First Stage (Booster)
AssemblyBooster stage burning RP-1 and liquid oxygen for ~160 s, carrying nine engines, two integral propellant tanks and the thrust structure that reacts ~7,600 kN at liftoff. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for First Stage (Booster)
6 top-level lines as of r117524| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Booster Engine 7 parts | orbital-launch-vehicle-engine | 9× | 9 | 0 | assembly |
| 2 | First-Stage LOX Tank 5 parts | orbital-launch-vehicle-lox-tank | 1× | 1 | 0 | assembly |
| 3 | First-Stage RP-1 Tank 5 parts | orbital-launch-vehicle-rp1-tank | 1× | 1 | 0 | assembly |
| 4 | Thrust Structure (Octaweb) 4 parts | orbital-launch-vehicle-thrust-structure | 1× | 1 | 0 | assembly |
| 5 | Propellant Feed System 6 parts | orbital-launch-vehicle-feed-system | 1× | 1 | 0 | assembly |
| 6 | Base Heatshield 2 parts | orbital-launch-vehicle-base-heatshield | 1× | 1 | 0 | assembly |