Public Design Bureau

WITH THE ENGINE. BUT WITHOUT FUEL

26.05.201813.05.2018World of models

Not so long ago in the journal “modelist-Konstruktor” was published material about model aircraft with pneumatic motor. The main advantage of this engine over any other is that the fuel it is not required. Instead of the usual plastic bottle (they sell carbonated water) to the working cylinder is supplied with compressed air. To resume the supply of such fuel using a car pump or that it is more convenient and easier, portable compressor to inflate tires.

TO PLANT POTATOES? WITH PLEASURE!

26.05.201813.05.2018Small-scale mechanization

Many farmers dream of a mini-tractor. It can be purchased in the store or do it yourself. But the benefits of a mechanical assistant would only be the case if it comes with tools that allow to mechanize agricultural work. One of such tools — a homemade trailed two-row potato-planter, which will be discussed.

FAMILY FAMILY CAR

26.05.201813.05.2018World of models

Russia is rich in people who can not imagine life without Hobbies, and his name—technical creativity. Their heads are busy with ideas and projects, and hand — work. Many of these people have designed and built single-handedly as many original cars as for the same time, idea can often develop the whole design Bureau.

Readers of “Modeller-designer” know a lot of names of Amateur inventors, can equally successfully realitate, SAI the designs and variety designs.

BOTTLE SAILING

26.05.201813.05.2018World of models

The number of cases of “improper” use of plastic bottles of carbonated drinks exceeded, judging by the publications in the journal “modelist-Konstruktor”, all conceivable limits. And recently, this bottle has adopted even modelers, created on its base ultralight tank for compressed air, resulting in rotation of the pneumatic motor of the airplane.On the basis of these lightest of the vessels was developed as several boat and for novice modelers and for older children.

SCOOTER WITH HOMEMADE STOCKS

26.05.201813.05.2018Auto Moto Service

In Soviet times collective farm and state farm meadows often held cultural pastures on which was mounted a water system.

With the collapse of the nearest to us of the farm sprinklers on this meadow had deteriorated. And dural tube from it up to ø 250 mm and length up to 12.5 m and left lying in the grass.

UNIVERSAL METAMAGIC

26.05.201813.05.2018Small-scale mechanization

Towing for wheelchair users, skaters and cyclists. vehicles can be divided into motorized and non-motorised. And the second can be transformed into the first by equipping the engine. So at the time of bike get the bike out of the coach — car, tram — tram. But unfortunately, not every non-motorized vehicle can be equipped with internal combustion engine: if you install it on a wheelchair, then it will be impossible to use at home, and be equipped with motor roller skates or roller skis will hardly allow their sizes.

“HELLO” — “MOSCOW”

26.05.201813.05.2018Design

I homebrew with years of experience, have built and snowmobiles, and ATVs. But my biggest passion is boats. Despite today’s gloomy everyday worries, I still find time to do what you love.

As you know, produced by the domestic industry before outboard engines (PLM) was far from perfect. Often craftsmen themselves had to bring them to mind: to reduce weight, increase power, make more economical, reliable and even aesthetically pleasing.

CRAWLER

26.05.201813.05.2018Design

This track snowmobile a little familiar to our readers. His picture was published in No. 3 of’99 our magazine under the category “Panorama photos of readers ‘letters”. Made it Valery Bogdanov from the village of Tabory, Sverdlovsk region — head coach of youth club of physical training, a gambler and enthusiastic. The work of his love for her, even refusing registration of disability. Besides an avid fisherman and hunter. Another passion is snowmobile machines, and hand made.

DECIMATED “BREEZE”

26.05.201813.05.2018Small-scale mechanization

Well the classics! Out beyond the outskirts, in places reserved, the endless expanse, the grass is high, the breeze fresh. All poetic mood adjusts. Here is born: “mow, scythe, while the dew…”, “Razzudis shoulder razmahnis hand…”

Ordinary today’s “urbanizirovan” peasants (and townspeople — the owner of a small land near the house) sometimes to sublime. Mow-to cut grass often in places where neither hand nor with any mechanical scythe, as they say, especially not at first.

WITHOUT DAMAGING THE CARRIAGE

26.05.201813.05.2018Design

The carriage road, and any other bike is perhaps the most loaded mechanism. Therefore, in the carriages with the outer conical bearings at moments of considerable congestion often destroyed bearing cages, often damaged, and ball tracks on the cones of the carriage shaft. Intensive wear of the tracks occurs when operating a Bicycle on unpaved roads because of the dust in the bottom bracket.