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Paul Allen bought two 747’s and promptly poached the eight engines. He’ll also pick off the landing gear, and then send it to the boneyard across the way.

Why? So he can mount those engines on the widest airplane ever attempted, with a huge carbon fiber wing, 20-ft. longer than a Saturn V rocket. Hanging in the middle would be a fully fueled Orbital rocket that the plane lifts to altitude, then drops, triggering ignition of the rocket (much like Virgin Galactic is doing on a smaller scale with their suborbital tourist rocket).

Construction recently finished on the 2.5 mile long runway needed to support this 1.2 million-pound behemoth…. more below.

8 responses to “Stratolaunch Launchers”

  1. Here is the enormous (and currently empty) hangar:
    IMG_1540

    A sense of scale, relative to some giants of history (the center rocket is missing in this diagram – it’s just the plane):
    668px-Stratolaunch_comparison.svg

    And here was the prior experiment in this launch concept, the Orbital L1011 Stargazer that was modified to lift their Pegasus rocket:
    IMG_1536

    and a historical action shot:
    800px-Lockheed_TriStar_launches_Pegasus_with_Space_Technology_5

    The thinking behind these projects is that the "carrier aircraft provides flexibility to launch the rocket from anywhere rather than just a fixed pad. A high-altitude launch also allows the rocket to avoid flight in the densest part of the atmosphere where a larger launch vehicle, carrying more fuel, would be needed to overcome air friction and gravity." (wikipedia)

  2. Truly fascinating. I’ll be in the Bay Area next week and would love to run down there to photograph things…

  3. Paul should attach those 747 fuselages to the EMP Rock & Roll Museum & convert them to on-site luxury hotels decorated like RollingStone Tour planes. 😉

  4. The Dubai Airwing Hangar has eight sets of doors which are 26 metres high and span 570 meters

  5. Everything’s bigger in Dubai. Thanks for the update!

  6. Aren’t 747 engines available for purchase by themselves?

  7. I was wondering about the supply chain friction there… but in this case, I believe they were both used 747-400’s and the used price minus salvage value may be less than a special order of eight new engines (and he actually only flies six engines on the wing, so it’s a bit inefficient to buy eight unless he wants swappable spares… or plans to eventually build a second Stratolauncher… =)

  8. plus buying engines on a plane with a repair/flight history is a heck of alot cheeper than going the new or salvage route, the FAA knows what he’s got there with all the paperwork on each………….plus the gear and other trinkets make the certification process easier

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