|
gptkbp:instanceOf
|
bomber
|
|
gptkbp:alsoKnownAs
|
NA-21
|
|
gptkbp:armament
|
1 × 0.50 in machine gun
4 × 0.30 in machine guns
|
|
gptkbp:bombLoad
|
2,200 lb
|
|
gptkbp:category
|
twin piston-engined tractor aircraft
1930s United States bomber aircraft
mid-wing aircraft
|
|
gptkbp:crew
|
7
|
|
gptkbp:developedBy
|
United States Army Air Corps
|
|
gptkbp:emptyWeight
|
17,482 lb
|
|
gptkbp:enginePower
|
1,200 hp each
|
|
gptkbp:firstFlight
|
22 December 1936
|
|
gptkbp:height
|
15 ft 2 in
|
|
https://www.w3.org/2000/01/rdf-schema#label
|
North American XB-21
|
|
gptkbp:introduced
|
1936
|
|
gptkbp:length
|
56 ft 2 in
|
|
gptkbp:manufacturer
|
gptkb:North_American_Aviation
|
|
gptkbp:maximumSpeed
|
220 mph
|
|
gptkbp:maxTakeoffWeight
|
24,500 lb
|
|
gptkbp:numberBuilt
|
1
|
|
gptkbp:powerplant
|
2 × Pratt & Whitney R-2180 Twin Hornet radial engines
|
|
gptkbp:primaryUser
|
United States Army Air Corps
|
|
gptkbp:range
|
1,200 mi
|
|
gptkbp:role
|
bomber
|
|
gptkbp:serviceCeiling
|
25,000 ft
|
|
gptkbp:status
|
gptkb:prototype
|
|
gptkbp:successor
|
gptkb:North_American_B-25_Mitchell
|
|
gptkbp:wingspan
|
77 ft 0 in
|
|
gptkbp:bfsParent
|
gptkb:Wright_R-2600_Cyclone_radial_engines
|
|
gptkbp:bfsLayer
|
6
|