Harken 57mm Carbo Double Ratchamatic Block Swivel
Harken 57mm Carbo Double Ratchamatic Block Swivel
The Carbo Ratchamatic is a load-sensing ratchet block that rolls freely in both directions under low loads and automatically engages the ratchet as loads increase. Shifting between ratchet and light-air modes is seamless. Use the 2634 with a 402 or 403 swivel arm for a versatile two-speed mainsheet system.
Technical Description
| Sheave Ø (mm) | 57 mm |
| Sheave Ø (in) | 2 1/4 in |
| Length (mm) | 116 mm |
| Length (in) | 4 9/16 in |
| Weight (g) | 204 g |
| Weight (oz) | 7.2 oz |
| Maximum line Ø (mm) | 10 mm |
| Maximum line Ø (in) | 3/8 in |
| Shackle pin Ø (mm) | 6 mm |
| Shackle pin Ø (in) | 1/4 in |
| Maximum working load (kg) | 340 kg |
| Maximum working load (lb) | 750 lb |
| Breaking load (lb) | 1875 lb |
| Breaking load (kg) | 851 kg |
| Holding power | 10:1 |
Harken 57mm Carbo Double Ratchamatic Block Swivel
The Carbo Ratchamatic is a load-sensing ratchet block that rolls freely in both directions under low loads and automatically engages the ratchet as loads increase. Shifting between ratchet and light-air modes is seamless. Use the 2634 with a 402 or 403 swivel arm for a versatile two-speed mainsheet system.
Technical Description
| Sheave Ø (mm) | 57 mm |
| Sheave Ø (in) | 2 1/4 in |
| Length (mm) | 116 mm |
| Length (in) | 4 9/16 in |
| Weight (g) | 204 g |
| Weight (oz) | 7.2 oz |
| Maximum line Ø (mm) | 10 mm |
| Maximum line Ø (in) | 3/8 in |
| Shackle pin Ø (mm) | 6 mm |
| Shackle pin Ø (in) | 1/4 in |
| Maximum working load (kg) | 340 kg |
| Maximum working load (lb) | 750 lb |
| Breaking load (lb) | 1875 lb |
| Breaking load (kg) | 851 kg |
| Holding power | 10:1 |
Description
Harken 57mm Carbo Double Ratchamatic Block Swivel
The Carbo Ratchamatic is a load-sensing ratchet block that rolls freely in both directions under low loads and automatically engages the ratchet as loads increase. Shifting between ratchet and light-air modes is seamless. Use the 2634 with a 402 or 403 swivel arm for a versatile two-speed mainsheet system.
Technical Description
| Sheave Ø (mm) | 57 mm |
| Sheave Ø (in) | 2 1/4 in |
| Length (mm) | 116 mm |
| Length (in) | 4 9/16 in |
| Weight (g) | 204 g |
| Weight (oz) | 7.2 oz |
| Maximum line Ø (mm) | 10 mm |
| Maximum line Ø (in) | 3/8 in |
| Shackle pin Ø (mm) | 6 mm |
| Shackle pin Ø (in) | 1/4 in |
| Maximum working load (kg) | 340 kg |
| Maximum working load (lb) | 750 lb |
| Breaking load (lb) | 1875 lb |
| Breaking load (kg) | 851 kg |
| Holding power | 10:1 |
