2:1 Halyard Head Shackle

Selden 2:1 Halyard Block
Screenshot 2022-03-18 143144
Selden 2:1 Halyard Diagram
Selden 2:1 Halyard Block
Screenshot 2022-03-18 143144
Selden 2:1 Halyard Diagram
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$154.80 – $349.20

: $172.00 – $388.00 (10 %)

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In order to achieve the desired performance of a top-down furling system when using a Code 0 or asymmetric spinnaker, the halyard load must be higher than what normal halyard boxes and stoppers can handle. Therefore, a 2:1 purchase is recommended to be used. The halyard is dead-ended at the mast (preferably with a swivel – we recommend EquipLite – to allow twist to be removed from the system) and run through a block attached to the top swivel of the furler before running to the mast sheave or block.