WHY STING “JADWIGA”?

WHY STING

Bee venom — a valuable and irreplaceable raw material for many drugs — get different. For example, when using the device “Jadwiga”. It takes on a special frame-dosborne placed in the hive, annoying the electric impulses that cause bees to defend. Jala frame, winged healer leave on her own, fast crystallizing venom (see “Mo-delist-Konstruktor” No. 12’92 6’99).

TRIMARAN… FOUR BOATS

TRIMARAN... FOUR BOATS

Advantages of compact folding boats is obvious, disadvantages is also. In one of the old issues of the journal “modelist-Konstruktor” (on last page) photos and a brief description of a folding trimaran Leningrad shipbuilding V. A. Vakulenko. His trimaran consisted of three folding units in a triangle and connected in a single whole lattice platform. The great thing about this design is the extreme simplicity of the housings. This is the basis of my boats.It consists of four identical folding compartments. Their side opened and fixed in this position by the spacer in plan resemble a diamond. At the same time, the underwater portions of the compartments have smooth streamlined contours. Sealed jar and two bracing bays to form a trimaran.

Read more

MOTOR-PLOW ILICHEVA

MOTOR-PLOW ILYICHEVA

…The silence of the Sunny spring morning shattered the clatter of the engine. The farmer, perekapyvayut shovel your garden, straightened up and looked over the fence into the neighbor’s plot: what’s that noise in the elderly Ilicevic? He saw from behind the outbuildings to the garden went, shooting a blue smoke, a little two-wheeled machine, behind which, holding the long handle of the control, Chagall Ilicevic son-Sergey.

Read more

WINDOWS FROM EUROPE

WINDOW OF EUROPEThe glass their hands. Scientists are constantly talking about global warming, but nature in winter so additional “tightening” frosts and blizzards, which casts doubt on this assumption. In those days, in the homes included all the available heating devices. It isn’t getting warmer. Then you have to think about how to provide a comfortable temperature in the house is in any cold weather.Experts say that about half of the heat from the premises goes through the Windows. And this despite the fact that the window area does not exceed one tenth of the area of all other enclosing structures (floor, ceiling, walls).

Read more

GHOSTS IN THE ROYAL SERVICE

GHOSTS IN THE ROYAL SERVICEIn the beginning 1960-ies to the leadership of the British Navy faced the problem of replacement fighter aircraft “sea vixen” (Sea Vixen) more modern machine. First, the sailors wanted to buy from your company “Hawker Siddle” (Hawker Siddeley) supersonic aircraft vertical takeoff R. 1154. But because of its high cost and the inevitability of problems in development, they turned their attention to the American Phantom, which was relatively cheaper and did not require a large investment of time to create.

Read more

THE SNOWMOBILE RIDE YOURSELF!

When winter comes and the snow is “fluffy blanket” covers the ground in many areas, the only vehicle able to overcome it “fluffy blanket”, it becomes tracked all-terrain vehicle or, more commonly, a tractor with a sled-scraper. Of course, you can buy a Japanese ski-goose-nicou Yamaha (though it is worth more than another car) or buy now rare a cheap domestic “Buran”. However, always need such a powerful machine?

Read more

OVEN-BED

Oven is better to put. Built by the owner, it will serve him throughout life; only once in 7-8 years, it will have to be clean (soot typed 2-3 buckets, because the rate of increase of its thickness on the surface of the chimney up to 2 cm per year). So, oven-shield (Fig. 1). It has five wells and five turns of smoke. More of them should not do: be a bad pull, because the pipe needs to heat up — then it works like a hood (if for this purpose I had to set the blower motor, the power it needs to achieve 0.2 kW). Three turns too bad — large heat loss.

Read more