
Despite the abundance in the automotive and tractor equipment, interest in improvised structures is not lost. The main reasons are the wish to create something, not to mention saving the family budget, and in the absence of sales of cars “to taste”. This is especially noticeable in rural areas. Enough to drive off from major cities about thirty miles, as you start to meet on the roads and in the yards of curious handmade.
Public Design Bureau
SCREW? IT’S NOT EASY
THE TECHNOLOGY OF MAKING WOODEN PROPELLERS. Snowmobile, aerolizer, all kinds of machines hovercraft, wig, microplane and microstoria, various fan installations and other machines can’t operate without air screw (propeller). Therefore every enthusiast of technical creativity, wanted to build one of these machines must learn to produce good propellers.BIRDS VS. AIRCRAFT
Clash of pigeons with a pigeon taking off at the Paris airport of Orly liner “the Boeing-747” has led to the stop of one engine and an emergency landing before the plane continued an hour circling over the landing strip and leaked 40 tons of kerosene. The total loss of engine repair, fuel theft, downtime of the liner within ten days amounted to about $ 1 million.SHOVEL HEAVY SOIL
Not just once or twice I had to dig up waterlogged clay soil at the site. The earth clung to the shovel in such numbers that further work without purification was simply impossible. Remove soil from tools, too, was difficult and took more time than the digging.
A MOTORCYCLE INSIDE THE WHEEL

One-wheel motorcycle that is not afraid of off-road, constructed in the village of Yanino in the Leningrad region Eduard Melnikov. A four-foot wheel of a car rolls freely through meter pits and ditches, he does not mind the deep snow and small shrubs.BRONZE MEDALIST OF THE WORLD CHAMPIONSHIP
It has long been noticed: the pilots, even the most beautiful aircraft, whether it’s a huge “Boeing-747” or fast and agile MiG-29, never refuse to fly on UltraLite if they are given the opportunity. Paradox? Not at all. Most likely, only in the cockpit unprepossessing at first glance, the ultralight aircraft they are fully able to experience the feelings that accompany a free flight.SNOWMOBILES: IDEAS AND DESIGNS
Alexander Mikhailovich Zavorotny lives at the station of INTA, near the Arctic circle. In the field of technical creativity, he is no newcomer. He has several original designs snowmobiles and motonarty that he is constantly improving.BOAT-AMPHIBIAN “SWALLOW”
The idea was truly grandiozny is to design and build a versatile vehicle, able to move confidently off-road (land version) and be speedy and reliable afloat (boats). After a few years the boat amphibian was ready and passed first tests. Started normal stage of refinement, enhancements, improvements, ride quality and handling. In between working in the garage was the shows long passages, test runs in road conditions and water crossings.CLASS “A-3” the mass is, the skill will be!
This is one of the most heavy and high-speed models. It belongs to the class “A-3” according to the Rules NAVIGA. The model consists of the following main components: hull, floats, motor (10 cm3! with shaft, propeller and fuel tank. Hull and floats are made from a light and soft wood, preferably balsa.THE BIKE CHANGES SHAPE
This is another publication about new ways of use of the Bicycle the inventor, V. M., Gavrilova — the inhabitant of settlement Inozemtsevo area of Zheleznovodsk in Stavropol region. Previous publications in magazines “modelist-Konstruktor” No. 10’97 and № 5’2000










