Description
Harken 50 Hydraulic Self-Tailing Radial Bronze Winch 2 Speed, Vertical
Hydraulic Radial winches let you relax in luxury and trim any size sail with the push of a button. The self-tailing mechanism on the winch means that one crew member can quickly and easily trim or raise sails. High-strength composite roller bearings and bushings reduce friction under load. Load-carrying gears and pins are 17-4 PH stainless steel for strength, corrosion resistance. Motors attach to central drive shaft and drive through winch gears for two-speed mechanical advantage. Low-power first gear for fast trimming; higher-power second gear for fine-tuning loaded sheets. Efficient design allows smaller motor size.
Technical Description
| Material | Bronze |
| Speed | 2 |
| Drum Ø (mm) | 110 mm |
| Drum Ø (in) | 4 5/16 in |
| Base Ø (mm) | 194 mm |
| Base Ø (in) | 7 5/8 in |
| Height (mm) | 212 mm |
| Height (in) | 8 5/16 in |
| Weight of Winch and Motor (kg) | 17.9 |
| Weight of Winch and Motor (lb) | 39.5 |
| Motor weight (kg) | 7.5 kg |
| Motor weight (lb) | 16.6 lb |
| Line entry height (mm) | 97 mm |
| Line entry height (in) | 3 7/8 in |
| Minimum line Ø (mm) | 8 mm |
| Minimum line Ø (in) | 5/16 in |
| Maximum line Ø (mm) | 14 mm |
| Maximum line Ø (in) | 9/16 in |
| Fastener circle (mm) | 150 mm |
| Fastener circle (in) | 5 7/8 in |
| Fasteners (mm) | M8 SH mm |
| Fasteners (in) | 5/16 SH in |
| Number of fasteners | 5 |
| Gear ratio – 1 | 2.40 |
| Gear ratio – 2 | 10.90 |
| Power ratio – 1 | 10.90 |
| Power ratio – 2 | 50.40 |
| Available power | Hydraulic |
| Hydraulic L (mm) | 234 mm |
| Hydraulic L (in) | 9 1/4 in |
| Hydraulic N (mm) | 130 mm |
| Hydraulic N (in) | 5 1/8 in |
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