Boom & Mast
AssemblyA long lightweight lattice boom held up by suspension ropes running over a mast, with point sheaves at the tip that guide the hoist ropes. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Boom & Mast
6 top-level lines as of r49627| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Lattice Boom | dragline-boom-lattice | 1× | 1 | · | part |
| 2 | Mast (A-frame) | dragline-mast | 1× | 1 | · | part |
| 3 | Suspension Rope | dragline-suspension-rope | 4× | 4 | · | part |
| 4 | Boom-Point Sheave | dragline-boom-point-sheave | 2× | 2 | · | part |
| 5 | Fairlead | dragline-fairlead | 1× | 1 | · | part |
| 6 | Ball Bearing | ball-bearing | 4× | 4 | · | part |