Unlike most other countries, the Japanese tank development began not with light, but with medium tanks. The first was a medium tank “2589” (see “modelist-Konstruktor” No. 1,1997), developed in 1927, based on the English tank “Vickers” MK With and experienced the Japanese “2587”. It was created on the basis of contemporary ideas about the role of tanks that had prevailed among the Japanese military, according to which the main task of the tanks was to support infantry. To the middle 1930-x years, these views have undergone a major adjustment. In particular, armor protection and mobility “2589,” was deemed insufficient. These findings formed the basis in 1936 of the technical requirements for a new medium tank. At smaller sizes, better mobility and a more powerful armor than its predecessor, he had to have the same armament — 57 mm gun and two machine guns.
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Upcoming XXV Congress of the CPSU will summarize the implementation of the ninth five-year development plan of national economy and chart a new rollers of Communist construction in our country. Like the baton, to pass a new five-year labor achievements of the ambitious objectives set in the Directives of the XXIV Congress of the party, and give a more powerful impetus to scientific and technical progress in all industries. transport, agriculture and construction.
The American aircraft company Republic Aviation Corporation, which specialized in the production of military aircraft, was founded in 1931 under the name of Seversky Aircraft Corporation. The most famous pre-war aircraft company became a long-range fighter P-47D THUNDERBOLT.
Her originality is evident when you first glance at this construction, and with familiarity this impression is further strengthened. Judge for yourself.
Many designs of metal collected with the use of electric welding. I made this several machines, and one was the most successful and easy to use. I offer welding transformer with electronic current control. It has no moving parts that require a high build quality and vibration. The control unit allows you to smoothly adjust the welding current by turning the potentiometer knob. At the same time all the range of the arc is burning stably. I think this design should be of interest to readers of the journal.
The era of universal shortage has prompted us to create the things in the shops it was impossible to find. However, the era of abundance has not stopped this process. Apparently, a modest domestic work is now subject to other laws dictated by market prices or a passion.
