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| The Tupolev ANT-7 prototype was a scaled-down version of the ANT-4. First flown on 11 September 1929, it was powered by two 544kW BMW VI engines. Production began in summer 1930 as the multi-purpose R-6 for the air force, with a total of 435 built by June 1934. The KR-6 version was a long-range reconnaissance aircraft with increased fuel capacity and no bombload, and the MR-6 was a naval floatplane variant. Many late production aircraft were delivered for civil use under the designation PS-7 or P-6; modifications were minimal, including a strengthened freight floor and elimination of gunners' positions. The MP-6 was the civil floatplane version, and many P-/MP-6s and PS-7s had enclosed cockpits for Arctic use. The specially built R-6L was a one-off 'limousine' version incorporating a nine-passenger cabin.
 | A three-view drawing (592 x 739) |
| MODEL | R-6 |
| CREW | 3-5 |
| ENGINE | 2 x M-17, |
| WEIGHTS |
| Take-off weight | 6470 kg | 14264 lb |
| Empty weight | 3855 kg | 8499 lb |
| DIMENSIONS |
| Wingspan | 23.2 m | 76 ft 1 in |
| Length | 15.1 m | 50 ft 6 in |
| Height | 6.1 m | 20 ft 0 in |
| Wing area | 80.0 m2 | 861.11 sq ft |
| PERFORMANCE |
| Max. speed | 230 km/h | 143 mph |
| Ceiling | 4900 m | 16100 ft |
| Range | 800 km | 497 miles |
| ARMAMENT | 3 x 7.62mm machine-guns, 500kg of bombs |
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All the World's Rotorcraft
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