Fighters1929 fighter aircraft model by Thomas-Morse
XP-13 Viper

The XP-13 Viper was a prototype biplane fighter aircraft designed by the American company Thomas-Morse Aircraft Corporation. The airplane was delivered to the United States Army in 1929, but they did not adopt it.
Summary from Wikipedia, photo via Wikimedia Commons, licensed under CC BY-SA.
- Manufacturer
- Thomas-Morse Aircraft
- Category
- Fighters
Specifications
- Cruise speed
- 113 kt
- Max speed
- 150 kt
- Range
- 168 nm
- Service ceiling
- 20,775 ft
- Rate of climb
- 1,700 ft/min
- Max takeoff weight
- 3,256 lb
- Empty weight
- 2,262 lb
- Powerplant
- Curtiss H-1640-1 Chieftain
- Engines
- 1
- Seats
- 1
- Length
- 23.5 ft
- Wingspan
- 28 ft
- Height
- 8.4 ft
- Number built
- 1
Specifications are approximate and may vary by variant. Compiled from Wikipedia (CC BY-SA).
Reference and training only. Specifications vary by variant — consult the manufacturer and the official documents.