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2. Aircraft fuel system - Wikipedia

   en.wikipedia.org/wiki/Aircraft_fuel_system

   Typically, after the selector valve—situated at a low point in the fuel run—there is a gascolator — a fuel filter that can be opened on the ground and drained of fuel impurities denser than petroleum, mainly water and sediment. Other drainage points are in each tank (often more than one contaminant collection sump per tank) and at the ...

3. Drop tank - Wikipedia

   en.wikipedia.org/wiki/Drop_tank

   A 2,300-litre (600 US gal) Sargent Fletcher drop tank being moved across the flight deck of an aircraft carrier Bangladesh Air Force Chengdu F-7 carries a drop tank at under-fuselage hardpoint. In aviation, a drop tank (external tank, wing tank or belly tank) is used to describe auxiliary fuel tanks externally carried by aircraft. A drop tank ...

4. 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 ...

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. Auxiliary power unit - Wikipedia

   en.wikipedia.org/wiki/Auxiliary_power_unit

   The first German jet engines built during the Second World War used a mechanical APU starting system designed by the German engineer Norbert Riedel.It consisted of a 10 horsepower (7.5 kW) two-stroke flat engine, which for the Junkers Jumo 004 design was hidden in the engine nose cone, essentially functioning as a pioneering example of an auxiliary power unit for starting a jet engine.

7. Aircraft engine controls - Wikipedia

   en.wikipedia.org/wiki/Aircraft_engine_controls

   Fuel quantity gauge - Indicates the amount of fuel remaining in the identified tank. One per fuel tank. One per fuel tank. Some aircraft use a single gauge for all tanks, with a selector switch that can be turned to select the tank one wishes to have displayed on the shared gauge, including a setting to show the total fuel in all tanks.

8. Société d'Etudes pour la Propulsion par Réaction - Wikipedia

   en.wikipedia.org/wiki/Société_d'Etudes_pour_la...

   The tanks were air pressurised, the fuel tank by engine compressor bleed air and the oxidiser tank by ram air and additionally by the stored air bottle. Ram air was taken from the supersonic inlet boundary layer bleeds. [12] A single timer-controlled valve opened the stored air supply which then opened the pneumatic LP cocks.

9. Aircraft engine starting - Wikipedia

   en.wikipedia.org/wiki/Aircraft_engine_starting

   Sufficient airspeed is used to 'windmill' the compressor then fuel and ignition are switched on, an on-board auxiliary power unit may be used at high altitudes where the air density is lower. [ 16 ] During zoom climb operations of the Lockheed NF-104A the jet engine was shut down on climbing through 85,000 ft (26,000 m) and was started using ...