. They feature a high-strength grade 2205 stainless steel sheave  hub together with a triple bearing race to maintain low friction at very high loads.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFeatures:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eClass-leading dynamic and static load ratings\u003c\/li\u003e\n\u003cli\u003eLightweight, yet strong. Toughened, glass fiber reinforced nylon replaces stainless steel straps used in our traditional utility blocks\u003c\/li\u003e\n\u003cli\u003eLow friction 2-stage ball bearing system for efficient and effortless trimming\u003c\/li\u003e\n\u003cli\u003eSoft attachment, lashing and traditional swivel shackle head options\u003c\/li\u003e\n\u003cli\u003eLow profile and compact\u003c\/li\u003e\n\u003cli\u003eHigh performance cleating\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eMainsheet systems and spinnaker sheets on dinghies, off-the-beach catamarans and sportsboats to 8m (26ft)\u003c\/li\u003e\n\u003cli\u003eHalyard, vang and backstay applications on boats to 9m (30ft)\u003c\/li\u003e\n\u003cli\u003eControl line applications on larger yachts\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eSheave : 1-9\/16 in.\u003c\/li\u003e\n\u003cli\u003eMax. Rope : 3\/8 in.\u003c\/li\u003e\n\u003cli\u003ePin : 5\/32\"\u003c\/li\u003e\n\u003cli\u003eM.W.L.: 1320 lb.\u003c\/li\u003e\n\u003cli\u003eB. L.: 2650 lb.\u003c\/li\u003e\n\u003cli\u003eWeight: 4.6 oz.\u003c\/li\u003e\n\u003c\/ul\u003e \u003c!--- cis2:m2lumZRk ---\u003e\n\u003cp\u003eThe Ronstan Series 40 Orbit BB Double Block with Becket and Swivel Shackle offers a premium solution for demanding sailing applications. Designed with a focus on strength, performance, and reliability, this block features class-leading dynamic and static load ratings, making it suitable for a wide range of yacht systems. Its lightweight construction is achieved through toughened glass fiber reinforced nylon cheeks, which replace traditional stainless steel straps, providing a perfect balance of durability and weight savings.\u003c\/p\u003e \u003cp\u003eThis versatile block is equipped with a 2-stage ball bearing system that minimizes friction during operation, ensuring smooth and effortless trimming. The ball bearing design incorporates a secondary full-contact bearing to maintain low friction across the full working load range. The high load version features a 2205 stainless steel sheave hub with a triple bearing race, optimized for applications involving heavy static or dynamic loads. The inclusion of a carbon-reinforced C-Cleat allows for secure rope holding with low effort, while the fairleads enable quick action from any angle. The cleat arms are stainless steel and adjustable to set your preferred cleating angle, enhancing control and efficiency.\u003c\/p\u003e \u003cp\u003eThe Series 40 Orbit Blocks are highly adaptable, supporting various configurations including single and double sheave setups, soft attachment options, and multiple sheave arrangements such as quad and quin sheaves. These features make them suitable for both small dinghies and larger yachts, supporting systems like mainsheets, spinnaker sheets, halyards, vangs, and backstays. The compact, low-profile design ensures easy integration into existing systems without adding unnecessary bulk, while the high-performance cleating system improves handling and security.\u003c\/p\u003e \u003cp\u003eConstructed for demanding marine environments, the Ronstan Series 40 Orbit BB Double Block with Becket and Swivel Shackle combines innovative engineering with practical features. Its maximum rope capacity of 3\/8 inch and working load limit of 1,320 pounds make it a reliable component for a variety of sailing rigs. Weighing only 4.6 ounces, this block is lightweight yet robust, making it an ideal choice for performance-focused sailors seeking durability and efficiency in their deck hardware.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eClass-leading dynamic and static load ratings\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eLightweight yet strong with toughened, glass fiber reinforced nylon cheeks\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eLow friction 2-stage ball bearing system for smooth operation\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eIncludes soft attachment, lashing, and traditional swivel shackle head options\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eLow profile and compact design for versatile installation\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eHigh performance cleating system for secure rope hold\u003c\/li\u003e\u003c\/ul\u003e","brand":"Ronstan","offers":[{"title":"Default Title","offer_id":44528694755370,"sku":"97314","price":100.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/2285\/8794\/files\/97314XL.jpg?v=1783042012","url":"https:\/\/atticusgoods.com\/products\/ronstan-series-40-orbit-bb-double-block-with-becket-and-swivel-shackle-high-load-marine-pulley-system","provider":"Atticus Goods","version":"1.0","type":"link"}