What should I look for when buying mast sheaves?
A mast sheave is the wheel mounted inside the mast head (or partway down, for a mid-mast halyard exit) that the halyard runs over as it travels from the head...
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Choose blocks and attachments rated for your loads to build efficient, low-friction systems. Learn how sheave size, bearings, and lashing or shackle attachment affect performance.
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A mast sheave is the wheel mounted inside the mast head (or partway down, for a mid-mast halyard exit) that the halyard runs over as it travels from the head...
Ball-bearing blocks reduce friction for lines you actively trim; plain-bearing blocks carry higher loads with less maintenance. This guide compares both, with real specs from Harken Carbo, Ronstan Orbit, Selden...