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Allied and Soviet Air Forces Please use this forum to discuss the Air Forces of the Western Allies and the Soviet Union. |
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#1
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Major Aleksey Kubyshkin
Seems that this Offz flew an Ar234 from Pütznit to Rechlin on 8.mai 1945,
Hv someone more about this/these flights, is the logbook of Kubyshkin "open" ?? Rémi |
#2
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Re: Major Aleksey Kubyshkin
Remi: all what I was able to find (in russian)
Quote:
__________________
Went to war. |
#3
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Google translates:
Although the plants of firms Arado and testing center with the airfield were in the Soviet zone of occupation in Germany, but serviceable, suitable for flight Ar.234 were found. To test was chosen Ar.234V2 (W.Nr. 140,355), a brief history which follows.
Car built in January 1945, two months later was made a forced landing in which the landing gear were damaged, the plane and some power components fuselage. After overhaul and refurbishment of aircraft repair plant conducted in g.Rybnitts Bachmann, in the first flight (in April 1945), the car broke down the right engine. Jet made an emergency landing at the airfield Pyutnitts, where he remained until the arrival of Soviet troops. Brigade Air Force Institute immediately began restoring the car and she, although not without problems, was given in flight status. To save time, the first phase of flight test was held in Germany. The flights were conducted first at the airport Pyutnitts and then Rechlin and Hertz. On the conclusions of the chief of the Air Force Institute of Engineer-Colonel AG Kochetkov left an imprint that he is constantly compared with Ar.234 Me262, tested the day before. Kochetkov said Ar.234 least brought a constructive and far inferior to the flight and tactical data (Soviet testers received the maximal speed 690 km / h at 4000 m), but superior in range and duration of the flight. Indicated that the Arado more difficult to pilot technique than the Me262, and has a number of design flaws, such as takeoff and landing aircraft properties were not allowed to operate flights with full loads from the airfields of normal size without the use of boosters for take-off and braking parachute during landing. Thus, when a flight weight of 8,170 kg for the runway required 1,610 m concrete path, and landing at a speed of 146 km / h run was 1,330 m. Arrived in Germany, a leading engineer, Major-General IG Rabkin, and the pilot, Maj. AG Kubyshkin, after studying the ground Ar.234 from 25 January 1946 started to fly on it. But the next day the test was interrupted because of the accident airplane. Alex Kubyshkin was a very experienced tester. Since December 1934, when he arrived at the Research Institute of the Air Force, they had developed more than 130 different aircraft types: domestic, foreign, including trophy, was committed more than 8500 flights, for which he was awarded the title of Kubyshkin test pilot class 1. Many years later, he recalled that the Ar.234 he did not lay the soul from the very first meeting with the machine. Presentiment did not deceive the pilot - the third crash, on Jan. 26, 1946, which nearly ended in disaster: climb the left engine caught fire. "Nothing works on the pilot in flight, as a sudden sharp sound in an airplane, this time with a short cotton, sounded somewhere near, startled - recalled Aleksey. - Instantly appreciated what had happened: the engine on fire. Talked about it not just devices; the wing stretched plume of black smoke. " Maintaining a calm and prudence Kubyshkin instantly removed the Gaza Strip and cut off the fuel valve, after which the fire was tamed. Arado approached the airfield, but the flames at any moment could break out again. "Every minute flight seemed like an eternity. The plane seemed hung on the spot. To put the car had burnt in unusual circumstances. The fire still had time to mess things up a lot of things: there were decommissioned agoegaty control gear actuation and control unit flaps. The chassis had to release the accident-nym manner, and the flaps did not come at all. The slightest "mistake" during landing could lead to rolling out over the runway. But everything went well. " (It may be noted that the circumstances of the accident Kubyshkina very close to a similar catastrophe in Zell November 2, 1943). When planting with the best hand proved to be the brake parachute - he has cut the length of the run up to 635 meters (with a parachute canopy from flat dvadtsatiugolnikov held later special studies in LII. It turned out that the average path length is reduced by 40%, in line with corporate data.) After the restoration of the aircraft, 14 February 1946, tests were continued, and on February 26 finished. Total failed five flights with a touch of 3 h 13 min. On the last day of testing again, there was a fire - this time in the right engine during takeoff. On examination revealed damage to the engine, similar to the first case: burned nozzle, burned and destroyed the turbine blades. Pilot noticed that the lack of review of the back hemisphere is not allowed time to detect a fire engine, and the refusal notice only to fall speed and the characteristic rattle. Altogether during the test failure came two engines, which have gained only 11.7 hours. The German report states that in order to ensure continuous operation of motors Jumo004 early series it was necessary to carefully manipulate the Gaza Strip. This requirement is easily satisfied for reconnaissance flights at maximum speed and at high altitude. German engineers have suggested that the aircraft Ar.234 be safer to use than the Me262 with similar motors also due to the presence of only two large fuel tanks and more thoughtful execution of high-rise elektropomp. But the engineer IG Rabkin made a different conclusion. Narrow gauge chassis and the lack of effectiveness of the brakes made it difficult to taxi and aging trends in the early run and at the end of run, especially when crosswinds. This not only made the takeoff and landing Ar.234 much harder than the Me262, but also forced the pilot constantly resort to unilateral sudden movement Gaza Strip (which is categorically prohibited the instruction manual engine Jumo004). This, apparently, was the main reason for failures of jet engines and, consequently, downtime Ar.234. In addition, the aircraft was, according to Soviet engineers and pilots in piloting complex, compounded by significant removal of the cab relative to the wing, the lack of lateral stability at low speeds and high loads on the control knob from the ailerons at speeds exceeding 450 km / h. In short, enthusiastic assessments of the Soviet Union Arado is not received. |