Buscaylet-de Monge 7-5
type of aircraft
The Buscaylet-de Monge 7-5 was a twin engine, twin-boom aircraft without a fuselage but with pilot, passenger and fuel accommodated in a thickened wing centre-section. It was designed by Belgian pioneer Louis de Monge and built in France in the mid-1920s.
Design and development
The Buscaylet-de Monge 7-4 was built in 1923 as a one third scale flight model of the proposed de Monge 72 (or 7–2) tri-motor. The de Monge 7-5 was a development of the 1923 aircraft, retaining its configuration but with new engines and revised wings, tail, accommodation and undercarriage.
Structurally the de Monge 7-5 was an all-wood aircraft. It had no fuselage but instead a thickened section of wing between the two booms which supported the tail. This rectangular inner panel had an airfoil section profile and an increased span of 2.3 m (7 ft 7 in), 15% larger than on the 7.4 but with the same 3.0 m (9 ft 10 in) chord and thickness of 650 mm (26 in). The increase in span allowed the engines, new Bugatti water-cooled car-type 1.50 L (92 cu in), 34 kW (45 hp) inline engines to be placed far enough apart that the propeller disks did not overlap, obviating the need for engine canting. Each engine had a rectangular radiator under it. As before the centre-section contained two side-by-side seats but their cockpits were now separate and provided with windscreens and faired headrests.
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This entry incorporates text from “Buscaylet-de Monge 7-5” on English Wikipedia. Contributors are listed in the page history. Text is available under the Creative Commons Attribution-ShareAlike 4.0 License. Selected authority identifiers and statements are retrieved from Wikidata under CC0; their references and qualifiers remain part of the verification path.