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In a fixed-wing aircraft, the spar is often the main structural member of the wing, running spanwise at right angles (or thereabouts depending on wing sweep) to the fuselage. The spar carries flight loads and the weight of the wings while on the ground.
A fixed-wing aircraft is a heavier-than-air aircraft, such as an airplane, which is capable of flight using aerodynamic lift. Fixed-wing aircraft are distinct from rotary-wing aircraft (in which a rotor mounted on a spinning shaft generates lift), and ornithopters (in which the wings oscillate to generate lift).
There are two main wing configurations that can be built. An aluminum wing spar with hinges allows the wings to be folded for trailering or storage. A wooden wing spar configuration gives the plane a lighter weight, but leaves the wings fixed. The engine cowling is made from fiberglass. [3]
While internal wing structure commonly provides much of the strength via a combination of spars, ribs and stringers, the external skin typically carries a proportion of the loads too. On many aircraft, the inner volume of the wingbox has also been used to store fuel, which is commonly referred to as being a wet wing design.
The wing was built in three parts, with a short, rectangular inner section within the fuselage and two dominant, tapering outer panels. Each outer panel was built around a spruce box spar and the wing surface ahead of it was plywood, forming a torsion resisting D-box. Behind the spar the wing had fabric covering.
An aileron (French for "little wing" or "fin") is a hinged flight control surface usually forming part of the trailing edge of each wing of a fixed-wing aircraft. [1] Ailerons are used in pairs to control the aircraft in roll (or movement around the aircraft's longitudinal axis ), which normally results in a change in flight path due to the ...
Fixed wing Model Type Origin Quantity Notes Photo CASA/Airbus Military C-212-200 Aviocar: STOL military transport aircraft Spain / Europe: 3: The first C-212 incorporated in June 1994, exchanging an A-109A for the government of the province of Santa Fe. In 2015, two units were acquired from Aviacom, for 10 million dollars. [36] Diamond DA42M ...
The Berkut is derived from the Rutan Long-EZ, with the primary differences being retractable main landing gear, dual canopies, and molded fuselage, strakes, and wing spar. Like the Long EZ, the Berkut carries two people in a tandem seating arrangement. The front seat occupant has access to all instrumentation and controls.