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
From the bedroom – in the cold
It has long been out of fashion and replaced with new beds with iron headboards. A chrome tube of strong as before, and are unaware of corrosion. So, maybe not rush to throw them away...
BRUSH FOR FIVE MINUTES
You urgently needed a thin brush and matching hand was not — immediately make themselves needed. Take the vacant core of a ballpoint pen, pass through a long loop of thin perevoloki or...
