There are several classes of ship modeling, in which the apparatuses have very small external differences. So, very similar model classes F1V-15, FSR-3,5, FSR-6,5, F1V-5 and F1-E. “Why build model-twins to participate in different competitions?” — decided the Kazan athlete master of sports G. Kalistratov. And developed a universal body that is equally suitable for models of all five classes. The result is a great model, built on the basis of this hull showed at the competitions excellent results. So, in 1980, G. Kalistratov became the champion of the USSR in the classes F1V-15 FSR-3.5, in the same year, took seventh place at the world Cup, while also installing all-Union speed record, and a year later, speaking in class F1E, won the world championship.
Read more
Electrocaloric (Fig. 1) consists of a spindle with a bobbin and flyer, electric motor, transformer and switch. The metal shaft of the spindle (Fig. 2) a console fastened to the rack on two bearings: with a free hand for him to put on the reel-spool and the pulley, which is secured by a nut-lamb. On the other hand the crank shaft is drilled a channel to pull the yarn and the welded flyer.
Battery (battery) of a mobile computer (laptop) holds 700 – 800 cycles charging/discharging: approximately three years of active service. With a bad battery the laptop loses its main advantage is ensuring autonomy. And then there is the problem of replacing or repairing the battery. New costs 3-4 thousand. The restoration of the old service station is estimated not much cheaper.
You never thought about the fact that your car racing has a good gyro, and not one? But they are made and put into place your own hands! Their role is carried out by the engine flywheel and gear wheels. In the not-so-small mass and size, the frequency of their rotation is so large that such is not always seen in the “adult” technique.
At the beginning of world war II the threat of Japanese invasion on the island of New Zealand growing by the day. The country was in danger, not having any modern weapons. Under these conditions, the Public Works Department has proposed a draft tank on the basis of the tractor D8 Caterpillar (“caterpillar”). The army was interested.
Looking at this unusual backpack, shown by the team of the Leningrad regional Council of tourism, you catch yourself thinking: how had not thought of before? Indeed, in a normal backpack, even properly Packed, all belongings in a heap: to get to the bottom, you need to shake everything. Now imagine three separate bags: one stacked products, other auxiliary equipment, the third — warm clothes; then all pulled together by the lacing and shoulders! On the middle section reinforced wide webbing or machine: go to a small hike — you can do this middle.
By its design and speed of installation it is really something akin to modern foldable umbrellas. The body is a hemisphere. Its surface, like a peeled orange divided into wedges sewn or glued latermaybe: the missing tubular spokes, stretching the tent like an umbrella.
