Modern models of bikes full of new materials and technologies. But in most cases it touches the chassis, steering, powertrain. Virtually unchanged in design remains only a spoked wheel: the Central steel sleeve on the axle, steel spokes, metal rim and rubber tire on it. Of course, the inventors here do not remain on the sidelines, offering, for example, various embodiments of bushings, oval and even a variable section spokes, different profiles and material (steel, aluminum, carbon fiber) rims etc, but that does not change: spoked wheel is still the lightest, and therefore irreplaceable.
“EIGHT” IN THE CIRCLE
Input class EX many other differ a good combination of simplicity of their manufacture and striking appearance. Impressive dimensions and the technical equipment of these models generally provide a decent level of sports and enhanced entertainment, attracting many fans.
Not so often at the winter tracks and the hills will meet snegohodnomu homemade equipment for children. This is mainly well-known industrial design of the “Chuk and GEK”. On some have low-power internal combustion engines. For all its obvious advantages, they also have disadvantages. However, avoiding discussion on the topic of “for” and “against”, look at the unusual layout of sled-monoskis with the motor.
Which only tricks nor embark on the owners of automotive vehicles to prevent wheelspin, maximize traction from their mechanical helpers. Here and further weight gain traction at the expense of baletnogo of the goods and the transition to large diameter wheels and use of special (wide) tires with special raised tread, and even such non-standard technical solution, as a partial filling of the pneumatic chambers with water (“modelist-Konstruktor” No. 2, 1993). And, of course, vehicle wheels lugs, and a wide variety of designs.
In the winter time of the year for motorsports fans there is a period of relative calm. The reason is the bad conditions in which falls the driver, drove on snowy, sometimes icy road on your two-wheeled friend. But on the road you can only travel on a specially prepared (spiked wheels) motorcycle.
Almost ten years leading group Russian rocketmodeler-ing in the so-called sports classes is headed by an athlete from Magadan I. Shmatov. In his father’s footsteps is his son Anton. The last three years, he was the winner of the world championship among juniors, and in 1997 became the champion of Russia among adults in sports classes Ѕ6А and Ѕ4В. Today our story about the rocket with the brake band.
In today’s post — the story of rezinomotornaya models of a new class F1G, technical requirements which can be reduced to two basic: the minimum weight of the aircraft without rubber motor 70 g and the maximum weight of the lubricated rubber motor 10 G. Models that meet these requirements, successfully designs and builds in aeromodelling circle of Club of young motorists profkoma OAO GAZ seventh-grader Kirill SHAGIN, who in July 1997 was the first champion of Russia in this class of models.
Trailers for passenger cars, turning them into a small truck, particularly popular with rural residents and owners of summer cottages. Naturally they greatly facilitate the delivery of a wide variety of goods — sand and peat, sand and manure, bricks and gravel. It is a pity that load and unload their accounts entirely by hand — with a shovel.
The journal “modelist-Konstruktor” already published materials created by skilled craftsmen in Altai region opposed two-cylinder engines with integrated gearboxes (No. 3, 1987, and No. 8 for the year 1989). Now — the story of the machine for which they are intended, as well as an improved engine, M-40, assembled from parts motorcycle motors IZH-P-4 and Il-W-5 and tractor “poscache” PD-10.
Whether on forces to build a yacht for the beginner to sailing matters, having in disposal only the materials from the stores “Do it yourself”? The main problem that he faced at the beginning of their labors, is the choice of design of the future vessel. Once a few years ago in a similar situation, I decided that the easiest way is to make the sailboat of the tourist serial portable kayaks. And of all the published canoe designs the most attractive seemed to me project boat-trimaran. 