Rotary base/150 Cam-Matic

The load on a block is made up of the load on the sheet that runs through the block and a load factor that depends on the angle at which the sheet is deflected. For example, a deflection block that deflects a sheet by 180° has a load that corresponds to twice the sheet load. A halyard swivel that deflects the halyard by 30° has a load equivalent to only 52% of the halyard load. Ship types Most load formulas are based on monohull ships of medium displacement, min. rope Ø: 3mm, max. rope Ø: 12mm, hole spacing: 19 mm, use: 57mm/75mm/2.25"/3.00" with ratchet