Choosing Sailboat Blocks: A Buyer's Guide to Sheave, Bearing, and Working Load
Choose a block by matching four things to the job: sheave diameter to line diameter, bearing type to how the block is loaded and how often it moves, working load...
Sailboat Blocks & AttachmentsHow-To Guides
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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Single Blocks
When do you reach for a single block, and how do you size it? Learn how one sheave redirects a line or adds simple purchase, and how sheave diameter, attachment,...
