liftoff engine
61Pogo oscillation — is the term for a potentially dangerous type of oscillation found in rocket engines. This oscillation results in variations of thrust from the engines, generally caused by variations in fuel flow rate, and placing stress on the frame of the… …
62Gravity turn — A gravity turn or zero lift turn is a maneuver (see trajectory optimization) used in launching a spacecraft into, or descending from, an orbit around a celestial body such as a planet or a moon. This launch trajectory offers two main advantages… …
63Model rocket — A typical model rocket during launch A model rocket is a small rocket that is commonly advertised as being able to be launched by anybody, to, in general, low altitudes (usually to around 100–500 m (300–1500 ft) for a 30 g (1 oz.) model) and …
64Apollo Lunar Module — The Apollo Lunar Module was the lander portion of the Apollo spacecraft built for the US Apollo program by Grumman to achieve the transit from cislunar orbit to the surface and back. The module was also known as the LM from the manufacturer… …
65PGM-17 Thor — SM 75/PGM 17A Thor A Thor intermediate range ballistic missile. Type Intermediate Range Ballistic Missile (IRBM) Place of origin …
66List of accidents and incidents involving airliners by location — This list of accidents and incidents on airliners by location summarizes airline accidents by country location, airline company with flight number, date, and cause. It is also available grouped * by year as List of accidents and incidents… …
67Space Shuttle external tank — A Space Shuttle External Tank (ET) is the component of the Space Shuttle launch vehicle that contains the liquid hydrogen fuel and liquid oxygen oxidizer. During lift off and ascent it supplies the fuel and oxidizer under pressure to the three… …
68SM-64 Navaho — Navaho missile on launch pad Navaho on display at …
69Nationwide Airlines — This article is about the defunct South African airline. For the existing Zambian airline, see Nationwide Airlines (Zambia). Nationwide Airlines IATA CE ICAO NTW …
70Delta IV — This article is about the rocket. For the submarine see Delta class submarine. Delta IV (Delta 9000) Delta IV Medium launch carrying DSCS III B6 Function Orbital launch vehicle Manufacturer Boeing …
