This “bouzoukia” developed in the aeromodelling circle regional station of young technicians in the city of Murmansk. Speaking with her at the regional competitions, an eighth-grader Sasha of Beidou became the champion among students. Design feature — a fiberglass sock of the wing, much increasing its survivability.
Isn’t that a stark contrast: while the fields of collective and state farms are treated today powerful “Kirov workers”, the private plots of rural workers in the old plow at best plow horse, and at worst — just dig with a shovel. This work is unproductive, time-consuming, moreover, requires considerable physical effort. That’s why many of the “homebrew” without waiting for the industry mastered the production of agricultural micro-technology, develop and produce motology and microfracture, cultivators and power hoes. In today’s publishing, you will be able to meet with the drawings and description of a homemade motor-plow, constructed a work of pumping plant VI Petruna from the village Svessa, Yampolsky district, Sumy region. Design although it did not meet all the requirements of modern design, completely reliable and fully justifies the name of metaphora.
That recumbent healthy, I think, nobody will argue. Well, for fans of technical creativity it doubly useful as it allows you to gain invaluable experience before the greater constructions. Recumbent, about which speech will go, was designed and manufactured in the workshop of young technicians (syt) of our city, together with members of the group. I must say that the idea of its creation have arisen much earlier, but because the materials and most of the parts (particularly wheels) have prepared himself, at his own expense. However, the wheels and the materials are mostly picked up from an abandoned Bicycle, so that the cost was not so great.
In a vast range of car alarms has recently introduced a good system Mongoose Duplex 3D models with the function of a pager device, remote audio message to the key FOB that the car owner of unauthorized door opening, engine start, shock the body, etc., a Distance alert in the face of massive urban development (on example of Saint-Petersburg, Russia) not less than 300 m. In the daily operation of the alarm system with a pager is convenient because the alarm comes on, the bidirectional remote control unit (RCU) is a key chain held by the owner of the car (except for a loud audible alarm in the vehicle which can be reprogrammed for quiet mode). Thus, there is no need to jump to the car or to the window each time it is triggered car alarms, worrying for his “swallow” (it is known that the set of sound signals of various alarm systems is no different variety). If it works it is “your” alarms — this will be seen by the alarm on your remote-the keychain remote, and the flash indicator LEDs will indicate a specific area of the triggered zone of protection. It agree, it is convenient.
To fly like a bird, the strength of your muscles, very tempting; dreamed about it many of our ancestors. Already in the XV century, when on flights in the modern sense could not even dream of such a machine designed by Leonardo da Vinci. Unfortunately, he was not able to implement their ideas. And only today, after five centuries, people have achieved the first real success.
In the footsteps of virtually every information, published under the heading “ENEA — young innovator”, the editor receives many letters. On the envelope address NTTM, young innovators, enterprises, construction companies, farms, and all of them interested in more information about printed in the journal innovative developments. And United by the desire to apply them to achieve a new increase productivity, improve technology, product quality.
The sounding rocket “Dragon III” — two-step. The engines of both stages is solid. The mass of the fuel engine of the first stage (start) — 686 kg. the rocket Starts with the ramp installation. Eight aerodynamic stabilizers (four for each stage) provide stable flight. Measuring apparatus weighing 30-90 kg is placed in the head part. Missile launch weight — 1184 kg. Maximum altitude: 7000 m. the flight Time is 440 C. length of the rocket varies depending on the mass of the apparatus and is of 6.99—8,16 m.
Large problems sometimes arise because of the small details. Take, for example, the servo-mechanism, reduces the efforts on arms control such a powerful and popular tractors as Chelyabinsk Т100МЗ or T-130. They have the bushing hole (see figure), is pressed into the housing of the servo-mechanism, performs reciprocating movement of the pusher, the transmitting motion of the control lever rotate the spool getorcreatenode site. On the pushrod and is an ill-fated piece is a small rubber ring that provides a reliable seal between the follower and the walls of the sleeve.
In the literature on model airplanes is not so much focus on radio-controlled models of seaplanes, although, in practice, many enthusiasts prefer them purely “land”, considering the “waterfowl” more interesting for manufacturing and piloting. Many of them also refer to the usability of such models compared to those that are equipped with wheel chassis, because “land” is not everywhere possible to find a large enough area with asphalt or concrete path for takeoff and landing. While any aquadrome — a pond, lake or river to find not so difficult. In addition, experts argue that take-off and landing in the water are not in the example easier.
This simple and reliable model was developed in the Chisinau children’s club “Firefly” under the leadership of Alexander Pavlovich Marchenko.