ON THE TRACK, RADIOLOGY

Increasingly popular in Italy become competitions of radio-controlled jumper car, kind of buggy self-similar sports. Suspension, is stable throughout the rpm nitro motor with a working volume of 3.5 cm3 , a high resistance to allow radiology confident to undergo the complicated routes, overcoming mud, puddles, steep climbs and descents.

MICROROCKET ULYANOVSK SCHOOLCHILDREN

MICROSOCIETY OF ULYANOVSK SHKOLNIKOVRocket modeling is recently gaining popularity in the Ulyanovsk region. Guys of all ages come in groups space modeling. Interesting fact: regional team “rocket” is composed almost entirely of pupils of 4-8 grades. And this team, despite his young age, two years in a row at the zonal competitions of the championship of the RSFSR honorary second place. About the most successful development of the Ulyanovsk athletes students this story.

HOMEMADE DRILL

 

HOMEMADE DRILLOsnova difficulty in creating a homemade drilling machines — making mechanism of vertical movement of the working body. What if you make a machine entirely without the mechanism to serve Chuck with a drill bit, and the item itself? In this case the structure is greatly simplified. No claim to originality for his decision, but it is this idea that allowed me to design and manufacture the machine, the device which is shown in the figure.

YACHT FOAM

BOAT FOAMFor training younger students in ship modeling circle city of Kaspiysk, Dagestan Soviet Rupublic under the leadership of V. Tolchennikov developed a model of the yacht foam. It is easy to manufacture, does not require scarce materials and skills from the guys. Students in grades 2-4, resting in the pioneer camp will be able to produce a model for two or three days. In addition, such yachts can get the best results that will allow children to learn the rules of the competition and the judging.

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DESIGN THE PRINTED CIRCUIT BOARD

PCB DESIGNNovice hams are often hesitant to begin the Assembly of electronic devices just because in the description is missing the picture of the PCB, and to develop its own not everyone can. Indeed, without sufficient experience to make it easy: it is necessary to know how to choose the best dimensions to correctly place items in a timely manner to detect and correct errors. Therefore, we recommend you to master the design of printed circuit boards with the simplest.

GREENHOUSE-AUTOMATIC

GREENHOUSE-AUTOMATICThe “greenhouse effect” can work for good — with a lack of heat in the spring or cold summer days, and evil — when the bright summer sun brings the temperature in the greenhouse to levels that even heat-loving tomatoes and cucumbers do not stand up and die. This does not happen, when at any moment you can lift the transom and reduce thereby the temperature in the greenhouse. Well, what about those owners of the garden plots, which come to the country at best once a week?

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AND IT’S A KITE!

It may seem that athletes prepare for the start of the model — copies of old plane. But this is not true — a few minutes into the flight will go is made in the form of an airplane… a kite. Every year in the city Olstin from all over the country attracts lovers of Read more…