Boeing 80

Boeing 80
Ország	Usa
Szerepet	Utasszállító repülőgép
Első repülés	1928. július 27.
Beépített	16

A Boeing 80 egy amerikai utasszállító repülőgép volt az 1920-as években. A három hajtóműves kétfedelű Model 80-at a Boeing Airplane Company építette a Boeing saját légitársasága, a Boeing Air Transport számára, sikeresen szállítva mind a légipostát, mind az utasokat menetrend szerinti járatokon.

Forrás: Boeing 80 a Wikipédián

Boeing Model 80A-1 Walk Around
Fotós	Vlagyimir Jakubov
Lokalizáció	Repülési Múzeum, Seattle
Fénykép	177

Boeing Model 80A-1 01

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Boeing Model 80A-1 09

Boeing Model 80A-1 10

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Várj, boeing 80-ast keresel...

Boeing Model 80 Walk Around
Fotós	Michael Benolkin
Lokalizáció	Ismeretlen
Fénykép	24

Boeing Model 80 01

Boeing Model 80 02

Boeing Model 80 04

Boeing Model 80 03

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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)
Szerepet	Airliner, Passenger/Mail Transport
National Origin	Egyesült Államok
Gyártó	Boeing Airplane Company
First Flight (Model 80A)	12 September 1929
Legénység	2-3 (Pilot, Co-pilot/Radio Operator, Flight Attendant)
Kapacitás	18 passengers + Mail
Hossza	16.89 m (55 ft 5 in)
Szárnyfesztávolsága	24.38 m (80 ft 0 in)
Magasság	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.