Yakovlev UTI-26 (Yak-7UTI)
Yak-7UTI, or as it is called, UTI-26, a plane, which is actively used during the Second World War, Soviet pilots. This machine was designed by Yakovlev Design Bureau. The main task of this unit has been training pilots or borrowing their qualifications. On this machine were trained mainly future fighter pilots. She began to be produced commercially to 1941 years 186 just been built vehicles. End of designing fell on the summer 40 years, in the same year was built the first prototype.
Design features of UTI-26
Training aircraft type UTI-26 is a double unit, which was equipped with a screw motor. Due to the fact that the aircraft had two seats for the pilots, they can control each of the pilots, for that all control systems are duplicated. This machine is a low-wing monoplane.
Power plant machinery was represented by one air-cooled engine M-105P, it had a capacity of 1050 horsepower. This motor drives the screw, which consisted of three metal blades. Yak-7UTI had a screw diameter of 3 meters and designated as VISH-61P.
Cockpit were arranged in tandem and had a lantern, which was made of plexiglass. To contact the pilot inside the cockpit was equipped with lights moving part, which opened earlier. The front cabin has been designed for the student and the instructor was placed in the back. The entire interior of the machine beat is made in the same way as that of the fighter I-26, which allowed students to more fully acquainted with the machine on which they will fly later on a combat mission. Negotiations between the pilots were carried out with the help of gestures or the negotiation of the hose, later models were equipped with an intercom system STC-3.
Navigation equipment was quite primitive and mainly the pilot had to navigate on land targets. This machine can only be used during daylight and in good visibility behind.
The history of the unit UTI-26
This training machine has been manufactured on the basis of fighter I-26. Because of this, these machines have many similar structural parts. This was done for the most realistic training pilots as they prepared to fly fighter planes.
After making the first training unit was transferred to the factory tests, which took place in the summer of 1940 years. After the factory test car was handed over to the State Commission for further testing. When the state testing machine was damage to the chassis, because of which the tests were interrupted for two weeks. Despite the damage, the car completed the state testing by the end of autumn 40 years. The State Commission has confirmed the suitability of the device, and recommended it for serial production.
After the plane UTI-26 based at the Research Institute of the Air Force, where continued flight testing. Test pilots have worked all flight options and determine which is able to maneuver the machine.
Production aircraft UTI-26 were equipped with the best equipment and more reliable than the first devices of this class. Thus, serial training aircraft had not retractable landing gear, which allowed to increase the safety of pilots during landing. There was also an elaborate system that regulates the temperature of the VMG, the cooling was carried out by reducing the engine speed to 2350 / min. Also, the machine gun was mounted type ShKAS, enclosing five hundred rounds of ammunition.
UTI-26 (Yak-7UTI) Features:
|Wing area, m2||17.15|
|engine's type||1 PD M-105P|
|Power, hp||X 1 1050|
|Maximum speed km / h|
|near the ground||500|
|Practical range, km||700|
|Rate of climb, m / min||910|
|Practical ceiling, m||9400|
|Armament:||Two synchronous 7.62-mm machine guns with ammunition for ShKAS 500 cartridges.|
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