CNC Sister Blocks 2*1/4mm - Walnut
Code: WAB-SISTERB-2-1/4Product detailed description
Sister Block is one pulley composed of two single blocks. Sister blocks - a double blocks used mainly in running rigging for sail trimming.
Instructions on how to select the correct blocks
Instructions on how to use the blocks
Table of block size and corresponding rope diameter
Height of blocks |
Diameter of rope |
Diameter of Amati ropes |
2,0 | 0,16 | 0,1 |
2,50 | 0,2 | 0,1 |
3,00 | 0,24 | 0,25 |
2,50 | 0,28 | 0,25 |
4,00 | 0,32 | 0,25 or 0,0,5 |
4,50 | 0,36 | 0,5 |
5,00 | 0,4 | 0,5 |
6,00 | 0,48 | 0,5 |
7,00 | 0,56 | 0,5 or 0,75 |
8,00 | 0,64 | 0,75 |
9,00 | 0,72 | 1 |
10 | 0,8 | |