Fibre Rope Basic Block Doughty's Recommended Sheave Sizes: 16mm fibre rope = 100mm diameter sheave 18mm fibre rope = 150mm diameter sheave 18mm fibre rope = 180mm diameter sheave However ABTT stipulate diameters not less than 8x for fibre rope.
Basic Pulley blocks: Click on the Fibre Rope Basic Block to select your basic block and add your preferred brackets which will be supplied fitted to your block.
Wire Rope Basic Block Doughty's Recommended Sheave Sizes: 4mm wire rope = 100mm diameter sheave 6mm wire rope = 150mm diameter sheave 6mm wire rope = 180mm diameter sheave However ABTT stipulate diameters not less than 30x for wire rope.
Basic Pulley blocks: Click on the Wire Rope Basic Block to select your basic block and add your preferred brackets which will be supplied fitted to your block.
Multibeam Girder Brackets 50x50x5mm angle brackets universally drilled and suitable for mounting your pulleys to grids with hook bolts or coach screws. (brackets will be supplied fitted to the pulleys of your choice)
Girder Brackets A drilled and slotted pressed channel supplied with Lindapters to fit RSJ's. (Supplied fitted to the pulleys of your choice).
Multifix Brackets & Parallel Tube Plates 30x30x3mm angle brackets 150mm long universal drilled and slotted. Supplied with or without 48mm diameter U bolts. Please note, if you require the pulleys to run parallel with the tube you will also need a parallel tube plate.
Side Plates To convert basic blocks to side mounting pulleys.
Awning Block A casting to convert basic pulleys to awning blocks. Takes a 12mm shackle. Currently these castings are unsuitable, in our opinion, for the double and quadruple blocks as the position of the casting makes them hang off plumb. Doughty are aware of the problem and a new design may be available soon. You can ring for more information - 020 7703 9786 ext 21
