propellant mass 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

• Mass fraction — The mass fraction may refer to: Propellant mass fraction, in aerospace engineering, the amount of mass left behind such as the stages of rockets Payload fraction, also in aerospace engineering, characterizes the efficiency of the mass to be… …   Wikipedia

• Mass ratio — Astrodynamics Orbital mechanics Equations …   Wikipedia

• Mass driver — For fictional mass drivers, see List of electromagnetic projectile devices in fiction. Artist s conception of a mass driver for lunar launch A mass driver or electromagnetic catapult is a proposed method of non rocket spacelaunch which would use… …   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

• Ammonium perchlorate composite propellant — (APCP) is a modern solid rocket propellant used in both manned and unmanned rocket vehicles. It differs from many traditional solid rocket propellants such as black powder or Zinc Sulfur, not only in chemical composition and overall performance,… …   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

• India and weapons of mass destruction — India Nuclear program start date 1967 First nuclear weapon test 18 May 1974 (Smiling Buddha) …   Wikipedia

• Iran and weapons of mass destruction — This article is about Iran and weapons of mass destruction. For Iran s nuclear power program, see Nuclear program of Iran. Weapons of mass destruction …   Wikipedia

• Delta-v — For other uses, see Delta v (disambiguation). In astrodynamics a Δv or delta v (literally change in velocity ) is a scalar which takes units of speed. It is a measure of the amount of effort that is needed to change from one trajectory to another …   Wikipedia

• Falcon 1 — Infobox rocket imsize = 220 caption = Falcon 1 rocket. name = Falcon 1 function = Orbital launch vehicle manufacturer = SpaceX country origin = United States height = 21.3 m alt height = 70 ft diameter = 1.7 m alt diameter = 5.5 ft mass = 38,555… …   Wikipedia