| Manufacturer |
Keystone Aircraft Corporation |
Keystone Aircraft Corporation |
| Description |
The Keystone LB-6 and LB-7 were 1920s American light bombers, built by the Keystone Aircraft company for the United States Army Air Corps, called Panther by the company, but adoption of the name was rejected by the U.S. |
The Keystone B-3A was a bomber aircraft developed for the United States Army Air Corps by Keystone Aircraft in the late 1920s. |
| First Flight |
1927-01-01 |
|
| Entry Into service |
1929-01-01 |
|
| Service End |
1934-01-01 |
1940-01-01 |
| Designer |
Keystone Aircraft Corporation |
Keystone Aircraft Corporation |
| Type |
Biplane light bomber |
Bomber |
| Length (m) |
15.01 |
14.9 |
| Height (m) |
5.5 |
4.8 |
| Cockpit Crew |
|
5 |
| Max Speed (km/h) |
183 |
183 |
| Cruise Speed (km/h) |
153 |
158 |
| Max Ceiling (m) |
3550 |
3870 |
| Rate of Climb (m/s) |
180 |
2.7 |
| Armament |
2 × trainable .303 in (7.7 mm) Lewis guns in open position in nose; 2 × trainable .303 in (7.7 mm) Lewis guns in open dorsal position; 1 × trainable .303 in (7.7 mm) Lewis gun in ventral hatch; 2,000 lb (910 kg) Bombs |
3 × .30 in (7.62 mm) machine guns; 2,500 lb (1,100 kg); 4,000 lb (1,800 kg) on short runs |
| Number Built |
17 |
63 |
| Powerplant Description |
2 × Wright Cyclone R-1750-1 radial engines, 391 kW (524 hp) each |
2 × Pratt & Whitney R-1690-3 radial engines, 392 kW (526 hp) each |
| Primary Users |
United States Army Air Corps |
United States Army Air Corps |
| Status |
|
Retired |
| Wikipedia Article (URL) |
en.wikipedia.org/wiki/Keystone_LB-6 |
en.wikipedia.org/wiki/Keystone_B-3 |
| Flat Wing Span (m) |
23 |
22.8 |
| Flat Wing Area (m²) |
106.38 |
106.4 |
| Number of Engines |
2 |
2 |