M-70 Supersonic Strategic Bombardment Flying Boat
The development of a long-range naval bomber-scout "M-70", began in OKB VM Myasishchev in accordance with the decision of the Council of Ministers on August 15, 1956. It was considered highly probable that the enemy simultaneously could disable a significant part of the airfields of Long-Range Aviation.
OKB-156 and OKB-23 under the direction of GM Beriev, AN Tupolev and VM Myasishchev were developed supersonic seaplane projects as an alternative to land planes. Earlier, such a project (A-55) was proposed by RL Bartini. The distribution of seaplanes-bombers over the waters of the seas and oceans would allow not only to preserve combat vehicles, but also strike back.
It was expected that the "flying boat" with a take-off weight of 200 tons will fly with a cruising speed of 950-1700 km / h (maximum - 1800 km / h) at a distance of 6500-7500 km. With two refueling from submarines, the estimated range was 18,000-20,000 km.
The aircraft, executed in a normal aerodynamic scheme (variants with a swept wing, and also a trapezoidal wing having a straight sweep along the leading edge and reverse on the rear edge were worked out), it was planned to equip 4 TRDF-2 over the wing on the pylons and two on the sides of the keel. For take-off and landing, retractable hydrolling was used.
In August 1957 OKB-23 provided the customer with a preliminary design of the seaplane, and the project ended.
|Geometric and mass characteristics|
|Takeoff weight, kg||240000|
|Fuel weight, kg||144000|
|Number of engines||4|
|Flight data (calculated)|
|Flight speed, km / h max||1800|
|Flight range, km|
| without refueling 6500-7500 |
with 2- I refueled 18000-20000
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