Description

HARKEN Carbo Ratchamatic Pulley 57 mm | Automatic Load-Sensing Control
Experience a new level of sailing control and efficiency with the revolutionary HARKEN Carbo Ratchamatic Pulley 57 mm. A standout in the world of high-performance boat fitting, this block is engineered for sailors who demand precision, reliability, and reduced fatigue. Whether you are racing on a dinghy or sportboat, or cruising on a small keelboat, this pulley provides an intelligent solution to managing highly loaded lines like mainsheets and spinnaker sheets, allowing you to focus on your performance, not your equipment.
The genius of this block lies in its unique, responsive design. 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. This means in light, fickle winds, the sheave spins without resistance, offering you the sensitive feedback needed for optimal sail trim and to feel every subtle change in pressure. As a gust hits and the sheet load intensifies, the ratchet mechanism engages instantly and automatically. You gain significant holding power without having to do a thing, making it dramatically easier to hold the line and maintain control.
Effortless Performance and Unmatched Control
The HARKEN Carbo Ratchamatic is designed to be your silent partner on the water. Its automatic functionality eliminates the need to manually switch a ratchet on or off, ensuring you are always in the right mode for the conditions. This hands-free operation allows for quicker, more fluid reactions during maneuvers and in shifting winds. Engineered for high performance, this block features a lightweight yet incredibly strong design, reducing overall weight in your rigging system while ensuring long-lasting durability for season after season of demanding use. As a critical component in your system of Pulleys, this block offers a significant upgrade in both handling and efficiency. The impressive 10:1 holding power significantly reduces the physical effort required to manage sheets, saving your energy for tactics and endurance over long races or cruising days. It is the ideal upgrade for mainsheet, jib, and spinnaker systems.
Technical Specifications:
* Sheave Ø (mm): 57 mm
* Sheave Ø (in): 2 1/4 in
* Length (mm): 103 mm
* Length (in): 4 1/16 in
* Weight (g): 104 g
* Weight (oz): 3.7 oz
* Shackle pin Ø (mm): 5 mm
* Shackle pin Ø (in): 3/16 in
* Maximum line Ø (mm): 10 mm
* Maximum line Ø (in): 3/8 in
* Maximum working load (kg): 227 kg
* Maximum working load (lb): 500 lb
* Breaking load (kg): 907 kg
* Breaking load (lb): 2000 lb
* Holding power: 10:1