Second Stage
AssemblyThe one part of the stack that is still thrown away: a single vacuum engine and short tank section that take over near 2 km/s and push the payload to orbital velocity. A full specification article for this item is being written. Meanwhile its bill of materials and connections are below.
Bill of materials for Second Stage
4 top-level lines as of r141131| # | Item / sub-assembly | Part no. | Qty/assy | Ext. qty | Parts | Type |
|---|---|---|---|---|---|---|
| 1 | Vacuum Engine 8 parts | reusable-launch-vehicle-vacuum-engine | 1× | 1 | 0 | assembly |
| 2 | Second-Stage Tank 5 parts | reusable-launch-vehicle-upper-tank | 1× | 1 | 0 | assembly |
| 3 | Propellant Feed System 6 parts | orbital-launch-vehicle-feed-system | 1× | 1 | 0 | assembly |
| 4 | Reaction Control System 3 parts | orbital-launch-vehicle-rcs | 1× | 1 | 0 | assembly |