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The Beechcraft Model 50 Twin Bonanza is a small twin-engined aircraft designed by Beechcraft as an executive transport for the business market. It was developed to fill a gap in Beechcraft's product line between the single-engined Model 35 Bonanza and the larger Model 18 . [ 1 ]
The Queen Air development of the Twin Bonanza also received the Swearingen treatment, the Queen Air Excalibur having less extensive modifications, also involving fitting of 400 hp (300 kW) IO-720s, replacing the more troublesome and lower-power geared Lycoming engines installed at manufacture, and the enclosed landing gear doors (the Queen Air ...
In 1951 the United States Army evaluated a Model 50 Twin Bonanza at Fort Bragg, North Carolina and subsequently ordered four off-the-shelf Model 50s as YL-23s, these being delivered in early 1952. [1] Further examples of the Model 50 were ordered under the designation L-23A and Model B50s were also ordered under the designation L-23B. [1]
The Beechcraft Queen Air is a twin-engined light aircraft produced by Beechcraft in numerous versions from 1960 to 1978. Based upon the Twin Bonanza, with which it shared key components such as wings, engines, and tail surfaces, it had a larger fuselage, and served as the basis for the highly successful King Air series of turboprop aircraft.
Prototype twin piston engine monoplane trainer Beechcraft Model 50 Twin Bonanza: 1949 975 Twin piston engine monoplane utility airplane Beechcraft Model 55 Baron: 1960 3,651 Twin piston engine monoplane utility airplane Beechcraft Model 56 Baron: 1966 93 Twin piston engine monoplane utility airplane Beechcraft Model 58 Baron: 1969 2,770+
The SA26 Merlin is a pressurized Excalibur fitted with a different Lycoming TIGO-540 6-cylinder geared piston engine. The TIGO 540 was used despite the fact that one of the reasons the IO-720 was used in the Excalibur was that the Queen Air series' IGSO-480 and IGSO-540 engines from the same manufacturer were so troublesome.
The Excalibur was designed as "clone" [1] of the Quad City Challenger II aircraft. The company took the basic Challenger design and incorporated many changes, including mounting the engine upright allowing larger propellers and the Rotax gearbox to be mounted, lengthening the tailboom and enlarging the tail vertical surface to increase stability, shortening the ailerons and replacing control ...
Excalibur 800, an aftermarket conversion of the Beechcraft Twin Bonanza twin-engined aircraft, originally developed by Swearingen Aircraft; Excalibur Queen Air, a similar aftermarket conversion of the Beechcraft Queen Air twin-engined aircraft, also originally developed by Swearingen; HMS Excalibur, a ship in the British Royal Navy