auxiliary rocket engine
41Monocopter — design from Alphonse Papin and Didier Rouilly s 1914 patent. A monocopter or gyropter is a rotorcraft that uses a single rotating blade. The concept is similar to the whirling helicopter seeds that fall from some trees. The name gyropter is… …
42Sergei Korolev — Sergey Pavlovich Korolev Сергей Павлович Королёв Сергій Павлович Корольов Sergey Korolyov in Red Army uniform (1938). Born 12 January [O.S. 30 December 1906] 1907 …
43Ignition system — For other uses, see Ignition system (disambiguation). An ignition system is a system for igniting a fuel air mixture. Ignition systems are well known in the field of internal combustion engines such as those used in petrol (gasoline) engines used …
44Ullage motor — Ullage motors or Ullage engines are relatively small, independently fueled rocket engines that may be fired to accelerate the rocket prior to main engine ignition, when the vehicle is in a zero g situation.By Newton s laws of motion, these motors …
45Coandă-1910 — Coandă 1910 …
46North American FJ-4 Fury — FJ 4 Fury The last flying FJ 4 in United States Navy colors Role Fighter aircraft …
47Gas generator — A gas generator usually refers to a propellant mixture, often similar to a solid rocket propellant, that burns to produce large volumes of gas. It is similar to a rocket propellant, but is usually designed to produce large volumes of cool gas,… …
48MIM-104 Patriot — Patriot system of the German Luftwaffe Type Mobile Surface to air missile system Place of …
49A Martian Odyssey — Infobox short story | name = A Martian Odyssey author = Stanley G. Weinbaum country = flag|USA language = English series = Tweel genre = Science fiction short story published in = Wonder Stories publication type = Periodical publisher = Gernsback …
50Walter HWK 109-509 — The HWK 109 509 was a German liquid fuel bipropellant rocket engine that powered Messerschmitt Me 163 and Bachem Ba 349 aircraft. It was produced by Hellmuth Walter Kommanditgesellschaft.It used a two component hypergolic fuel/oxidizer… …
