Derricking System
AssemblyBackstay tackle and winches that rake the A-frame to set outreach. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Derricking System
4 top-level lines as of r153455| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Backstay Member | shear-leg-crane-backstay | 2× | 2 | · | part |
| 2 | Derricking Winch 4 parts | shear-leg-crane-derrick-winch | 1× | 1 | 0 | assembly |
| 3 | Derricking Wire Rope | shear-leg-crane-derrick-rope | 1× | 1 | · | part |
| 4 | Backstay Sheave | shear-leg-crane-derrick-sheave | 4× | 4 | · | part |