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The wings are identical to the Bearhawk 4-Place Model B, employing the same Riblett 30-413.5 airfoil [5] and mounting flaps. [4] The aircraft's recommended engine power range is 250 to 315 hp (186 to 235 kW) and standard engines used include the 250 hp (186 kW) Lycoming O-540 , although the recommended engine is the 315 hp (235 kW) Lycoming IO ...
A section of the rear fuselage from a Vickers Warwick showing the geodetic construction in duralumin. On exhibit at the Armstrong & Aviation Museum at Bamburgh Castle.. A geodetic airframe is a type of construction for the airframes of aircraft developed by British aeronautical engineer Barnes Wallis in the 1930s (who sometimes spelt it "geodesic").
The Bearhawk was designed in the early 1990s [5] as a personal project by Barrows to carry aircraft engines for delivery as freight. It features a strut-braced high-wing, a four-seat enclosed cabin that is 42.5 in (108 cm) wide and accessed by doors, fixed conventional landing gear and a single engine in tractor configuration.
The problem can be minimized by increasing the wing sweepback and placing twin fins outboard near the tips, as for example in a low-aspect-ratio delta wing, but given the corresponding reduction in efficiency many flying wings have gentler sweepback and consequently have, at best, marginal stability.
Inside of the tailcone of a Murphy Moose under construction, showing the semi-monocoque design. The Murphy Moose is a Canadian high-wing utility light aircraft produced in kit form by Murphy Aircraft of Chilliwack, British Columbia for amateur construction.
Typical examples can be seen on the Piaggio P.180 Avanti, Learjet 60 and Beechcraft 1900D. The Grumman X-29 research aircraft had rear fuselage lateral fins or "Tail fins", [3] sometimes called strakes, [4] continuous with the trailing edge of the main wing. This allowed the positioning of a rear control surface at the end of each fin.
The twin-boom configuration allows a large door to be placed at the rear of the fuselage, free from obstruction by the tail assembly, as on the Armstrong Whitworth AW.660 Argosy. However access to the rear door remains limited, especially for trucks backing up to it, and a high-mounted conventional rear fuselage is often preferred.
The Bearhawk Companion is an American amateur-built aircraft, designed by Bob Barrows, that is produced by Bearhawk Aircraft of Austin, Texas, introduced in August 2019. The aircraft is supplied as a kit for amateur construction, with first customer deliveries in October 2019.