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Aviation of World War II |
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Yak-9M
Armament - similar to the Yak-9D, as well as the piloting technique; but the "emka" had the best anti-bonnet qualities. The fuel supply also remained the same. The main shortcomings of the Yak-9 concept were eliminated: the wing was strengthened (as a result, for the first time in two years of production, strength was brought to compliance with technical requirements), an emergency reset cockpit canopy was installed (it has been on the Bf-109 since 1939 on all modifications) and an automatic adjustment water temperature in the ART-1 engine cooling system (on Bf-109 - since 1940). A dust filter was also installed at the engine inlet, the mechanical recharging system was replaced by a pneumo-mechanical one. A number of minor improvements have been made: push-button control of the radio station, a shortened antenna, etc. The lead vehicle was tested at the Air Force Research Institute from 17 to 27 December 1944, i.е. 10 months after the start of production of this modification. The name Yak-9M was assigned starting from No. 25-01, i.e. from the first aircraft of the 25 series. The Yak-9PVO was a version of the Yak-9M, designed to guard the USSR airspace in the operational rear, and differed from the usual one by better instrumentation, a smaller supply of oil and fuel, and the absence of armor. This was done in order to improve the two main indicators for the interceptor - speed and rate of climb - and to intercept in difficult weather conditions. In addition to standard equipment, the Yak-9 air defense had an FS-155 headlight, a VR-2 variometer, an RPK-10M radio semi-compass, an RSI-4M multi-channel radio station with an RSI-6 MTs receiver and an RSI-ZM-1 transmitter, a "friend or foe" transponder MF -3 and a light signaling the position of the landing gear (in addition to two green lamps on the instrument panel, two red lamps were lit). From the 25th to the 43rd series, a total of 4239 aircraft were produced. |
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