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  2. 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. The arm span measurement is usually very close to the person's height.

  3. Wingspan - Wikipedia

    en.wikipedia.org/wiki/Wingspan

    The distance A to B is the wingspan of this Boeing 777-200ER. 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 ...

  4. 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]

  5. 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.

  6. 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.

  7. Heinkel HD 39 - Wikipedia

    en.wikipedia.org/wiki/Heinkel_HD_39

    It was a conventional single-bay biplane with staggered wings of equal span, ... Lower wingspan: 12.7 m (41 ft 8 in) Height: 3.7 m (12 ft 2 ... Time to altitude ...

  8. List of largest birds - Wikipedia

    en.wikipedia.org/wiki/List_of_largest_birds

    The largest dimensions found in this species are an approximate head-to-tail length of 1.44 m (4.7 ft) and a wingspan of 3.65 m (12.0 ft). The largest bird of all time was likely the elephant bird Aepyornis maximus , which was estimated to have weighed 275–1,000 kilograms (610–2,200 lb) and stood at 3 metres (9.8 ft) tall.

  9. Glossary of aerospace engineering - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_aerospace...

    It is equal to the square of the wingspan divided by the wing area. Thus, a long, narrow wing has a high aspect ratio, whereas a short, wide wing has a low aspect ratio. [ 23 ] Aspect ratio and other features of the planform are often used to predict the aerodynamic efficiency of a wing because the lift-to-drag ratio increases with aspect ratio ...