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  1. davidjh

    dimensioned 3-view drawings in public domain

    Hello All; Is someone aware of a web-site, or other public source of the above drawings of aircraft? I'm primarily intersted in commercial jets and their "aero" design dimensions (eg; MACs, CG ranges, ARs, tail lengths, etc.). I've done a fair amount of "Googling" with no sucess. Thanks for any...
  2. davidjh

    Climb Performance Analysis

    A critique of my understanding is asked for; FAR Part 25 airplanes have six climb configurations each of which has a unique minimum climb gradient requirement. My study into the basic equations of energy theory and balance of forces in a climb leads me to the equation; Sin (Flight Path...
  3. davidjh

    drag of fuselage discontinuities

    Does anyone know of another source comparable to Hoerner's Fluid-Dynamic drag that has CDs' for discontinuities on an airplane fuelage? I'm after a means to estimate CDs for "non-classic" shapes - in this case a "U" shaped bracket with the open end into the wind.

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