Liquid-propellant rocket engine
device · 1926 · Electric age
An engine on liquid fuel and oxidizer (Goddard; Tsiolkovsky’s idea).
What it is made of
- Centrifugal pump — has part. Turbopumps deliver the propellant.
- De Laval nozzle — has part. A nozzle.
Principles and materials it uses
- Tsiolkovsky rocket equation — uses. Rocket design relies on Tsiolkovsky’s equation.
- Hydrogen — uses. Hydrogen is an efficient fuel.
Where it is used
- Space Shuttle — is part of. Hydrogen-fuelled main engines.
- Lunar module — is part of. A descent engine.
- Reusable rocket — is part of. Liquid-propellant engines.
- Multistage rocket — is part of. Engines on every stage.
- R-7 rocket — is part of. RD-107 and RD-108 engines.
- Saturn V — is used in. All stages use liquid-propellant engines.
History: what it evolved from and what it influenced
- Rocket — evolved from. Goddard switched to liquid fuel.
What it is a kind of
- V-2 rocket — includes. A liquid-propellant engine.
- Multistage rocket — includes. Stages with liquid-propellant engines.