Grid Fin System
AssemblyFour cast-and-machined titanium lattice fins at the top of the booster that steer it through hypersonic and supersonic descent, the booster’s only aerodynamic control between the entry and landing burns. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Grid Fin System
2 top-level lines as of r141115| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Titanium Grid Fin 5 parts | reusable-launch-vehicle-grid-fin | 4× | 4 | 0 | assembly |
| 2 | Fin Hydraulic Power Unit 5 parts | reusable-launch-vehicle-fin-hydraulic-unit | 1× | 1 | 0 | assembly |