Merlin 1D
Type: Lower Stage Engine and Upper Stage Variant
Country of Origin: United States
Manufacturer: SpaceX
First Flight:
Status: Active
Propellant (O/F): Liquid Oxygen/Kerosene
Mixture Ratio (O/F by mass):
Cycle: Gas-Generator
Chambers: 1
Thrust (vac.): 720 kN; 914 kN (Full Thrust); 934 kN (1D Vacuum)
Thrust (s.l.): 650 kN; 845 kN (Full Thrust)
Throttle: 40% to 100%
ISP (vac.): 311 s; 348 s (1D Vacuum)
ISP (s.l.): 282 s;
Chamber Pressure: 1410 psi
Nozzle Ratio: Vacuum Engine – 165:1
Burn time:
Ignitions: 1
Mass: 470 kg
Length: 3.4 m
Diameter:
Used in: Falcon 9
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