Starship SpaceX Wiki


Merlin Vacuum Space

Vacuum variant in flight

2 merlins

Sea level Variant, and Vacuum varint c. Everyday Astronaut.

Merlin is the Engine utilized on the Falcon Series of Rockets. It is still used on the Falcon 9 and Falcon Heavy, and previously powered Falcon 1. If Falcon 5 existed, it would've been powered by Merlin too. Due to the Mass and Size of Starship, SpaceX developed the Raptor Engine as the Succesor to the Merlin. However, there's speculation of a Merlin 2 being made.

Specifications[]

Specs of both Sea Level and Vacuum (Merlin 1D)
Values/variant Sea Level Vacuum
Thrust to weight ratio 96:1
Chamber pressure 6.77 MPa (982 psi)
Thrust 420 kN (94,000 lbf) 480 kN (110,000 lbf)
Specific impulse 275 s (2.70 km/s) 304.8 s (2.989 km/s)

List of engines[]

Engines ordered by Serial Number

List of Merlin engines (incomplete)
Serial Number First Spotted Vehicle Type Status Notes

Gallery[]