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  2. Bird measurement - Wikipedia

    en.wikipedia.org/wiki/Bird_measurement

    The root box is estimated from a measurement of the wing width at the base (the root chord) and the difference between the wingspan and two times the extent of a single wing. [10] Alternatively, the total wing area can be estimated using the wingspan, wing length, and wing width and assuming simple geometric figures for the shape of the wings. [11]

  3. Arm span - Wikipedia

    en.wikipedia.org/wiki/Arm_span

    Arm span or reach (sometimes referred to as wingspan, or spelled armspan) is the physical measurement of the length from one end of an individual's arms (measured at the fingertips) to the other when raised parallel to the ground at shoulder height at a 90° angle.

  4. Mathews Mr Easy - Wikipedia

    en.wikipedia.org/wiki/Mathews_Mr_Easy

    The Mathews Mr Easy is an American homebuilt aircraft that was designed by Lyle Mathews and associates and produced by the Vintage Ultralight and Lightplane Association of Marietta, Georgia. It was the sixth and final design of Mathews. The aircraft is supplied in the form of plans for amateur construction. [1] [2]

  5. Wingspan - Wikipedia

    en.wikipedia.org/wiki/Wingspan

    The wingspan (or just span) of a bird or an airplane is the distance from one wingtip to the opposite wingtip. For example, the Boeing 777–200 has a wingspan of 60.93 metres (199 ft 11 in), [ 1 ] and a wandering albatross ( Diomedea exulans ) caught in 1965 had a wingspan of 3.63 metres (11 ft 11 in), the official record for a living bird.

  6. Largest living flying birds by wingspan - Wikipedia

    en.wikipedia.org/wiki/Largest_living_flying...

    The table contains a list of the largest birds living on this planet by wingspan, at maximum, assumed to be reliable by experts and verified records, at least 3 m (9 ft 10 in). Rank Image

  7. Aspect ratio (aeronautics) - Wikipedia

    en.wikipedia.org/wiki/Aspect_ratio_(aeronautics)

    An ASH 31 glider with very high aspect ratio (AR=33.5) and lift-to-drag ratio (L/D=56). In aeronautics, the aspect ratio of a wing is the ratio of its span to its mean chord.It is equal to the square of the wingspan divided by the wing area.

  8. Ground effect (aerodynamics) - Wikipedia

    en.wikipedia.org/wiki/Ground_effect_(aerodynamics)

    When an aircraft flies at or below approximately half the length of the aircraft's wingspan above the ground or water there occurs an often-noticeable ground effect. The result is lower induced drag on the aircraft. This is caused primarily by the ground or water obstructing the creation of wingtip vortices and interrupting downwash behind the ...

  9. Ape index - Wikipedia

    en.wikipedia.org/wiki/Ape_index

    One notable NBA player with an ape index below 1 is Desmond Bane, whose wingspan of 6' 4" is less than his height of 6' 5"; he has been nicknamed "T-Rex" for this reason. [11] Despite this perceived deficiency, Bane has become a quality player since being selected 30th overall by the Memphis Grizzlies in the 2020 NBA draft out of TCU.