The Breguet 761/763/765 are a family of 1940s and 1950s French double-deck transport aircraft produced by Breguet Aviation. The aircraft were normally called the Deux-Ponts but it was not an official
Air France Br.763 Deux Ponts
The third Breguet Br.761S at the 1957 Paris Air Show fitted with the early central fin shape
Breguet 765 Sahara under restoration at Musée des Ailes Anciennes in Toulouse (2008)
Breguet BR.765 of the French Air Force
The Pratt & Whitney R-2800 Double Wasp is an American twin-row, 18-cylinder, air-cooled radial aircraft engine with a nominal displacement of 2,800 cu in, and is part of the long-lived Wasp family of
Breguet 763 Deux-Ponts
…to 107 seats and an elevator between the two floors. The prototype was followed by three Br.761S pre-production aircraft powered by 2,020 hp (1506 kW) Pratt & Whitney R-2800-B31 radial engines. These were fitted with 12 ft 1½in (3.70 m) diameter Hamilton Standard propellers. The aircraft successfully completed their trials…
A preserved R-2800 engine at the National Museum of the United States Air Force
Cutaway of a Pratt & Whitney R-2800 Double Wasp
The first prototype F4U Corsair, the earliest aircraft specifically designed to use the Double Wasp
A preserved "B Series" R-2800-21 or -59. The A and B series can be most readily identified by their smooth, single-piece nose casings. This photo shows the simplified tubular ignition harness fitted to some R-2800 subtypes.