Motorcycles. From the convenience to epinephrine

Motorcycle. From the convenience to epinephrinePeople of the older generations still remember those days when motorcycle in Russia was a full-fledged means of transportation. In extreme shortage of cars and their very high cost, the bikes were much more affordable. They were used not only in rural areas but also large cities. Tens of thousands of two-wheeled machines drove through the country roads, being indispensable for purely practical purposes and for recreation. In fact, a similar pattern was observed in developed countries, only a couple of decades earlier, and to a somewhat lesser extent.

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KAMOV Ka-15M

KAMOV Ka-15MThe first experimental coaxial helicopter construction.And.Kamov, who headed at that time, the Bureau of new technology of TSAGI, took to the air in 1947. In 1948 N. And.Kamov continued to work as chief designer of the specialized design Bureau. And in 1953 there was built and tested helicopter, which became a turning point for EDO— Ka-15. It was a double unit coaxial with the engine AI-14V power of 255 HP design A. I. Ivchenko.

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THE LEGENDARY “VARYAG”

LEGENDARY LEGENDARY Exactly one hundred years ago the name of this ship became known around the world. On the morning of 9 February (January 27 old style), 1904 the cruiser “Varyag” was on the RAID of the Korean port of Chemulpo, when his commander—captain 1st rank V. F. Rudnev received the news of the outbreak of the war with Japan. By this time, the exit of the Bay blocked the enemy fleet and the Japanese offered the Russians to surrender. Despite the fact that the enemy was a clear superiority in forces, the Russian Navy rejected the offer and took the challenge coming to an unequal battle. At 11.20 both caught in a neutral port, the Russian ships— the cruiser “Varyag” and the gunboat “Korean” weighed anchor and headed to Sea. “We saluted those heroes who so proudly marching to certain death,” — so expressed his admiration for the witness of the battle, the commander of the French cruiser “Pascal” V. Sanes…

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GUIDED ANTI-AIRCRAFT MISSILE “WASSERFALL”

MISSILE In the development of controlled anti-aircraft weapons of Germany during the Second world war, of course, surpassed all other countries. Work in this direction started there quite early and was based on a high level in the development of German science and technology. September 1, 1942, appeared the Memorandum of the inspector General, defenses of General von Axhelm, supported by Goering, who provided the following directions:

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RIDING FAN

This single machine with “air cushion” created in the engineering laboratory of the Leningrad Palace of pioneers named after A. A. Zhdanov. One engine from the motorcycle, rotate the fan creates the necessary pressure under the platform, the second, of bike air screw located behind the driver. The device weighs only 45 kg; the test Read more…