Rocket stage
Falcon 9 second stage
Rockets
Overview
The expendable Falcon 9 upper stage, powered by a single vacuum-optimized Merlin engine.
Components & hardware
Engines
Propellants
Knowledge connections
- Stage ofFalcon 9
- Powered byMerlin 1D
- Uses propellantRP-1 / LOX
Sources
The primary and reference sources this topic draws on.
- SpaceXSpace Exploration Technologies Corp.
Falcon 9, Falcon Heavy, Starship, and the Merlin/Raptor engines — manufacturer specifications and launch data.