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Gigantic Stratolaunch makes first rollout to conduct aircraft fueling tests; 7 things to know

Fri June 02 2017, 6:00 pm
  • Stratolaunch, launch roacket, Stratolaunch aircraft , Orbital Sciences Corp, Paul Allen, SpaceShipOne, Earth orbit, Microsoft co founder, Burt Ruta

    The Microsoft co-founder billionaire Paul G Allen's Stratolaunch, a massive aircraft designed to launch rockets into space from high altitude, has been rolled out of its hangar for the first time in preparation for testing. Airborne launches date back decades, most famously to the X-15 program of the 1950s and '60s, when manned rocket planes were carried aloft under the wing of a B-52 bomber and released on hypersonic research flights. In the 1990s, Orbital Sciences Corp. (now Orbital ATK) began releasing rockets from the belly of a converted L-1011 airliner to put small satellites into low Earth orbit. More recently, Paul Allen, the Microsoft co-founder, funded development of the Burt Rutan-designed SpaceShipOne, the first privately developed manned spacecraft. Here are things to know about the program that has been underway since 2011.

  • Stratolaunch, launch roacket, Stratolaunch aircraft , Orbital Sciences Corp, Paul Allen, SpaceShipOne, Earth orbit, Microsoft co founder, Burt Ruta

    The Stratolaunch aircraft is enormous, with a wingspan totaling 385 feet (117 meters), longer than the wingspan of any other aircraft and greater than the length of an American football field. Its twin fuselages stretch 238 feet. By comparison, the H-4 flying boat - nicknamed Spruce Goose and built by Howard Hughes in the 1940s - has a 320-foot (97.5-meter) wingspan and is just under 219 feet (67 meters) long. Among commonly seen aircraft, the double-decker Airbus A380's wings span 262 feet. (Pic: Stratolaunch Systems Corporation)

  • Stratolaunch, launch roacket, Stratolaunch aircraft , Orbital Sciences Corp, Paul Allen, SpaceShipOne, Earth orbit, Microsoft co founder, Burt Ruta

    The Stratolaunch aircraft weighs 500,000 pounds (226,799 kilograms) empty, can carry 250,000 pounds (113,399 kilograms) of fuel, and with payload can take off at a maximum weight of 1.3 million pounds (589,676 kilograms). It is powered by six engines of the same type used by Boeing 747s. (Pic: Stratolaunch Systems Corporation)

  • Stratolaunch, launch roacket, Stratolaunch aircraft , Orbital Sciences Corp, Paul Allen, SpaceShipOne, Earth orbit, Microsoft co founder, Burt Ruta

    According to Stratolaunch, the advantages of its system include being able to use numerous airports and avoid the limitations of fixed launch sites which can be impacted by weather, air traffic and ship traffic on ocean ranges. (Pic: Stratolaunch Systems Corporation)

  • Stratolaunch, launch roacket, Stratolaunch aircraft , Orbital Sciences Corp, Paul Allen, SpaceShipOne, Earth orbit, Microsoft co founder, Burt Ruta

    On launch missions, Stratolaunch will carry as many as three rockets attached to the center of the wing between the two fuselages. The rockets will be released, ignite their engines and carry small satellites weighing up to 1,000 pounds (453.6 kilograms) to low Earth orbit. (Pic: Stratolaunch Systems Corporation)

  • Stratolaunch, launch roacket, Stratolaunch aircraft , Orbital Sciences Corp, Paul Allen, SpaceShipOne, Earth orbit, Microsoft co founder, Burt Ruta

    The rollout at Mojave Air & Space Port in the desert northeast of Los Angeles followed removal of scaffolding used during construction and placement of the aircraft on its 28 wheels for the first time. Initial testing will focus on filling the six fuel tanks to ensure they are properly sealed and that related mechanisms are operating properly. (Pic: Stratolaunch Systems Corporation)

  • Stratolaunch, launch roacket, Stratolaunch aircraft , Orbital Sciences Corp, Paul Allen, SpaceShipOne, Earth orbit, Microsoft co founder, Burt Ruta

    The aircraft will then be taken back inside the hangar for weight and balance testing. Ground testing will lead to flight operations and the first launch demonstration, which is expected in 2019. (Pic: Stratolaunch Systems Corporation)

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