About: North American XB-21

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About: North American XB-21 Sponge Permalink

An Entity of Type : dbkwik:resource/AGhloO_nVTaFp7GvOmHv5Q==, within Data Space : 134.155.108.49:8890 associated with source dataset(s)

The North American XB-21, also known by the manufacturer's model designation NA-21, and sometimes referred to by the name "Dragon", was a prototype bomber aircraft developed by North American Aviation in the late 1930s, for evaluation by the United States Army Air Corps. Evaluated against the Douglas B-18 Bolo, it was found to be considerably more expensive than the rival aircraft, and despite the ordering of a small number of evaluation aircraft, only the prototype was ever built.

Attributes	Values
rdf:type	Aircraft Type
rdfs:label	North American XB-21
rdfs:comment	The North American XB-21, also known by the manufacturer's model designation NA-21, and sometimes referred to by the name "Dragon", was a prototype bomber aircraft developed by North American Aviation in the late 1930s, for evaluation by the United States Army Air Corps. Evaluated against the Douglas B-18 Bolo, it was found to be considerably more expensive than the rival aircraft, and despite the ordering of a small number of evaluation aircraft, only the prototype was ever built.
sameAs	dbr:North_American_XB-21
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prop blade number	3(xsd:integer)
Guns	Five .30-calibre machine guns, mounted in single turrets in the nose and dorsal positions, and single manually operated mounts in the waist and ventral positions.
ceiling ft	25000(xsd:integer)
combat range note	with of bombs
max takeoff weight lb	40000(xsd:integer)
combat range miles	600(xsd:integer)
time to altitude	600.0
range miles	1960(xsd:integer)
eng1 type	turbosupercharged radial engines
length in	9(xsd:integer)
primary user	United States Army Air Corps
Type	Medium bomber
max speed note	at
Unit Cost	$122,000 USD
wing area sqft	1120(xsd:integer)
bombs	Up to in an internal bay.
Height in	9(xsd:integer)
Manufacturer	North American
empty weight lb	19082(xsd:integer)
max speed mph	220(xsd:integer)
National Origin	United States
length ft	61(xsd:integer)
Height ft	14(xsd:integer)
First Flight	1936-12-22(xsd:date)
span ft	95(xsd:integer)
range note	with of bombs
cruise speed mph	190(xsd:integer)
gross weight lb	27253(xsd:integer)
span in	0(xsd:integer)
prime units?	imp
Crew	Six to eight
Number Built	One
eng1 name	Pratt & Whitney R-2180 Twin Hornet
eng1 hp	1200(xsd:integer)
eng1 number	2(xsd:integer)
abstract	The North American XB-21, also known by the manufacturer's model designation NA-21, and sometimes referred to by the name "Dragon", was a prototype bomber aircraft developed by North American Aviation in the late 1930s, for evaluation by the United States Army Air Corps. Evaluated against the Douglas B-18 Bolo, it was found to be considerably more expensive than the rival aircraft, and despite the ordering of a small number of evaluation aircraft, only the prototype was ever built.

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