Choosing a suitable engine for aerosleds is a far from simple task. Series engines, for many parameters (in particular, specific power), do not satisfy amateur designers. That is why some enthusiasts choose a rather complex, but correct, path: to create motors of their own design using units and parts from series engines. The editorial office Read more…
The best delta glider of amateur construction that took part in the «Dombai Peaks» competition in 1978 was recognized as the «Sokol-2». Its creator was V. D. Mikhailov, a Master of Sport from Leningrad, a well-known specialist in designing and sewing yacht sails. Therefore, his desire to use the latest achievements in sailing sports when Read more…
To begin with, I suggest that car‑enthusiast readers run a small experiment. Next time you drive out of town, stop on a high‑speed stretch of highway and watch the passenger cars rushing past. In fact, you shouldn’t so much watch as listen. After fifteen minutes you’ll learn to recognize the main car makes by ear: Read more…
The simplicity of the “Arfa” design is probably unique. The vehicle has only six main parts: a frame with an engine, a rear axle, wheels, a ski with a steering rod, and a steering wheel. The snowmobile’s reliability and low maintenance match the very highest requirements imposed on a vehicle intended for autonomous runs across Read more…
One day I came across an article “Vitamin jack” (“M-K” No. 7 for 1985), where the author writes that when preparing juices he crushes apples with a wooden mallet in a small barrel. His argument in favor of such a technology — purely manual — seemed unconvincing to me. Therefore, I decided to share with Read more…
Original and practical designs by the Vinnytsia resident Oleg Andreyevich Ostapenko clearly appealed to the readers of our magazine. After a Central TV broadcast “This You Can”, in which the editorial office plays an active role, and a publication in “Fotopanorama” (see “M-K” No. 1 for 1986) of some developments by a self-taught designer, many Read more…
“My childhood fell on the hard postwar years,” begins M. I. Psaryov in his letter to the editorial office. “Back then, we made our own toys. Apparently, that is what planted in my soul a love for designing – all my life I have never parted with tools, metal, wood, and, of course, pencil and Read more…
Ambrosia… This noxious weed, widespread in the southern regions of our country, causes a lot of trouble for farmers. Rapidly spreading in the open, it severely depletes and dries out the soil, and in fields it chokes out cultivated plants. Ambrosia is a frequent cause of poisoning in domestic animals, and in humans its caustic Read more…
Is it really necessary to divide transport into urban, intercity, off-road? Wouldn’t it be better to create some kind of universal one that could be used everywhere? It must be said that there have been many such attempts throughout the history of technology. But life shows their failure. The search for something universal, suitable for Read more…
For a thrifty, handy owner, everything is always at hand. There may even be a homemade mini tractor, not to mention mowers-threshers and other motor and electric helpers. And this is quite understandable: with such equipment you really will not be at a loss anywhere. A worthy place here is occupied, helping to keep the Read more…
