Spacecraft
比冲
Specific impulse
Impulse per unit of propellant — an efficiency measure.
Hydrolox reaches about 450 s; kerolox about 310 s.
Related terms
- Reaction control system — Small thrusters that point a spacecraft.
- Docking — Two spacecraft joining in orbit.
- Spacewalk — A crew member working outside in vacuum.
- Life support — The system keeping air, water and temperature livable.