propellant-weight fraction

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• Propellant mass fraction — In aerospace engineering, the propellant mass fraction is a measure of a vehicle s performance, determined as the portion of the vehicle s mass which does not reach the destination. In a spacecraft, this is an orbit, while for aircraft it is… …   Wikipedia

• Fuel fraction — An aircraft s fuel fraction, fuel weight fraction, [cite book | last = Brandt | first = Steven | title = Introduction to Aeronautics: a Design Perspective | publisher = AIAA (American Institute of Aeronautics Ast | pages = p. 359 | year = 2004 |… …   Wikipedia

• Rocket propellant — is mass that is stored, usually in some form of propellant tank, prior to being used as the propulsive mass that is ejected from a rocket engine in the form of a fluid jet to produce thrust.Chemical rocket propellants are most commonly used,… …   Wikipedia

• Single-stage-to-orbit — The VentureStar was a proposed SSTO spaceplane. A single stage to orbit (or SSTO) vehicle reaches orbit from the surface of a body without jettisoning hardware, expending only propellants and fluids. The term usually, but not exclusively, refers… …   Wikipedia

• Rocket — This article is about vehicles powered by rocket engines. For other uses, see Rocket (disambiguation). A Soyuz U, at Baikonur Site 1/5 A rocket is a missile, spacecraft, aircraft or other vehicle which obtains thrust from a rocket engi …   Wikipedia

• Rocket engine — RS 68 being tested at NASA s Stennis Space Center. The nearly transparent exhaust is due to this engine s exhaust being mostly superheated steam (water vapor from its propellants, hydrogen and oxygen) …   Wikipedia

• Spacecraft propulsion — A remote camera captures a close up view of a Space Shuttle Main Engine during a test firing at the John C. Stennis Space Center in Hancock County, Mississippi Spacecraft propulsion is any method used to accelerate spacecraft and artificial… …   Wikipedia

• Scramjet — Part of a series on Aircraft propulsion Shaft engines (to drive pr …   Wikipedia

• Reusable launch system — A reusable launch system (or reusable launch vehicle, RLV) is a launch system which is capable of launching a launch vehicle into space more than once. This contrasts with expendable launch systems, where each launch vehicle is launched once and… …   Wikipedia

• Reaction Engines Skylon — In aerospace, Skylon is a proposal by Reaction Engines Limited (managed by British rocket scientist Alan Bond) for a single stage, turbojet based, airbreathing orbital spaceplane.The vehicle would be a hydrogen powered aircraft that would take… …   Wikipedia

• Agni missile system — Infobox Weapon is missile=yes name=Agni I/Agni II/Agni III/Agni IV caption= origin= IND type=Medium Range Ballistic Missile (Agni I) Intermediate Range Ballistic Missile (Agni II, Agni III) Intercontinental Ballistic Missile (Agni IV) used by=… …   Wikipedia