Merlin 1Dvac
Engine
Original archive entry. The text, images and links below are kept as they were written.
SpaceX LOx/Kerosene rocket engine. Hardware. Version of the Merlin 1D for upper stage use, with an expansion nozzle greater than 117 resulting in a specific impulse said to be 340 seconds but probably even greater based on the vehicle performance.
Propellant Formulation: Lox/RP-1. Chamber Pressure: 96 bar. Area Ratio: 120. Thrust to Weight Ratio: 150.