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  2. Hybrid-propellant rocket - Wikipedia

    en.wikipedia.org/wiki/Hybrid-propellant_rocket

    The first work on hybrid rockets was performed in the early 1930s at the Soviet Group for the Study of Reactive Motion. Mikhail Klavdievich Tikhonravov, who would later supervise the design of Sputnik I and the Luna programme, was responsible for the first hybrid propelled rocket launch, the GIRD-9, on 17 August 1933, which reached an altitude of 400 metres (1,300 ft).

  3. Liquid rocket propellant - Wikipedia

    en.wikipedia.org/wiki/Liquid_rocket_propellant

    (Pressure stabilized tanks support most of the loads with internal pressure rather than with solid structures, employing primarily the tensile strength of the tank material. [ citation needed ] ) The Soviet rocket programme, in part due to a lack of technical capability, did not use liquid hydrogen as a propellant until the Energia core stage ...

  4. Wet wing - Wikipedia

    en.wikipedia.org/wiki/Wet_wing

    A wet wing (also referred to as integral fuel tanks [1]) is an aerospace engineering technique where an aircraft's wing structure is sealed and used as a fuel tank.. The use of wet wings has become common among civilian designs, from large transport aircraft, such as airliners, to small general aviation aircraft.

  5. Self-sealing fuel tank - Wikipedia

    en.wikipedia.org/wiki/Self-sealing_fuel_tank

    A self-sealing fuel tank (SSFT) is a type of fuel tank, typically used in aircraft fuel tanks or fuel bladders, that prevents them from leaking fuel and igniting after being damaged. Typical self-sealing tanks have layers of rubber and reinforcing fabric, one of vulcanized rubber and one of untreated natural rubber, which can absorb fuel when ...

  6. Fuel tank - Wikipedia

    en.wikipedia.org/wiki/Fuel_tank

    A fuel tank (also called a petrol tank or gas tank) is a safe container for flammable fluids, often gasoline or diesel fuel. Though any storage tank for fuel may be so called, the term is typically applied to part of an engine system in which the fuel is stored and propelled ( fuel pump ) or released (pressurized gas) into an engine .

  7. Aircraft fuel tank - Wikipedia

    en.wikipedia.org/wiki/Aircraft_fuel_tank

    Drop tanks, external tanks, wing tanks, pylon tanks or belly tanks are all terms used to describe auxiliary externally mounted fuel tanks. Drop tanks are generally expendable and often jettisonable. External tanks are commonplace on modern military aircraft and occasionally found in civilian ones, although the latter are less likely to be ...