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North American Aviation
/ North American O-47
North American O-47
The North American O-47 is an American observation fixed-wing aircraft monoplane used by the United States Army Air Corps.
It had a low-wing configuration, retractable landing gear, and a three-blade propeller.
Variants
XO-47
one built, serial number 36-145 in Dundalk, Maryland, 850 hp (634 kW) Wright R-1820-41 engine
O-47A
164 built in Inglewood California, Wright R-1820-49 engine
O-47B
74 built, minor improvements and a 1,060 hp (790 kW) Wright R-1820-57 engine installed, plus an extra 50 gallon fuel tank
Specifications
Crew
Three
Length
33 ft 7 in (10.24 m)
Wingspan
46 ft 4 in (14.1 m)
Height
12 ft 2 in (3.7 m)
Wing area
350 sq ft (32.5 m2)
Empty weight
5,980 lb (2,712.5 kg)
Gross weight
7,636 lb (3,463.6 kg)
Powerplant
1 × Wright R-1820-49 radial, 975 hp (727 kW)
Performance
Maximum speed
221 mph (355.7 km/h, 192 kn)
Cruise speed
200 mph (322 km/h, 170 kn)
Range
840 mi (1,352 km, 730 nmi)
Service ceiling
23,200 ft (7,071 m)
Rate of climb
1,470.8 ft/min (7.47 m/s)
Armament
1 × fixed forward-firing .30-cal (7.62 mm) machine gun (200 rounds) in starboard wing
1 × flexible .30-cal (7.62 mm) machine gun (600 rounds) in rear cockpit.
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