Merlin 1г—1 Here

The consists of high-performance liquid rocket engines developed by SpaceX to power their Falcon 1 , Falcon 9, and Falcon Heavy rockets. Operating on a gas-generator open-cycle using RP-1 (rocket-grade kerosene) and liquid oxygen (LOX), they are renowned for their world-leading thrust-to-weight ratio and design for reusability. Key Variants and History

: The first to feature a regeneratively cooled nozzle and combustion chamber. It powered the first privately developed rocket to reach orbit (Falcon 1 Flight 4) and early Falcon 9 flights. Merlin 1Г—1

: The initial version used an expendable ablatively cooled carbon-fiber nozzle. It flew only twice on the Falcon 1 (2006–2007). Merlin 1Г—1