CARDBOARD CAR

CARDBOARD CARTo join automodelismo the summer holidays will help is quite simple and yet quite successful design of a sports car. Created in Leningrad by modelers, it has proven to be promising for wide use in the self-similar circles pioneer camps, clubs of technical creativity in the community and at home.

“ZERO SIXTH” – THE STANDARD SERIES

Student design Bureau of Moscow Institute of civil aviation engineers have long occupied a leading position in the design, construction and research of trikes in porridge country. In the “M-K” has repeatedly published materials activities of SKB MIIGA; the last of them (“del’talet becomes a profession”, “M-K” No. 4, 1990| caused a surge of reader interest to the student KB.

BACKPACK WITH “BANANA”

BACKPACK How to make a backpack with your own hands? You’ll need durable fabric. Most suitable, fat nylon or avizent. From this material, the backpack will not be only durable but also waterproof. A few words about the color of the material. Of course, that first of all it depends on possibilities of purchasing the necessary fabric. But still, if you have a choice (by the way, quite often trim avisenta are on sale in shops “Make itself”) before buying, consider where you will use your backpack.

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CONSERVING WATER

SAVING WATERIt so happened that I had to raise three boys. Well, boys — “always dirty hands and, as a consequence, dirty valves on the taps. Besides, Junior just does not hold up to the sink. And then I came up with a simple idea: specially for children to put the usual “rustic” washstand. And fix it so the water swivel mixer tap could be drinking or in a bath or in the sink or in the shower. First, put it next to the sink, and then when the children grew up and moved to the sink as shown in the figure to the side wall, attracted it to the bracket

THEIR FIRST ROCKET

FIRST ROCKETWhere to start! This is the question asked by many novice rocketmodeler. What model to choose and what technology to build it! In our opinion, a good help in this will have material prepared at the request of the editors by S. Karasinym, supervisor of the club Houses of children’s creativity on Vasilevsky island of St. Petersburg.

INSTEAD OF NEONKI – TIRATRON

INSTEAD OF NEONKI - TIRATRON

Specialists in service and repair of industrial electrical installations will appreciate, I think, a convenient small-sized probe – “kontrolka” on 220/380 V. Indicator is not “neonka”, and the thyratron MTX-90. And as for the case, fit any size transparent (plastic or glass) bottle from under the drugs. Moreover, if the material of the “case” glass, to protect its integrity (for example, in case of an accidental drop) I recommend to wrap the probe in two or three places with electrical tape (in the form of shock-absorbing rings). Well, at the styli wear a PVC tube.

HOMEMADE SAWMILL

HOMEMADE SAWMILLThe idea is to share my experience with the readers of “M-K” came to me after reading in No. 2, 1991, notes In Cmaha catching “a Plane on the rails” I Believe that in contrast to the above my design “rails” more comfortable and versatile, and time-tested. The basis of the frame of our “bench” consists of two steel channel with a length of 8 meters and a height of 140-150 mm…For “the same purpose you can use two rails, turning their soles to the top, or corners 50 X100 mm. Workpiece must be perfectly straight. One in cov ω distance in height and with a pitch of about 1…1.5 meters for all channel length RTSD drilled holes with a diameter of 14…16 mm.