The history of the MiG-15 began after the Soviet trade representatives in 1946, Britain was able to purchase from the company a Rolls-Royce turbojet engine the most advanced of its time Derwent 5 with a thrust of 1,590 kg, Nene I with a thrust of 2040 kg and Nene II with traction 2270 kg. In the USSR, these engines received the designation RD-500, RD-45 and RD-45F, respectively. After that, it became possible to create a fighter with a flight speed of about 1000 km/h and a ceiling in excess of 13 000 m.
TABLE CAMPING
Makeshift camping table is easy and quick to assemble on a halt during journey or trip out of town with the spare wheel that is always available in the trunk of the car. Device it is clear from the figure. Rectangular duct-strut and the top are made from thick plywood, the outer surface of which Read more…
The well-known school electroscope, which demonstrate the phenomena of electrostatics, determines only the presence of electrostatic charge. What is it, positive or negative, we can only guess. This shortage is deprived of the device designed for young hams syut Nadvirna town, Ivano-Frankivsk region. It not only determines the sign of the charge, but also its approximate size.
Model autogyro designed and built in the laboratory of the Aero modeling club of young technicians of the Siberian branch of the USSR. The author is a graduate of the class of technical physics and mathematics school Ilya Skiba. The model is made in Cordova. In this case adjusting it is easier than Svobodnaya. The design of the autogyro is quite simple. The fuselage, landing gear, empennage, engine mountings — as a conventional cord models. A three-bladed propeller creates lift, rotating from the incoming air flow, that is, using the phenomenon of autorotation. However, the number of blades may be three, four or more.
I’m a subscriber “Modeller-designer” already since 1972. Much of that time has changed, but the content of the magazine, I (and not only me) are quite satisfied. Let increased its subscription price (which is of course not pleased, but not scared — I understand the difficulties of the editors), I’ll write a journal, yet it will exist. Not going to list those topics in it that interest me the most is all that can be done in a home workshop, ranging from simple stools to, for example, motoriety. I also do many things with their hands (friends call me by this “local Kulibin”).
Numerous experiments to create a map with the electric drive until now led to the emergence of machines, its high-speed qualities can become a training, not racing. After analyzing design flaws, we tried to create electrocat (Fig. 1). able to become a competitor to the traditional internal combustion engine.
