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70 Self-Tailing Radial Chrome Winch — 3 Speed

70 Self-Tailing Radial Chrome Winch — 3 Speed

Part No. 70.3STC

Maximum line Ø (mm) 18 mm

Maximum line Ø (in) 11/16 in

Configuration Self-tailing

Speed 3

Power ratio - 1 9.00

Power ratio - 2 22.20

Power ratio - 3 72.00

The Radial winch drum’s gripping surface is shaped for each winch size and drum material and features diagonal ribs (rather than textured abrasive materials) to maximize gripping power and greatly reduce line wear. The self-tailing mechanism on the winch means that one crew member can quickly and easily trim or raise sails.
Height (mm)256 mm
Height (in)10 1/16 in
Weight (kg)16.6 kg
Weight (lb)36.6 lb
Fasteners (mm)M8 SH mm
Fasteners (in)5/16 SH in
Maximum line Ø (mm)18 mm
Maximum line Ø (in)11/16 in
ConfigurationSelf-tailing
Speed3
Drum Ø (mm)130 mm
Drum Ø (in)5 1/8 in
Base Ø (mm)240 mm
Base Ø (in)9 7/16 in
Line entry height (mm)115 mm
Line entry height (in)4 1/2 in
Minimum line Ø (mm)10 mm
Minimum line Ø (in)3/8 in
Fastener circle (in)8 1/8 in
Fastener circle (mm)205 mm
Number of fasteners6
Gear ratio - 12.30
Gear ratio - 25.70
Gear ratio - 318.50
Power ratio - 19.00
Power ratio - 222.20
Power ratio - 372.00
MaterialChrome
Available powerManual