Blowtorch both the heater has long occupied a place in the Toolbox as a professional and many Amateur designers because fuel for it is always available gasoline. It finds wide applications also in the economic practices of rural residents and cottagers in certain situations: very rescued their owners, for example, when you need to quickly boil water, “calcined” or heated metal, in many other cases. One bad: this lamp is not always convenient to use—for example, you cannot direct the flame upwards, which is needed quite often. To resolve this shortcoming, the lamp can be equipped with additional device—support-a tripod with up curved elbow-knee.
Read more
House mice and rats have long been listed as a harmful animal, whose presence in buildings is undesirable. The harm they cause to the household, making cracks in the wooden structures, spoiling food supplies, gnawing things, as they say, is obvious. In addition, these pests are carriers of various dangerous diseases.
All conscious life Vladimir Menshikov associated with the sky. In his childhood he built flying model airplanes. Hence the choice of a profession. And as a matter of course, flying school. The profession of pilot in the way to heaven is opened. More than 20 years, the cockpit of a helicopter—his main place of work, and the wheel—tool. But don’t forget Vladimir and the children’s hobby is modeling. Designed model, but now missiles. What I remember Volodya (as our longtime friendship can call it so), it has always featured the true, the desire to make new, more interesting than others. So, in 1982, he first adapted for remote control launch model rockets fragment of the control stick helicopter (its upper part).
Fighting submarines “against all” (and basically struggle with the poor merchant ships), turned around after only a few months after the outbreak of the First world war. For four years, “the human massacre” of German submarines tried several types of weapons, and almost all very good indeed. On truly fateful for the British cruising fleet the use of torpedoes we have already spoken. However, the number of deadly “fish” on Board “U-Baotou” was very small. Accordingly, if their commanders could only use this kind of weapon, the number sunk in one campaign ships could not exceed a torpedo ammo, then there are 8-10 pieces.
Revision of power supply EPS-35. Every radio Amateur, equipping a workplace, in its own way solves the problem of providing it with power supply (SP). Some prefer powerful UI with an output current 10 and 20 a, And someone is satisfied with a simple and low-current (up to 2). The taste and color, as they say, no friends. From my point of view, home laboratories should have a SP with output current not less than 5 and the overload protection on the output.
MODELLING OR MODELING? By themselves, these words are used sometimes as synonyms, today do not surprise anyone, as our readers — even more so. Every young technician had used them many times and about. And maybe just because our reader in the most direct way the creative labor involved in its models, modeling and modeling, it is useful to carefully talk about it.
Any Amateur ice-fishing dreams about the convenient and easy means of transport to quickly get to the coveted perch holes? In one of the rooms “Modeller-designer” I read about motorware construction. Ibragimova decided to build such a machine. The engine and the wheel set from scooter “Tourist”. When testing mateboer speeds up to 70 km/h on ice and dense crust, but on loose snow skidded. In addition, it was quite heavy: about 140 kg.
Like to gain the space velocity of the rocket help a three stage engine, three cutter proposed Odessa innovator P. I. Podolyan instead of one, possible to achieve “cosmic” speed cutting worm thread is one of the most common in modern engineering.