b"Air Winches Air winch 250 aboard a TP52Harken Air winches feature interchangeable gearing sets that give crews the flexibility to create a perfect blend of speed and power for each days weather and crew configuration. The winches, which feature a nearly empty middle to reduce weight, are designed to be used on SailGP foiling cats, IMOCA 60s, AC75s, TP52s and other large Grand Prix boats. The Air winchs 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. Available in five models: 250, 300, 550, 600 and 900.The 250 and 300 models are designed for boats up to 17 m (56'). The 550 and 600 models are designed for boats up to 24.4 m (80') and theAir winch 250900 is made for boats over 24.4 m (80'). The 250 and 550 feature a high- Air winch 550performance ceramic coated white drum. The 300 and 600 versions of the winch feature an anodized aluminum drum, and the 900 drum is made of carbon fiber and anodized aluminum.The 250 and 550 are designed for new builds and are mounted in a unique way: the base of the winch is molded into the deck by the boatbuilder. The 300, 600 and 900 have a standard winch base that can be mounted on either new builds or retrofits.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. Air winch 300Air winch 600Air winch 900TP52Max RanchiPart Gear ratio Power ratioNo. 1 2 3 1 2 3Air winch 2501.34:16.40:125.42.13.42:116.27:164.57:1Air winch 3001.34:16.40:125.42.13.42:116.27:164.57:1Air winch 5501.30:110.58:147.98:12.21:117.92:181.25:1Air winch 6001.30:110.58:147.98:12.21:117.92:181.25:1 Air winch 9003.12:113.11:167.17:14.34:118.25:193.48:1LineLine entry FastenerPart Drum Base Height Weight Min Max height circle FastenersNo. in mm in mm in mm lb kg in mm in mm in mm in mm mmAir winch 25020010 21/322715 3/414616.17.33/1653/8101 15/1650 7 7/8 Air winch 3007 7/820010 21/32271615317.07.73/163/810578 9/322105 x M8 52 1/4 Air winch 55011 13/1630014 15/163806 7/817427.312.41/461/2122 7/1661Air winch 60011 13/1630014 15/163807 3/1618232.614.81/461/2122 3/46912 13/163257 x M10 Air winch 90014 3/836518 1/846010 1/825770.6323/8107/8223 5/89216 7/1641710 x M12 216"