Keystone B-3

The Keystone B-3A was a bomber aircraft developed for the United States Army Air Corps in the late 1920s.

Le Keystone B-3 est un bombardier développé aux États-Unis à la fin des années 1920. Il est utilisé par l'USAAC entre 1931 et 1937.1

Made by Keystone Aircraft.

Keystone B-3 is the predecessor of the Keystone B-4.Keystone B-5.Keystone B-6.

Jet Or Prop
prop
Height Alt
4.8 m
Length Alt
14.9 m
Max Takeoff Weight Main
lb
Power Alt
392.0
Lists
* List of bomber aircraft* List of military aircraft of the United States
Range Main
860 mi
Loaded Weight Main
12952.0
Max Speed Alt
98
Type Of Prop
radial engines
Crew
5
Loading Main
11
Power/mass Main
291.96000000000004
Bombs
2500
Height Main
480.06
Max Speed Main
114 mph
Cruise Speed Main
98 mph
Max Takeoff Weight Alt
kg
Ceiling Main
12700.0
Number Built
63
Successor
Keystone B-4
Keystone B-5
Keystone B-6
Loaded Weight Alt
5875.0
Cruise Speed Alt
85
Area Main
1145.0
Primary user
United States Army Air Corps
Span Alt
22.8 m
Plane Or Copter?
plane
Engine(prop)
Pratt & Whitney R-1690-3
Manufacturer
Keystone Aircraft
Climb Rate Main
530.0
Power Main
525 hp
Number Of Props
2
Power/mass Alt
133
Guns
3
Climb Rate Alt
2.7 m-s
Variants With Their Own Articles
Keystone B-4
Keystone B-5
Keystone B-6
Length Main
1488.44
Span Main
2275.84
Area Alt
106.4 m²
Range Alt
760
Related
* Keystone LB-6* Keystone B-4* Keystone B-5* Keystone B-6
Empty Weight Main
7705.0
Ceiling Alt
3
870 m
Category
Keystone aircraft
United States bomber aircraft 1930-1939
Empty Weight Alt
5875.0
Loading Alt
55

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