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  2. Landing gear - Wikipedia

    en.wikipedia.org/wiki/Landing_gear

    The landing gear represents 2.5 to 5% of the maximum takeoff weight (MTOW) and 1.5 to 1.75% of the aircraft cost, but 20% of the airframe direct maintenance cost. A suitably-designed wheel can support 30 t (66,000 lb), tolerate a ground speed of 300 km/h and roll a distance of 500,000 km (310,000 mi) ; it has a 20,000 hours time between overhaul and a 60,000 hours or 20 year life time.

  3. Undercarriage arrangements - Wikipedia

    en.wikipedia.org/wiki/Undercarriage_arrangements

    A Boeing 747-400's main landing gear. Note the toes-up bias angle of the bogies on the wing gear, to ensure correct stowage upon retraction: 707, 720, 757, 767, 787: 10 wheels [1x2]+[2x4] A Boeing 757-200 from British Airways: 777: 14 wheels [1x2]+[2x6] A Boeing 777-200 from United Airlines.

  4. Primary life support system - Wikipedia

    en.wikipedia.org/wiki/Primary_Life_Support_System

    The interior of the Apollo PLSS Diagram of the A7L PLSS and OPS, with interfaces to the astronaut and the Lunar Module cabin. The portable life support system used in the Apollo lunar landing missions used lithium hydroxide to remove the carbon dioxide from the breathing air, and circulated water in an open loop through a liquid-cooled garment, expelling the water into space, where it turned ...

  5. Dream Chaser - Wikipedia

    en.wikipedia.org/wiki/Dream_Chaser

    The main landing gear was tested in a similar way in February 2012. The nose gear landing test was the last milestone to be completed before the free flight approach and landing tests scheduled for later in 2012. [45] In August 2012, SNC completed CCiCap Milestone 1, or the 'Program Implementation Plan Review'.

  6. Scaled Composites Stratolaunch - Wikipedia

    en.wikipedia.org/wiki/Scaled_Composites_Stratolaunch

    Stratolaunch has a twin-fuselage configuration, each 238 ft (73 m) long and supported by 12 main landing gear wheels and two nose gear wheels, for a total of 28 wheels. [17] The twin-fuselage configuration is similar to the Scaled Composites White Knight Two. [14] Each fuselage has its own empennage. [38]

  7. Space Shuttle orbiter - Wikipedia

    en.wikipedia.org/wiki/Space_Shuttle_orbiter

    The hydraulic pressure generated was also used to control all of the orbiter's flight control surfaces (the elevons, rudder, speed brake, etc.), to deploy the landing gear of the orbiter, and to retract the umbilical hose connection doors located near the rear landing gear, which supplied the orbiter's SSMEs with liquid hydrogen and oxygen from ...

  8. Spacecraft lander landing gear - Wikipedia

    en.wikipedia.org/?title=Spacecraft_lander...

    Language links are at the top of the page. Search. Search

  9. SpaceShipOne - Wikipedia

    en.wikipedia.org/wiki/SpaceShipOne

    The Scaled Composites Model 316, [2] known as SpaceShipOne, was a spaceplane designed to: . Carry three humans (one of them a pilot) in a sea-level pressurized cabin.; Be propelled by rocket from an altitude of 15 km (9.3 mi) to in excess of 100 km (62 mi).

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