The hardest for Russia the First world war, followed by even more destructive for the country’s civil war, rejected the Navy powers for many years. The winning “red” had to use the pieces of the former “Imperial” power. This was the case with the submarines. In the 1920-ies in the system was gradually introduced surviving pre-war units, and not always the best. Rather, the best preserved, which can be put into service without a Herculean effort and cost. As for the future, the legacy remained a motley bunch of projects for the development of domestic “leopards” overseas “Holland” and “products” of the Italian Laurent, who were in very different stages of development. An important problem was that the cut for several years by the global military-technical thought Soviet Russia could not make good use of the experience gained in the development and operation of submarines in other countries during world war II.
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Today, when in any toy store you can always find a not too expensive radio-controlled models of cars, their availability would have to completely replace trace model. However, practice shows that the latter is still very popular in the children’s centers of technical creativity with circuits. There is still continuing work on creating a new highway model. The fact that they remain a very fertile subject to technical creativity, as you can make them without complex machinery and without expensive materials and components.
The basis of the most famous British car company Jaguar Cars was firm SS Car Company, which in 1945 had to change its name — becauseone SS at that time, no one called benevolent associations.
Carrier-based fighter Grumman F3F of the company. In the early 30-ies of the American company Grumman was the undisputed leader in the production of fighter biplanes for carrier-based aircraft. The reason for this was the desire of the designers of this company to apply on their aircrafts with the latest technical achievements. The firm’s assets — development of the original scheme of the landing gear, enclosed cockpit and all-metal fuselage-monocoque with a smooth lining.
Homemade sports and tourism of the court, unfortunately, does not always turn out successful. In some uncomfortable to row, while others were poorly managed under sail, others “roam” by the motor, the fourth is too heavy for its size.
Japanese aircraft and engine firm Kawanishi Kokuki KK was founded in 1928 and produced mainly military aircraft, which later was widely used in world war II — four-engine reconnaissance flying boats Н6К and Н8К, as well as a fighter N1K1 float and ground N1K1-JSIDEN (purple lightning).
And then not only did these guys on their skittish mechanized horses! That famously drove past us one after another, zdybel homemade motorcycle on the rear wheel. Then, giving the engine full throttle, broke on a steep sandy slope. We have made a dashing jumping, landing, as befits the masters of motorcycle sport, on the rear wheel.
A company called Anonima Lombarda Fabbrica Automobili. which subsequently became the acronym ALFA, was established in June 1910. First released it the car had a high speed, power and stability on the road. In 1915 the head of the firm was the engineer and entrepreneur N. Romeo, whose name is the second part of the name of the world famous automobile company Alfa Romeo.
The idea of creating a small four-wheeled carriage with electric drive for pleasure trips in the picturesque surroundings of Peterhof came to us last year. Before that, we built two-wheeled machine as a drive unit used for electric drill, powered by a car battery through the transistor voltage Converter.
A lot of interesting instruments created in radio school of the Gomel Palace of pioneers and schoolchildren named after V. I. Lenin. Here are some of them: pulse the flash and the instrument for testing high-power transistors developed by members of the group Valery Denisenko and Sergey Skruzny.