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Fokker XB-8
Dutch bomber prototype for the United States Army Air Corps From Wikipedia, the free encyclopedia
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The Fokker XB-8 was a bomber built for the United States Army Air Corps in the 1930s, derived from the high-speed Fokker O-27 observation aircraft.
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Design and development
During assembly, the second prototype XO-27 was converted to a bomber prototype, dubbed the XB-8. While the XB-8 was much faster than existing biplane bombers, it did not have the bomb capacity to be considered for production. Two YB-8s and 4 Y1B-8s were ordered, but these were changed mid-production to Y1O-27 configuration.
The wing of the XB-8 and XO-27 was built entirely from wood, although the fuselage was constructed of steel tubes covered with fabric with the exception of the nose which had a corrugated metal.[1] They featured the first retractable landing gear ever fitted to an Army Air Corps bomber or observation craft. The undercarriage retracted electrically. The crew was three in tandem position.[1]
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Operational history
It competed against the Douglas Y1B-7/XO-36. Both promised to greatly exceed the performance of the large biplane bombers then used by the Army Air Corps. However, the Douglas XB-7 was markedly better in performance than the XB-8, and no further versions of Fokker's aircraft were built.
Operators
Specifications (XB-8)
Data from Fokker's Twilight.[2]
General characteristics
- Crew: 4
- Length: 47 ft 4 in (14.42 m)
- Wingspan: 64 ft 4 in (19.60 m)
- Height: 11 ft 6 in (3.50 m)
- Wing area: 619 sq ft (57.5 m2)
- Empty weight: 6,861 lb (3,112 kg)
- Gross weight: 10,650 lb (4,824 kg)
- Powerplant: 2 × Curtiss V-1570-23 "Conqueror" V12 engines, 600 hp (450 kW) each
Performance
- Maximum speed: 160 mph (260 km/h, 140 kn)
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See also
Aircraft of comparable role, configuration, and era
Related lists
References
External links
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