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Working load: 350 kg
Breaking load: 700 kg
Thickness: 34 mm
KBO1 triple block with textile shackle The KBO is our range of versatile blocks. All models are fixed with textile shackles (supplied except KBO50). The KBO is available in single, double ...
Karver Systems
Working load: 450 kg
Breaking load: 900 kg
Thickness: 49 mm
KBO2 triple block with textile shackle The KBO is our range of versatile blocks. All models are fixed with textile shackles (supplied except KBO50). The KBO is available in single, double ...
Karver Systems
Working load: 900 kg
Breaking load: 1,800 kg
Thickness: 49 mm
KBO4 triple block with textile shackle The KBO is our range of versatile blocks. All models are fixed with textile shackles (supplied except KBO50). The KBO is available in single, double ...
Karver Systems
Working load: 420 kg
Breaking load: 1,750 kg
Weight: 103 g
... Steel straps Axle: - 316 stainless Steel Line size:5-10mm USAGER Mainsheet Systems Back Stay Sytems Control Lines Lead Blocks Vang Cascades Cunningham Systems
Holt
Working load: 400 kg
Breaking load: 850 kg
Weight: 62 g
Low friction High static and dynamic load capacity Lightweight Precision moulded Acetal sheaves running on stainless steel or Torlon® ball bearings provide high performance & low friction.Two-way head - can be fixed at 0 or 90 degrees Dinghy ...
Ronstan
Working load: 650 kg
Breaking load: 1,300 kg
Weight: 308 g
PLAIN BEARING BLOCK TRIPLE 405-001-07 Purchase: 6 Pin diam: 5 mm
Seldén Mast AB
Working load: 650 kg
Breaking load: 1,300 kg
Weight: 424 g
Comment: Becket can be opened, Cam cleat 38, Adjustable arm
Seldén Mast AB
Working load: 1,000 kg
Breaking load: 2,000 kg
Weight: 529 g
PLAIN BEARING BLOCK Comment: Becket can be opened
Seldén Mast AB
Working load: 2,000, 3,500, 800, 1,100 kg
... Lewmar HTX Hardware Range. Drawing upon the design of the Racing Range, the HTX blocks are constructed simply from high quality materials, providing enhanced reliability. HTX blocks are ideal for frequently ...
Lewmar
Working load: 2,200 kg
Breaking load: 4,400 kg
Lewmar Racing Blocks represent the pinnacle of our standard block range. Manufactured from the best materials, they offer incredible strength to weight ratios. Features Lockable head pin ...
Lewmar
Working load: 450, 800, 1,100, 2,000 kg
... swivel locking mechanism Applications Plain bearing blocks are typically used for heavy and static loads in: Halyard tuning Mainsheet systems Mast foot blocks Mast head blocks ...
Lewmar
Working load: 450 kg
Breaking load: 850 kg
Weight: 100 g
Triple block with spherical plain bearing and composite sides and sheaves
Rutgerson
Working load: 700 kg
Breaking load: 1,250 kg
Weight: 205 g
Triple block with spherical plain bearing and composite sides and sheaves
Rutgerson
Working load: 1,150 kg
Breaking load: 2,100 kg
Weight: 390 g
Triple block with spherical plain bearing and composite sides and sheaves
Rutgerson
Working load: 795 kg
Triple block with Stainless Steel cheeks. Works with 505-93 for a powerful 6:1 purchase. Swivel head may be locked in place with the adjustment of an set screw. Delrin(tm) sheaves ensure smooth operation ...
Working load: 480 kg
Breaking load: 900 kg
Thickness: 42 mm
... removed for maintenance Applications For dinghies and catamarans applications: genoa sheets, boom vang, footmast block, masthead block… For larger yachts: barber-hauler, cunnigham, various, control ...
Wichard
Working load: 212 kg
Breaking load: 850 kg
Weight: 123 g
... sheaves of high quality UV-resistant plastic bow/swivel: interchangeable = end-no. 00 riveted = end-no. 55 Versatile 10 mm block with bow (riveted). The dimensionally stable stainless steel tab shows the maximum ...
Working load: 320 kg
Breaking load: 650 kg
... bearing blocks on the market. The range is available with different types of accessories including lacing eyes, hooks, swivels and cleats. The range also features a central rivet that provides great options as a tie on ...
Allen Brothers
Working load: 130 kg
Breaking load: 450 kg
Weight: 115 g
Series 19 stainless steel ball bearing triple swivel becket and cam block, maximium line size 6mm, maximium working load 130kgs
Working load: 9,000 kg
Breaking load: 18,000 kg
Our High Performance blocks are developed with emphasis on design and strength. The blocks have aluminium ball bearing sheaves and are bolted together with allen screws for easy disassembling if needed. The ...
OH MARINE EQUIPMENT
Working load: 900 kg - 2,500 kg
Breaking load: 1,800, 5,000 kg
Center diameter: 8, 16 mm
BF-M®, the 3D Mickey-ring violin block is a set of 3 connection points, ideal for efficiently adjusting your 3D genoa draft point. Lightweight and compact, the multiaxial 3D violin block allows perfect ...
Working load: 700 kg
Breaking load: 1,200 kg
Weight: 100 g
» Aluminum matenal with high strength,delicacy appearance, longer block life » Preservative treatment » Delnn balls » Stainless steel accessories. Use for: Cunninghams Traveler controls Vangs Barberhaulers Outhauls Flag ...
Blue Shark Marine Ltd.
Working load: 300 kg - 1,000 kg
Our wooden blocks are specifically designed for traditional boats. Its are commonly called "Havraise blocks". Its are ash, copper riveted. The sheave is Céloron, the handle and shaft are in stainless ...
Esprit Yachting
Working load: 200 kg - 500 kg
Thickness: 16, 12, 20 mm
PLANETA turnkey block and tackle units complete with rope, hook and two keepers. Features: With forged hooks 2 rope blocks Electrogalvanized with three tubes Complete with laid ropes made of ...
A triple block has three sheaves, sometimes with metal or plastic ball bearings.
ApplicationsSuch blocks can be part of six- or seven-line tackle. This degree of mechanical advantage is particularly useful on downhauls, running backstays and wherever loads are especially heavy.
TechnologiesThe manner in which the lines are passed through the sheaves is essential. They must cross at the right place to avoid rubbing against each other. The final line must run over the middle sheave, which is aligned with the block's attachment point to ensure the most efficient distribution of the effort.
How to chooseThe line type and diameter, and the working load will determine the choice of block.
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