Boeing 80

Boeing 80
Državi	Zda
Vlogo	Letalo
Prvi let	27. julij 1928
Zgrajena	16

V Boeing 80 je bilo ameriško potniško letalo leta 1920. Trimotorni dvokrilec Model 80 je izdelala družba Boeing Airplane Company za Boeingovo letalsko družbo Boeing Air Transport, ki je uspešno prevažala letalsko pošto in potnike na rednih linijah.

Vir: Boeing 80 na Wikipediji

Boeing Model 80A-1 Walk Around
Fotograf	Vladimir Jakubov
Lokalizacijo	Muzej letenja, Seattle
Fotografije	177

Boeing Model 80A-1 01

Boeing Model 80A-1 02

Boeing Model 80A-1 03

Boeing Model 80A-1 04

Boeing Model 80A-1 05

Boeing Model 80A-1 06

Boeing Model 80A-1 08

Boeing Model 80A-1 09

Boeing Model 80A-1 10

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Boeing Model 80 Walk Around
Fotograf	Michael Benolkin
Lokalizacijo	Neznano
Fotografije	24

Boeing Model 80 01

Boeing Model 80 02

Boeing Model 80 04

Boeing Model 80 03

Boeing Model 80 05

Boeing Model 80 06

Boeing Model 80 07

Boeing Model 80 08

Boeing Model 80 09

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General Characteristics and Role

The Boeing Model 80A-1 was a major milestone in the early history of American air transport. It was a large, three-engine biplane designed and built by the Boeing Company in the late 1920s specifically for carrying passengers and mail. The original Model 80 was Boeing’s first passenger airliner, but the upgraded 80A-1 featured more powerful engines and increased seating capacity, allowing it to carry 18 passengers—a significant number for the era. The aircraft was primarily operated by Boeing Air Transport (BAT), an early component of what would eventually become United Airlines, on routes along the U.S. West Coast and Rocky Mountains. Its enclosed cabin, lavatory, and presence of the first U.S. flight attendants marked a substantial improvement in passenger comfort.

Property	Typical Value (Model 80A-1)
Vlogo	Airliner, Passenger/Mail Transport
National Origin	Združene države Amerike
proizvajalec	Boeing Airplane Company
First Flight (Model 80A)	12 September 1929
Posadke	2-3 (Pilot, Co-pilot/Radio Operator, Flight Attendant)
Zmogljivost	18 passengers + Mail
Dolžina	16.89 m (55 ft 5 in)
Peruti	24.38 m (80 ft 0 in)
Višina	4.75 m (15 ft 7 in)
Empty Weight	4,560 kg (10,050 lb)
Max Takeoff Weight	7,938 kg (17,500 lb)

Powerplant and Performance

Engines: 3 x Pratt & Whitney Wasp C 9-cylinder air-cooled radial engines.
Power Output (Each): 313 kW (420 hp).
Maximum Speed: 222 km/h (138 mph; 120 kn).
Cruise Speed: 201 km/h (125 mph; 108 kn).
Range: 740 km (460 mi; 400 nmi).
Service Ceiling: 4,270 m (14,000 ft).

Key Features and Legacy

Three-Engine Configuration: Provided a crucial safety feature, allowing the plane to continue flight if one engine failed, essential for crossing mountainous regions.
Flight Attendants: The Model 80 introduced the world’s first air hostesses (flight attendants) in 1930, all of whom were registered nurses.
Survivability: Only one original Boeing Model 80A-1 survives today. It was restored and is on display at The Museum of Flight in Seattle, Washington.