initial weight-to-payload ratio

См. также в других словарях:

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

• F-35 Lightning II — Infobox Aircraft name=F 35 Lightning II caption = The F 35 Lightning II takes off for its first flight at Naval Air Station Fort Worth Joint Reserve Base on 15 December 2006. type=Stealth multi role fighter manufacturers=Lockheed Martin… …   Wikipedia

• railroad — /rayl rohd /, n. 1. a permanent road laid with rails, commonly in one or more pairs of continuous lines forming a track or tracks, on which locomotives and cars are run for the transportation of passengers, freight, and mail. 2. an entire system… …   Universalium

• 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

• Boeing 787 Dreamliner — The first All Nippon Airways Boeing 787 (JA8 …   Wikipedia

• de Havilland Mosquito — DH.98 Mosquito The Mosquito B Mk XVI ML963 of 571 Squadron this aircraft was lost on an operation to Berlin in April 1945 …   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

• 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

• Non-rocket spacelaunch — Non rocket space launch (NRS) is a launch into space where some or all needed speed and altitude is provided by non rocket means, rather than simply using conventional chemical rockets from the ground. A number of alternatives to rockets have… …   Wikipedia

• Miniature UAV — An EMT Aladin of the German Army A miniature UAV or Small UAV (SUAV),[1] is an unmanned aerial vehicle small enough to be man portable. Miniature UAVs range from micro air vehicles (MAVs) that can be carried by an infantryman, to man portable… …   Wikipedia