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Air winch 300

Part No. Air winch 300

Maximum line Ø (mm) 10 mm

Maximum line Ø (in) 3/8 in

Power ratio - 1 3.42:1

Power ratio - 2 16.27:1

Power ratio - 3 64.57:1

Harken Air winches feature a set of interchangeable gearing kits that give skippers the flexibility to create a perfect blend of speed and power for each day’s weather and crew configuration. The winches, which feature a nearly empty middle to reduce weight, were designed for trimming sails on AC foiling cats, IMOCA 60s, AC75s, TP52s and similar Grand Prix boats. The 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 300 model is designed for boats up to 17 m (56'). It features an anodized aluminum drum. All models can be driven by pedestal or handle. The 300 can also be powered by electric or hydraulic motor.
Drum Ø (mm)200 mm
Drum Ø (in)7 7/8 in
Base Ø (mm)271 mm
Base Ø (in)10 21/32 in
Height (mm)153 mm
Height (in)6 in
Weight (kg)7.7 kg
Weight (lb)17.0 lb
Line entry height (mm)57 mm
Line entry height (in)2 1/4 in
Minimum line Ø (mm)5 mm
Minimum line Ø (in)3/16 in
Maximum line Ø (mm)10 mm
Maximum line Ø (in)3/8 in
Fastener circle (mm)210 mm
Fastener circle (in)8 9/32 in
Gear ratio - 11.34:1
Gear ratio - 26.40:1
Gear ratio - 325.42.1
Power ratio - 13.42:1
Power ratio - 216.27:1
Power ratio - 364.57:1