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high altitude

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  1. P

    Pressurized

    Not that I'll ever do this but I want to start a discussion on the difficulty or feasibility and ways of pressurizing a small homebuilt aircraft. Specifically a composite construction aircraft 2-4 place.
  2. skwier

    ultralight design for high altitude runway (airfoil, aspect ratio, loading, dihedral)

    Beginning a design of an ultralight (US 103) to fly from a base near 5400 feet (1640 m). Yesterday we had gusts to 39 mph (63 kph) with airs temps to 85 F (30 C) in clear air and no clouds within 10 miles. Take off in those gusts would be foolish, but they came up very suddenly out of a blue...
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