Translated automatically from the French version of Kelclinic. Contact us for remarks, questions or help.
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Create drones began in 1950 year on the orders of Marshal K. Vershinika, the project was entrusted to the designer S. Lavochkin. The main objective was to manufacture a target, which could be controlled remotely. Initially, the project was designated as the product «201», later it was named La-17.

During design and construction, special attention was paid to reducing the cost of the device. This task was based on the fact that the device is disposable. For this reason, as the power plant has been used gasoline engine type scramjet RD. This was made even the fuel pump, which is to replace the battery of air pressure. Plumage is made of the profile of the CP-11, it was the direct type. When you create the most expensive was the control equipment and automatic pilot, all fed with electric power from the electric motor, which was installed in the nose of the machine. Yet in the case of re-operation of the La-17 was set parachute and shock absorbing system.

Originally planned to carry out with the launch of Tu-2, and the drone was attached to the back of the machine, this option is rejected because the machine could cause damage to the aircraft. Therefore decided as a launcher to use Tu-4 and mounting under the wing.

Testing machine La-17 began in May 1953 years. In tests conducted start-up of two units, which have been suspended from the two wings of Tu-4. Reset drones produced at the height of 8,5 km and speed of M = 0,42. When starting the engine thrust was calculated 900 kgs. Engine fuel supply device and allowed to make a flight over the 40 minutes. It should be noted that designers are not able to create high-quality parachute system that would preserve the integrity of the machine. Yet the designers have left the idea of ​​a safe landing, because of this additional engine was installed under the hull, which allowed the landing to increase the angle of attack, and to reduce the speed.

During the flight the autopilot and drove the car radio command system. With regard to the autopilot, it was originally set to AP-53, and when state tests was replaced by the type of autopilot AP-60.

After detaching from the carrier La-17 goes into a dive, which lasted up to an altitude 7 kilometers, it makes for a set rate to 850 km / h. After dialing the unit is transferred to horizontal flight for a signal from the ground control station and sent to the test site. All tests at the state level have been completed by the fall of 1954 years. They showed that the La-17 can rise to a height of 9,3 kilometer and develop speed 911km / h.

Unmanned aircraft La-17 was adopted, after which began a large-scale manufacturing unit at two factories in Gorky and Orenburg. Production continued for two years, since 1956, for all time was made 249 such machines. Overall it was a great machine, which was the only drawback, namely the need for a carrier who performed the Tu-4. Yet the service the aircraft and unmanned were quite expensive. In the future La-17 was set turbojet engine, which will perform more military operations, the device required more cash costs of production and service. Despite the further modernization, the machine has been used for educational purposes, and in the middle of 70-ies are practically gone.

La-17. Characteristics:

Modification La-17
Wingspan, m 7.50
Length m 8.175
Height, m 2.98
Wing area, m 8.55
Weight, kg  
empty 1044
starting 1459
engine's type 1-900 TRD RD
Maximum speed km / h 905
Range, km 120
The flight duration, min 8,5


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