1156 Equipment LEWMAR 68 LEWMAR Synchro blocks Simple and reliable blocks, the result of careful design, ensure low friction, lightness, and durability. Blocks without balls used in applications with high static workloads: halyards, mainsail systems, deck and masthead leads, vangs. The composite sheave slides on a 'Freespin' bushing made of synthetic material, while the cheeks designed to guide the rope correctly in any usage condition are stiffened by an internal steel structure. The head can rotate freely or be quickly locked in two positions. All models are compatible with Lewmar bases and eye bolts. LEWMAR Synchro block (50 - 60 - 72 - 90 mm) Type 50 Ø sheave 60 Ø sheave 72 Ø sheave 90 Ø sheave Code Maximum workload For optimal/maximum ropes mm Code Maximum workload For optimum ropes/max mm Code maximum working load For optimum ropes/max mm Code maximum working load For optimum ropes/max mm Single 68.301.51 800 8/10 68.301.61 800 8/10 68.301.71 800 8/10 68.301.91 800 8/10 Single with fork head 68.321.51 1100 10/12 68.321.61 1100 10/12 68.321.71 1100 10/12 - 1100 10/12 Single with groove 68.304.51 800 8/10 68.304.61 800 8/10 68.304.71 800 8/10 68.304.91 800 8/10 Double 68.302.51 1100 10/12 68.302.61 1100 10/12 68.302.71 1100 10/12 - 1100 10/12 double with rope guide 68.305.51 800 8/10 68.305.61 800 8/10 68.305.71 800 8/10 - 800 8/10 Triple 68.303.51 1100 10/12 68.303.61 1100 10/12 68.303.71 1100 10/12 - 1100 10/12 Single with cleat and throttle 68.309.51 450 6/10 - 450 6/10 - 450 6/10 - 450 6/10 Triple with cleat and stopper 68.310.51 450 6/10 68.310.61 450 6/10 68.310.71 450 6/10 - 450 6/10 Violin block 68.331.51 1100 10/12 68.331.61 1100 10/12 68.331.71 1100 10/12 - 1100 10/12 Like a violin with a choke 68.337.51 450 6/10 68.337.61 450 6/10 68.337.71 450 6/10 - 450 6/10 Violin block with cable pull 68.334.51 1100 10/12 68.334.61 1100 10/12 68.334.71 1100 10/12 - 1100 10/12 Like a violin with intake and choke 68.339.51 450 6/10 68.339.61 450 6/10 68.339.71 450 6/10 - 450 6/10 \ 68.301.xx \ 68.302.xx \ 68.303.xx \ 68.304.xx \ 68.305.xx \ 68.309.xx \ 68.310.xx \ 68.321.xx \ 68.331.xx \ 68.334.xx \ 68.337.xx \ 68.339.xx \ 68.361.61 \ 68.364.61 LEWMAR Synchro footblock Code Type Ø of the pulley Max working load kg Breaking load kg Fixing 68.361.61 Single deflection 60 mm 800 1600 162 2 pins of 8 mm 68.364.61 Single deflection with block 60 mm 800 1600 190 2 pins of 8 mm 68.361.71 Single deflection 72 mm 1200 2400 229 2 pins of 8 mm 68.364.71 Single deflection with block 72 mm 1200 2400 250 2 pins of 8 mm 68.361.91 Single deflection 90 mm 2000 4000 430 2 x 10-mm pins LEWMAR Synchro quick-release snap shackle Designed for Synchro control blocks, it turns any block with shackle into a an easily removable block. 100% stainless steel. Code For blocks from mm Max working load kg Breaking load kg Ø pin mm 68.940.50 50 450 900 4 68.940.60 60 800 1600 5 68.940.72 72 1100 2200 6 68.940.90 90 2000 4100 9.5
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