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The Besson H-5 (or sometimes Besson MB-11) was a French transport
quadruplane In aviation, a multiplane is a fixed-wing aircraft-configuration featuring multiple wing planes. The wing planes may be stacked one above another, or one behind another, or both in combination.
Types having a small number of planes have specific nam ...
flying boat
A flying boat is a type of fixed-winged seaplane with a hull, allowing it to land on water. It differs from a floatplane in that a flying boat's fuselage is purpose-designed for floatation and contains a hull, while floatplanes rely on fusela ...
designed by the Marcel Besson company of Boulogne. The only H-5 was damaged and development was abandoned.
Development
The HB.5 (MB-10) originally started development as an open-sea reconnaissance/bombing flying-boat, but it was completed as a 20-seat passenger transport flying-boat. Described as grotesque it had two sets of staggered biplane wings with an unusual X-type bracing and a biplane tail with triple fins and rudders. Powered by four Salmson 9Z radial engines that were located in tandem pairs in line with the third mainplane. The H-5 had a conventional fuselage on a three-ply mahogany boat hull, which had 24 watertight compartments. The H-5 was tested from the St Raphael naval air station in 1922 and proved to be stable with little vibration. After a few test flights the H-5 was accidentally damaged and development was abandoned.
Specifications
See also
References
{{reflist, refs= {{cite magazine , title= The Marcel Besson H-5 Quadruplane Flying Boat, url=http://www.flightglobal.com/pdfarchive/view/1923/1923%20-%200089.html, date=15 February 1923 , magazine=Flight
Flight or flying is the process by which an object moves through a space without contacting any planetary surface, either within an atmosphere (i.e. air flight or aviation) or through the vacuum of outer space (i.e. spaceflight). This can be a ...
, page=89
{{cite book , title= The Illustrated Encyclopedia of Aircraft (Part Work 1982-1985), publisher= Orbis Publishing, page=655
Flying boats
1920s French civil utility aircraft
Quadruplanes
Four-engined push-pull aircraft
H-5
Aircraft first flown in 1922