Boeing 80

The Boeing Model 80 was a continuous tape as a double -decker three -engined airliner of the 1920s. It was created as an evolution of the Model 40 and was the first developed by Boeing for the passenger transport aircraft.

History

Boeing developed the Model 80 for the subsidiary Boeing Air Transport Corporation. Particular emphasis was placed on a high passenger comfort. The Model 80 made ​​its first flight on 27 July 1928.

As on the previous model 40 of the fuselage had a fabric -covered steel tube frame. The ends of wooden wings could be removed to accommodate the aircraft, even in small hangars. The drive initially served three Wasp engines from Pratt & Whitney. In the later versions they were replaced by Hornet engines. The two outer engines were located between the wings of the biplane.

Against the wishes of the pilots, the two-man cockpit was performed closed. In the separated therefrom cabin was room for twelve passengers. Facilities included leather seats, reading lamps, fresh air and running hot and cold water.

In the extended version 80A, the capacity rose to 18 passengers. The maiden flight they experienced on September 12, 1929., United Airlines, successor to the Boeing Air Transport, presented ten of these machines in service.

The 80A was the first aircraft were used in the female flight attendants.

Versions

• Model 80 - original version with Wasp engines ( 4 aircraft )
• Model 80A - stretched version with improved aerodynamics and Hornet engines ( 10 aircraft, later converted to 80A -1) Model 80A -1 - Rebuilt version of 80A with modified tail

Specifications (Model 80A)

Aircraft received

In the Museum of Flight at Boeing Field in Seattle, the only surviving Boeing 80A -1 is issued.