TupolevANT-23 I-12ANT-23bis |
Tupolev I-12 |
The experimental Tupolev ANT-23 was designed around two large-caliber recoilless guns, integrated into tandem tailbooms. The aircraft was fitted with two radial engines in a push-pull configuration, and received the official designation of I-12. Even with twin engines, the aircraft was underpowered, as the rear engine was inefficient, and the design suffered from higher-than-expected drag, due in part to the externally reinforced wings and tail. The rear-mounted propellor also presented difficulties should in-flight pilot egress be necessitated. During an inflight gun test, a round exploded in the port gun, causing damage to the tailboom on landing. An improved prototype, the ANT-23bis, with jettisonable rear propellor, was under construction when the program was cancelled.
Timeline
Specifications | I-12 |
Designer(s) | Viktor Nikolayevich Chernyshyov |
Mission Type | Experimental fighter prototype |
Powerplant | 2 x 525 hp GR9AK (license-built Gnome-Rhône 9AK) 9 cyl. radials |
Dimensions | |
Span | 51 ft 5 in (15.67 m) |
Length | 31 ft 2.75 in (9.52 m) |
Height | ? |
Wing area | 322.93 - 355.00 sq ft (30.00 - 33.00 m2) |
Weights | |
Empty | 4,008 lb (1,818 kg) |
Loaded | 5,302 lb (2,405 kg) |
Max | ? |
Performance | |
Max speed | 186 mph @ sl (300 km/hr) 174 - 198 mph @ 16,405 ft (280 - 318 km/hr @ 5,000 m) |
Cruise speed | -- |
Time to 16,405 ft (5,000 m) | 7.7 min |
Service ceiling | 30,580 ft (9,320 m) |
Range | 252 miles (405 km) |
Armament | 2 x 76 mm Kurchevski APK-4 recoilless guns in tailbooms |
Crew | One |
User | USSR (not operational) |
Number built | One ANT-23, plus one partially built ANT-23bis |
Construction Numbers | ? |
Serial Numbers | ? |
Test Pilots | I. F. Kozlov |
Unofficial Nickname | Baumanskii Komsomolyets |
Web Links
Sources
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© 1997-2011, Robert Beechy
http://www.hud607.fire.prohosting.com /uncommon/aircraft/i-12/index.html
Originally posted January 2005
Modified: 02/13/2013