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Stagger (aviation)

From PlaneSpottingWorld, for aviation fans everywhere

Stagger refers to the horizontal positioning of a biplane, triplane, or multiplane's wings in relation to one another.

An aircraft is said to have positive stagger when the upper wing is positioned forward of the lower (bottom) wing, such as the de Havilland Tiger Moth or Stearman. Conversely, an aeroplane is said to have negative stagger when the upper wing is positioned behind the lower wing, as in the Sopwith Dolphin or Beech Staggerwing.

An aircraft with the wings positioned directly above each other is said the have unstaggered wings, as in the Sopwith Cuckoo or Vickers Vildebeest.

Positive stagger is by far the most common, as this positioning of the upper wing(s) allows better upward visibility for the crew as well as increased aircraft longitudinal stability.

This article is licensed under the GNU Free Documentation License.
It uses material from the Wikipedia article "Stagger (aviation)".