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The engine may be a cryogenic rocket engine, where the fuel and oxidizer, such as hydrogen and oxygen, are gases which have been liquefied at very low temperatures. Most designs of liquid rocket engines are throttleable for variable thrust operation. Some allow control of the propellant mixture ratio (ratio at which oxidizer and fuel are mixed).
"AFOSR and NASA Launch First-Ever Test Rocket Fueled by Environmentally-Friendly, Safe Aluminum-Ice Propellant". wpafb.af.mil. Archived from the original on August 27, 2009. Moseman, Andrew (September 11, 2009). "How to Make a (More) Environmentally Friendly Rocket Fuel". Popular Mechanics. Archived from the original on September 27, 2009.
Ammonium perchlorate composite propellant (APCP) is a solid rocket propellant.It differs from many traditional solid rocket propellants such as black powder or zinc-sulfur, not only in chemical composition and overall performance but also by being cast into shape, as opposed to powder pressing [broken anchor] as with black powder.
The major manufacturer of German rocket engines for military use, the HWK firm, [8] manufactured the RLM-numbered 109-500-designation series of rocket engine systems, and either used hydrogen peroxide as a monopropellant for Starthilfe rocket-propulsive assisted takeoff needs; [9] or as a form of thrust for MCLOS-guided air-sea glide bombs; [10 ...
It is called a "green" fuel because when combusted, AF-M315E transforms into nontoxic gasses. [12] The AF-M315E propellant, nozzles and valves are being developed by the Air Force Research Laboratory (AFRL), Aerojet Rocketdyne , and Glenn Research Center , with additional mission support from the USAF Space and Missile Systems Center and NASA's ...
Perchlorate, a chemical found in rocket fuel, has contaminated water and food and is more likely to be found in food given to babies and children, a study from Consumer Reports found.
The RS-88 (Rocket System-88) is a liquid-fueled rocket engine designed and built in the United States by Rocketdyne (later Pratt & Whitney Rocketdyne and then Aerojet Rocketdyne). Originally developed for NASA's Bantam System Technology program in 1997, the RS-88 burned ethanol fuel with liquid oxygen (LOX) as the oxidizer.
Perchlorate is a chemical compound with a variety of uses — and it’s indeed a component of rocket fuel, according to John D. Coates, Ph.D., director of the Energy & Biosciences Institute at ...