1927 Soviet aircraft
Tupolev I-4

The Tupolev I-4 was a Soviet sesquiplane single-seat fighter. It was conceived in 1927 by Pavel Sukhoi as his first aircraft design for the Tupolev design bureau, and was the first Soviet all-metal fighter.
Summary from Wikipedia, photo via Wikimedia Commons, licensed under CC BY-SA.
- Country of origin
- Soviet Union
- First flight
- 1927-08-10
Specifications
- Cruise speed
- 139 kt
- Max speed
- 139 kt
- Range
- 283 nm
- Service ceiling
- 25,615 ft
- Max takeoff weight
- 3,153 lb
- Empty weight
- 2,156 lb
- Powerplant
- 1 × Shvetsov M-22 9-cylinder air-cooled radial piston engine
- Engines
- 1
- Seats
- 1
- Length
- 23.8 ft
- Wingspan
- 37.5 ft
- Height
- 9.3 ft
- Number built
- 369
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.