Reusable Booster Stage
AssemblyFirst stage that burns for ~160 s, separates near 2 km/s, then flies itself back through entry and landing burns to touch down on four legs, carrying roughly ten tonnes of hardware that exists only for recovery. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Reusable Booster Stage
9 top-level lines as of r141095| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Reusable Booster Engine 9 parts | reusable-launch-vehicle-engine | 9× | 9 | 0 | assembly |
| 2 | Booster LOX Tank (Subcooled) 5 parts | reusable-launch-vehicle-lox-tank | 1× | 1 | 0 | assembly |
| 3 | Booster RP-1 Tank (Chilled) 5 parts | reusable-launch-vehicle-rp1-tank | 1× | 1 | 0 | assembly |
| 4 | Octaweb Thrust Structure 4 parts | reusable-launch-vehicle-octaweb | 1× | 1 | 0 | assembly |
| 5 | Propellant Feed System 6 parts | orbital-launch-vehicle-feed-system | 1× | 1 | 0 | assembly |
| 6 | Landing Gear Set 3 parts | reusable-launch-vehicle-landing-gear | 1× | 1 | 0 | assembly |
| 7 | Grid Fin System 2 parts | reusable-launch-vehicle-grid-fin-system | 1× | 1 | 0 | assembly |
| 8 | Booster Cold-Gas RCS 3 parts | reusable-launch-vehicle-booster-rcs | 1× | 1 | 0 | assembly |
| 9 | Re-entry Base Heatshield 3 parts | reusable-launch-vehicle-base-heatshield | 1× | 1 | 0 | assembly |