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.
No, the Council is not for Amateurs. Although for them, too, because everybody who is going on the road, among other things, I’ll try not to forget the needle and thread may come in handy. For this there are excellent road of the spool and the needle is where to invest, and thread spooling. If Read more…
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.
“I suggest, I have developed a method of manufacturing a wing for a model aircraft, — says the head of the aeromodelling circle in the House of pioneers of the city of Serebryansk Anatoly Wainilowicz. The device that you need for this easy and beginner model airplanes”.
In the house of the manor type of water demand is far higher than in a city apartment. Because usually when there are a garden, vegetable garden, and every fowl in the yard, which water is also required. The process of delivery in large quantity in the buckets is not only long, but tedious, even if the source (be it well or river) is not far.
The idea to build the cottage-trailer came up during a previous operation, is also mobile (see “modelist-Konstruktor No. 5, 2005). Let me remind you, the house was prefabricated with a soft top and a smaller size, since it was initially tied to the dimensions of the trailer “SKIF-2M”. Although each element was easy to collect the cottage had everything well together.
As you know, the characters I. Ilf and E. Petrov in search of jewels destroyed twelve beautiful chairs. It is unlikely it would have required them provide master Gambs under seat drawer — pull-out or door. This is what I am and contrived in their chairs — however, for storage of jewelry, and tools. Most Read more…
If you want to transfer a set of tools to the job site or just keep them at the ready is essential for this will be an easy plastic tray. These are found in hardware stores, but can be manufactured with your own hands: for example, of halved plastic canisters. The tray will be even Read more…
