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voyage data recorders
greater (dot matrix) resolution
Use correctly
A second transducer can make the process a lot easier
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Harken 1 Ton Twing Block Boat Etchells voyage data recordersThe new Twing block features a spring loaded side opening mechanism for true one handed rigging, even while wearing sailing gloves. Black anodized aluminum sideplates are edged with robust bumpers to protect the block, topsides, and deck. The sheave is aluminum rolling on a bearing system shared with Harken's existing 2. 3T high load snatch block. Specifications Sheave (mm) 38. 5 mm Sheave (in) 1 1 2 in Length (mm) 78 mm Length (in) 3 in Weight (g)
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