(Continued. Beginning in № 9’01). To making a universal charging apparatus, it is recommended to proceed only after at hand will be all you need, including tools and supplies. Case size mm 300x200x200 taken or prepared, as the front panel (300×200 mm), handmade. Transformer power 250 VA, is wound on the magnetic core SHL 50×32 mm (for calculations it is more convenient to use the units of measurement universally accepted Amateur practice, when the cross section of the magnetic circuit is expressed in cm2; in relation to the SHL package recommended core 17.5 cm2). If the core is W-shaped, the sectional area needs to be 1.4 times more, that is, 24.5 cm2.
Read more
Specialists, no doubt, will note the advantages of a new car company Renault — RENAULT MEGANE COUPE. Memorable appearance, underlined “big-eyed” slanted headlights and back symmetrical they grilles air intakes at the front of the hood — that’s not all.
The entire model except for the axles and the engine is made of paper and cardboard. It can make students 3rd-5th grade. The model is like a real machine of the separately mounted parts, so building it is best to deal with just a few people. Before proceeding to the construction of the model, it is necessary to review the plans, collect all materials and tools. It is necessary to increase the drawings in the correct scale and make sure they are correct.
In 1995, at the presentation of the family Mercedes-Benz SPRINTER representatives of the company announced that it starts an active attack on the European market with their trucks. According to the plans, within three years have been fully updated types of vehicles designed to operate on European roads. So, after “polutoratonny” SPRINTER van appeared “odnotonnymi” VITO.
By the middle of 1950-ies the main front-line reconnaissance aircraft was considered to be Il-28R. But the car, excellent in all respects, by the time against the backdrop of recent supersonic fighters became morally obsolete. Created at the same time, the Yak-25P, although outnumbered, “Il”, but the requirements of the military on the prospective scout is also not satisfied. In this situation, OKB A. S. Yakovlev proposed to develop a supersonic fighter-scout with engines AM-9F (RD-9F). The government and the military supported the proposal and in March 1956 was signed the corresponding decree.
At the initial stage of the Second world war, tasks of intelligence in the interest of armored and motorized units of the Wehrmacht did pretty well armored. Their use in this role was promoted as an extensive road network of Western Europe, and the absence of the enemy’s massive anti-tank defense (PTI).
For the rational use of weeds and grass-tops in gardens or allotments of their composted in pits or small towers. I’m doing this: throwing a wooden greenhouse in a box without a bottom size 2000X1000X400 mm.
Under the terms of the competition model rockets must stay in the air for Some time, and it makes rocketmodeler to look for different Methods of forced landing. Very interesting designed and a mug of rocket and space modeling the pioneers of the town of Krasnozavodsk. It allows you to limit the time of flight depending on the conditions of the competition.
In the 1970 – 1980s, Soviet designers created the powerful jet system of volley fire MLRS, the superiority of which was recognized by military professionals worldwide. Under their influence, many States were later developed by modern samples of this powerful weapon.
Historians say that the sail appeared on land about four thousand years ago! Fiction? No – there is documentary evidence. In 1953 the Italian archaeological expedition at the excavations of the temple of Ptolemy near the town of Medinet MADI discovered the remains of the ancient land of the sailing ship. Designed and manufactured it was under the leadership of the Egyptian Pharaoh Amenemhet III (1849 – 1801 BC). It was a rook, which floated on the Nile at first, and then mounted on four wooden wheels. Two four-meter mast stretched colored sails. The inscription found in the desert of basalt polished slab read: “Pharaoh Amenemhet III traveled from here across the desert to Medinet in a sailing boat driven by the wind.”