liquid-hydrogen(-fueled) rocket engine
11Liquid rocket — A liquid rocket is a rocket with an engine that uses propellants in liquid form. Liquids are desirable because their reasonably high density allows the volume and hence the mass of the tanks to be relatively low, resulting in a high mass ratio.… …
12Hydrogen economy — The hydrogen economy is a proposed system of delivering energy using hydrogen. The term hydrogen economy was coined by John Bockris during a talk he gave in 1970 at General Motors (GM) Technical Center.[1] Hydrogen advocates promote hydrogen as… …
13Hydrogen vehicle — A hydrogen vehicle is a vehicle that uses hydrogen as its on board fuel for motive power. The term may refer to a personal transportation vehicle, such as an automobile, or any other vehicle that uses hydrogen in a similar fashion, such as an… …
14Hydrogen — This article is about the chemistry of hydrogen. For the physics of atomic hydrogen, see Hydrogen atom. For other meanings, see Hydrogen (disambiguation). ← hydrogen → helium …
15Delta IV rocket — Infobox rocket caption =Delta IV Medium launch carrying DSCS III B6 name =Delta IV (Delta 9000) function = Orbital launch vehicle manufacturer = Boeing IDS United Launch Alliance country origin = United States height =63 77.2 m alt height =206… …
16Airbreathing jet engine — An airbreathing jet engine (or ducted jet engine) is a jet engine propelled by a jet of hot exhaust gases formed from air that is drawn into the engine via an inlet duct. All practical airbreathing jet engines are internal combustion engines that …
17Viking (rocket) — The Viking 10 rocket, finally flown 7 May 1954. The Viking rocket series of sounding rockets were designed and built by the Glenn L. Martin Company (now Lockheed Martin) under the direction of the U.S. Naval Research Laboratory (NRL). Twelve… …
18Viking rocket — The Viking rocket series of sounding rockets were designed and built by the Glenn L. Martin Company (now Lockheed Martin) under the direction of the U.S. Naval Research Laboratory (NRL). A total of twelve Viking rockets flew from 1949 to 1955 [… …
19Delta (rocket family) — Delta Family The Delta rocket family. Role Expendable launch system with various applications …
20Delta rocket — Infobox Aircraft name=Delta Family caption=The Delta rocket family. type=Expendable launch system with various applications manufacturer=United Launch Alliance designer= first flight= introduced=1960 status=active primary user= produced= number… …
