Tag Archives: first stage

SpaceX’s Falcon 9, the world’s first orbital class reusable two-stage rocket for transport of humans and cargo into Earth orbit and beyond deep space. Powered by nine Merlin engines using rocket grade kerosene (RP-1) and liquid oxygen as propellants held in aluminum-lithium alloy tanks, designed for recovery and reuse. Burning fuel decreases the rocket’s mass and changes vehicle dynamics near ...