YUNIOR AND HIS RESERVES

We can safely say: engine MK-17 “Junior” is familiar to all modelers. One of the most popular among beginners and are produced in large series, it encourages the modeling of thousands of boys. Under the motor created a lot of industrial kits, semi-finished products. With models equipped with “Juniors” are the first sports categories air-, ship-, avtomodelisty-students and young builders of the different copies.

SIMPLE LATHE

SIMPLE LATHEThis small machine is designed for processing of wooden parts up to 200 mm and a diameter up to 50 mm. it can grind checkers and chess, arm to hand tools and more required in everyday life. To build such a machine, do not need no missing parts, no special material costs.

FOR NEW YEAR EVENING

NEW YEAR EVENINGAlmost three hundred years ago Peter the great issued a decree “On the celebration of the New year,” which was ordered “by the noble and carriageways streets at the gate and houses inflict some decoration of trees and branches of pine, spruce and juniper”. This custom caught on with us and became very popular. In the forest nurseries of the country annually produces more than ten million specially grown trees. Nurture each tree on the “new” plantations, accounting for at least 10 years.

ACCOMPANIES THE LIGHT

ACCOMPANYING LIGHTLight setup is very popular among young people. Scheme of another variant of this device suggested that the magazine “Radio, TV, electronics” (NRB). It consists of three color channels (red, yellow, blue) with frequencies section: 700 Hz to 3.5 kHz of 13.5 kHz. The design is greatly simplified thanks to the use of four similar blocks. “Filling” each block consists of two transistors and three resistors (see the diagram of block # 1).

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