277 4:1 5:1 6:1 2:1 2:1 A B E D C A B C D A E F B C D A F G B C D E A B C 2:1 Internal: Suitable for dinghies or small keelboats. A flexible cable shackles to the sail and enters the boom through a wire block. Placing a block aft of the cleat allows the crew to pull from a variety of positions. 4:1 External Cascade: A simple external outhaul system. A cascade of two 2:1 tackles produces a 4:1 advantage. 5:1 Internal: This 5:1 internal outhaul is popular on small offshore boats. 6:1 Internal: A 6:1 internal outhaul system is popular on small-to-medium-sized offshore boats using a traveler car to carry the clew of the mainsail. 2:1 Furling Main: Mainsails that furl into the mast are loose-footed and usually have a ball bearing outhaul car that rides the length of the boom. The outhaul starts at the car, leads through the clew block on the sail, back to the sheave on the car, and into the boom where it leads to a winch. Outhaul Systems Typical boat length: Small Boat: 6.7 - 8.5 m (22 - 28') Midrange: 8.8 - 10.4 m (29 - 34') Big Boat: 10.7 - 12.8 m (35 - 42') Diagram Small Boat Midrange Big Boat Ref. Description Part No. Part No. Part No. 2:1 Internal A Through-deck 106 302 306 B Single 348 2650 2152 C Through-deck 1200 1202 1203 D Cam cleat 468 150 150 E Single 349 2149 2149 4:1 External Cascade A Eyestrap 281 137 1558 B Cheek 350 2644 2606 C Single 2146 2148 2152 D Cam cleat 468 365 150 5:1 Internal A Eyestrap 201 137 1558 B Fiddle 2655 2621 2690 C Fiddle 2656 2622 2691 D Through-deck 1200 1202 1203 E Through-deck 1200 1200 1200 F Cam cleat 468 150 150 6:1 Internal A Eyestrap 201 137 1558 B Double 407 343 2639 C Triple 408 344 2640 D Traveler 2727 T2701B T2701B.HL E Through-deck 1200 1202 1203 F Through-deck 1200 1200 1200 G Cam cleat 468 150 150 2:1 Furling Main A Clew block 371 — — B Traveler G222B 1648 3076 C Through-deck 1200 1202 1203 Part numbers represent hardware most commonly used.
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