Testing and Evaluation
The prototype Il-22 was rapidly assembled and made its first flight on 24 July 1947. It proved to have docile handling characteristics, but was severely underpowered as the TR-1 engines only produced 80% of the required thrust. During the latter part of the manufacturer's flight tests the Il-22 made the first ever Soviet jet-assisted takeoff on 7 February 1948 with a pair of SR-2 boosters. As the thrust of the engines could not be increased in a timely manner Ilyushin made the decision not to submit the bomber for State acceptance trials as its performance did not meet the requirements laid down for it in 1946.
Read more about this topic: Ilyushin Il-22
Famous quotes containing the words testing and/or evaluation:
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