K-7 is a Soviet multi-purpose aircraft pilot-giant design Bureau K. A. Kalinin. Was developed in the early 1930-ies, using original engineering solutions, new technologies and materials. Passed flight tests in 1933, however, in connection with the identified deficiencies in the design, and the disaster of the first produced aircraft, the test failed. In 1935, in connection with the change in the Soviet concept of aircraft construction, the construction of two new models of the machine was suspended, and then all work on the K-7 is discontinued.
Recommend to read
A FAILED “DOUBLE”
The unsuccessful Russo-Japanese war caused a powerful flow of criticism and accusations against Russian warships, primarily cruisers. The unenviable fate of our clumsy "goddesses" swift...
THE CUTTER OF THE NAIL
If you want to cut plywood circular disk or to cut a hole in it large diameter, it is not necessary to have a special cutter or a jig saw. Take a wooden bar and two grozda. One beat...
