The Tupolev ANT-21, also designated MI-3 for multi-seat fighter, was a Soviet twin-engined four-seat heavy fighter ordered in January 1932 to replace the KR-6 escort fighter version of the ANT-7. Alexander Arkhangelsky led the design team, his first project as chief designer, combining corrugated all-metal wings based on the ANT-7 with a new semi-monocoque duralumin fuselage and a retractable tailwheel undercarriage. The first prototype flew in August 1933 but suffered severe tail flutter, and a redesigned ANT-21bis with new engines and enclosed cockpits was tested in 1934. The air force did not accept it for service and only two prototypes were built.
Facts
Comparison
Body StyleAircraft (no road body style) 1 Connections
Exemplifies
Source Tupolev ANT-21 (Wikipedia)
Of Make
Source Tupolev ANT-21 (Wikipedia)
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Manufactured By
Also in Business Atlas: the manufacturer of this subject.
Source Tupolev ANT-21 (Wikipedia)Lead, manufacturerQuote, Lead, manufacturer
ordered the TsAGI design bureau led by Andrei Tupolev to design a twin-engined multi-seat fighter
Originated In
Also in Geography Atlas: where this subject originated.
Source Tupolev ANT-21 (Wikipedia)LeadQuote, Lead
The Tupolev ANT-21 was a Soviet twin-engined four-seat heavy fighter
Sources
1. Tupolev ANT-21 (Wikipedia)
Design and development
made its maiden flight in August 1933
Lead
The Tupolev ANT-21 was a Soviet twin-engined four-seat heavy fighter
Lead, status
It was not accepted for production, only two prototypes being built.
Lead, units built
only two prototypes being built
Lead, manufacturer
ordered the TsAGI design bureau led by Andrei Tupolev to design a twin-engined multi-seat fighter
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