Tupolev I-4
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The Tupolev I-4 (Development name ANT-5) was a Soviet fighter biplane. It was the first aircraft designed by Pavel Sukhoi.
ANT-5 was a prototype of I-4 sesquiplane single-seat fighter.
I-4 differed from ANT-5 by redesigned (to decrease drag) engine howling, added rocket launchers on upper wing and increased tailfin.
The lower wing was nothing more than an attachment for the wing struts; it was (almost) removed in the second series (I-4bis), used as a parasite fighter in Zveno experiments with TB-3 bomber.
The I-4 was the first Soviet all metal fighter.
One 460hp M-22 engine.
Total 369 were built.
In service in 1928-1933.
Development of 1927.
The initial version of this article was based on material from aviation.ru. It has been released under the GFDL by the copyright holder.
[edit] Specifications (I-4)
General characteristics
- Crew: One
- Length: 7.27 m (23 ft 10 in)
- Wingspan: 11.42 m (37 ft 5 in)
- Height: 2.82 m (9 ft 2 in)
- Wing area: 23.8 m² (256 ft²)
- Empty weight: 978 kg (2,156 lb)
- Loaded weight: 1,430 kg (3,153 lb)
- Powerplant: 1× M-22 (Bristol Jupitar) piston radial, (460hp)
Performance
- Maximum speed: 257 km/h (160 mph)
- Range: 840 km (524 miles)
- Service ceiling: 7,655 m (25,100 ft)
- Rate of climb: 555 m/min (1,820 ft/min)
- Wing loading: 60 kg/m² (12 lb/ft²)
Armament
[edit] Operators
[edit] External link
[edit] Related content
Related development:
Comparable aircraft:
Designation sequence (VVS): I-1 - I-2 - I-3 - I-4 - I-5 - I-6 - I-7
Designation sequence (Tupolev): ANT-2 - ANT-3 - ANT-4 - ANT-5 - ANT-6 - ANT-7 - ANT-8
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