6:1 purchase system with 60 mm blocks and 35 meters of spliced Liros Hercules rope Ø 10 mm
ROPE PURCHASE
When sailing, there are a wide range of lines and trim systems that need to handle the sails optimally. Here, the purchase and aids must be carefully balanced so that one can pull quickly enough and with the right amount of force. When you create a purchase on a rope, it is like adding a gear ratio. Every time you add an extra gear ratio, it becomes easier to pull, but you have to pull a correspondingly longer distance to achieve the same effect as before.
MAINSAIL PURCHASE
A mainsheet is used to control the boom of the mainsail. There are many options for how this can be solved, but on smaller boats, you most often see a so-called triple block at each end. One on the boom and one on the cockpit floor or the traveler in the boat. The lower one has a cam cleat on it so that the rope can be locked.
OTHER PURCHASES
Other places where you often use purchases can be on the backstay or the boom vang. Here, it again depends on what hardware you have available and what force is required.
