Buy a scooter, even despite the fact that these machines are mostly measured not so expensive, especially in the secondary market is an important event, and not even because in any case, the money should be spent wisely. But because a scooter is a vehicle. So, the quality of the machine and its characteristics determine not only a comfort travel, but first and foremost safety on the road, and it is against this criterion, and to select a scooter. In order to purchase a quality machine, in the first place is to pay attention to its technical characteristics and the reliability of all nodes. And if possible, in the beginning it is better to take the scooter rental cost in most cases available, and the experience and knowledge will pay off.
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In 2007, No. 9 of our magazine was published an article by Muscovite Vladimir Aleshin on the invention of the Bicycle the hub of the rear wheel, capable of movement to choose the optimal torque and in a timely manner automatically shift gears depending on acceleration.
CAR — FOR WHAT? You need a car? What? This question confronts everyone who intends to buy a car manufactured in the factory. But as you know, choosing the right type of machine is limited. Even more urgent this question, if the car decided to build their runes.
Today’s motorcycles are becoming those who want to stand out, who prefer speed and adrenaline. But only have this vehicle for many not enough. Many drivers dream to make their equipment more interesting, and nicely decorated. There are no problems with it today does not occur, since there are many stores where you can buy any of the accessories and elements.
“The most cherished dream — height, height…” So goes the famous song about the pilots. Height — cherished dream and modelers-rocket, no matter what class competitions were athletic. For “tall” models it is a direct goal, and a planning and parasitisim dialed height guarantees good duration of the flight.
To rocketmodeler it is no secret that the easiest way to measure the height of the flight model triangulation method. It is based on the measurement of the angles between line of sight and reference planes. Is the choice of the reference planes and the measured angles is largely determined by the degree of difficulty of the subsequent trigonometric calculations of the height.
(The end. Beginning in № 12, 1974)
Zaim standard of six acres, for several years in a row are unique, by definition of neighbors of a vehicle are both upgraded sled, and manual single axle truck. He was convinced at the lowest cost here, indeed, benefit.
Paul A. Deryabkin, snowmobile enthusiast equipment Ivanova from the city, have created more than one snowmobile. His first design, snowmobile-amphibian (photo). successfully tested six years ago. The trail was designed and built trehmernye snowmobile, which also showed good driving performance. But they had a weak side: the lack of stability on sharp turns and when driving on rough terrain. And now created a third option: chetyrehlistnyj snowmobile (figure), which, according to P. A. Deryabkin, was the best.