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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.
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]
The Ultra Cub is a single-engine, single-place, strut-braced high-wing monoplane with either tricycle or conventional landing gear. The fuselage is constructed of riveted aluminum tubing with Dacron fabric substrate and (optionally) Oracal (adhesive vinyl) colored covering. The wing spar is aluminum with birch wood ribs, although a carbon fiber ...
The wing main spar is a dismountable two-piece carbon fibre beam which joins under the front seat; an auxiliary spar carries the aileron and flap mountings. In plan, the leading edge is elliptical, and there is slight taper on the outer trailing edge where the ailerons are mounted. Single slotted, electrically-operated flaps occupy the rest of ...
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).
Fixed-gear version of the 360. (Offered but never built, except as a UAV by Geneva Aerospace [7]) Berkut 540 Lycoming 6-cylinder, 540-cubic-inch, 260 hp engine upgrade. Changes consisted of larger cowls, a different engine mount, custom engine mount ears, stiffer engine isolators, a custom sump modification and different cooling baffles. Berkut ...
Data from Sport Aviation, Plane & Pilot and Purdy General characteristics Crew: one Capacity: one passenger in tandem seating Length: 22 ft 5 in (6.83 m) Wingspan: 35 ft 3 in (10.74 m) Height: 6 ft 8 in (2.03 m) Wing area: 178.5 sq ft (16.58 m 2) Airfoil: USA 35B Empty weight: 695 lb (315 kg) Gross weight: 1,400 lb (635 kg) Fuel capacity: 12 US Gallons, 45.42 litres Powerplant: 1 × Lycoming O ...
The A-4's fixed undercarriage had wheels on pairs of hinged V struts from the lower fuselage longerons with vertical legs, fitted with faired rubber shock absorbers, to the forward wing spar immediately below the wing strut. The tailskid also included a shock absorber. [1]