What liquid-propellant rocket engine is made of
An engine on liquid fuel and oxidizer (Goddard; Tsiolkovsky’s idea).
- Centrifugal pump — has part. Turbopumps deliver the propellant.
- De Laval nozzle — has part. A nozzle.
- Tsiolkovsky rocket equation — uses. Rocket design relies on Tsiolkovsky’s equation.
- Hydrogen — uses. Hydrogen is an efficient fuel.