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TECH CORNER SPINNAKER POLE HANDLING & HALYARDS   SHOP NOW     Both race and cruising boats benefit from adjustable spinnaker pole cars. Racers need adjustability to ensure the pole’s inboard end is square to the horizon and to help with dip pole jibing. Cruisers need adjustability because they often store a spinnaker pole against the mast by raising the inboard end all the way up. Typical boat length: Small Boat: 22' - 28' (6.7 - 8.5 m) Midrange: 29' - 34' (8.8 - 10.4 m) Big Boat: 35' - 42' (10.7 - 12.8 m) Small Boat Mid- range Big Boat HARKEN PART NUMBER 2:1 Spinnaker Pole A 780 781 781 782 783 784 B 348 351 2650 2651 2650 098 2607 C 338 365 365 150 150 D 350 2644 109 2644 109 2606 E 073 137 201 073 137 201 073 137 201 1558 3:1 Spinnaker Pole A 780 781 782 783 784 B 341 348 340 2637 2650 2651 2637 2601 2607 C 338 365 365 150 150 D 350 2644 2644 2602 Spinnaker Halyard through Spar A 089 290 290 134 134 B 338 150 150 280 280 Pole Launcher A 340 348 2636 2650 2651 — — B 340 341 348 352 — — C 339 237 — — D 073 137 201 — —         2:1 Spinnaker Pole: An adjustable spinnaker pole car allows the inboard end of the pole to be moved under load. The most common spinnaker pole car adjuster system features an endless adjuster line and 2:1 controls.   3:1 Spinnaker Pole: 3:1 controls for an adjustable spinnaker pole car.           Spinnaker Halyard through Spar: Smaller offshore boats may mount a cam cleat below the spinnaker halyard exit so the crew at the mast can “jump” the sail when setting the spinnaker and then cleat the halyard on the mast. The cam also serves to hold the line should the sail fill prematurely.       Pole Launcher: Many of today’s race boats have asymmetrical spinnakers and retractable bowsprits. This system features a launcher line on top of the pole, with strong shock chord on the bottom to automatically retract the pole when the launcher line is uncleated.