Rocket engine
Merlin 1D
Also known as Merlin
Rockets
Overview
SpaceX's reusable RP-1/LOX gas-generator engine; nine power each Falcon 9 first stage and twenty-seven power the Falcon Heavy, with a vacuum variant on the upper stage.
Components & hardware
Propellants
Powers
Knowledge connections
- PowersFalcon Heavy
- PowersFalcon 9 first stage
- PowersFalcon 9 second stage
- Built bySpaceX
- Uses propellantRP-1 / LOX
- PowersFalcon 9
- Associated withThrust-to-Weight Ratio
- Associated withThrust Vector Control
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.