231 AIR WINCH 500 Air winch 500 RC44 © Max Ranchi Air winch 250 Air winch 550 Air winch 180 Air winch 300 Air winch 600 Air winch 500 Air winch 900 Check out what RC44 trimmers say about Air ® Winch 180s Air Winches Harken Air winches feature interchangeable gearing sets that give crews the flexibility to create a perfect blend of speed and power for each day’s weather and crew configuration. The winches, which features a nearly empty middle to reduce weight, are designed to be used on Ultims, SailGP foiling cats, IMOCA 60s, TP52s, RC44s, and other Grand Prix boats. The Air winch’s hollow middle is a first for sailing winches, as are the changeable gear kits. All Harken Air winch models feature interchangeable first-speed and second-speed options. The wide-diameter drums allow fewer wraps, faster trimming, and faster easing. Standard and counter-rotating versions are available. The winches have a low-profile design in multiple sizes and base designs. The 250 and 550 Air winches are exclusively pedestal or handle driven. The rest of the models may be driven by pedestal, handle, or powered by electric or hydraulic motor. Product not stocked. Contact Harken to request quote and lead time. NEW Gear ratio Power ratio 1 2 3 1 2 3 1.38:1 6.51:1 17.24:1 4.01:1 18.89:1 50.04:1 1.34:1 6.40:1 25.42.1 3.42:1 16.27:1 64.57:1 1.34:1 6.40:1 25.42.1 3.42:1 16.27:1 64.57:1 1.24:1 11.86:1 47.79:1 2.49:1 23.71:1 95.58:1 1.30:1 10.58:1 47.98:1 2.21:1 17.92:1 81.25:1 1.30:1 10.58:1 47.98:1 2.21:1 17.92:1 81.25:1 3.12:1 13.11:1 67.17:1 4.34:1 18.25:1 93.48:1 Part No. Height Weight Line Ø Line entry height Fastener circle Fasteners Ø Drum Ø Base Min Max in mm in mm in mm lb kg in mm in mm in mm in mm mm Air winch 180 6 7/8 175 9 1/32 229 5 19/32 142 14.1 6.4 3/16 5 3/8 10 1 15/16 50 Air winch 250 7 7/8 200 10 21/32 271 5 3/4 146 16.1 7.3 3/16 5 3/8 10 1 15/16 50 Air winch 300 7 7/8 200 10 21/32 271 6 1/32 153 17.0 7.7 3/16 5 3/8 10 2 1/4 57 8 9/32 210 5 x M8 10 254 12 11/16 322 6 23/32171 26.24 11.9 5/16 8 9/16 14 2 7/16 62 10 1/4 260 12 x M8 Air winch 550 11 13/16 300 14 15/16 380 6 7/8 174 27.3 12.4 1/4 6 1/2 12 2 7/16 61 Air winch 600 11 13/16 300 14 15/16 380 7 3/16 182 32.6 14.8 1/4 6 1/2 12 2 3/4 69 12 13/16 325 7 x M10 Air winch 900 14 3/8 365 18 1/8 460 10 1/8 257 70.6 32 3/8 10 7/8 22 3 5/8 92 16 7/16 417 10 x M12
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