The industry has already mastered the production of some basic parts from thermoplastics. This is an interesting and promising method for production of large series, however, for individual products it is of little use — complex technological equipment. But similar results can be achieved by using has long been utilized by modelers epoxy resin in combination with glass and carbon fibre.
Sean Hodgins (Hodgins Sean) loves building small electronic gadgets. One of them — a ring that turns body heat into light. The ring is made of aluminum — an excellent conductor of heat, which is necessary for the generation of electric energy. To convert heat into electricity is the Peltier module. The Peltier module converts heat that goes from the ring into a small voltage, and the circuit Board amplifies the current. Currently, the efficiency of the device depends on the temperature of the air, but Hodgins is developing a new scheme to make it work at any temperature.
If the hand is not stationary clutches, and they are necessary for any home business, enjoy manual. To the jaw clutches, which does not bear a clamping screw with head-lamb, weld the angle steel 40X40 mm, pre-drilled four holes for screws of Ø 6 mm. Where the holes should be placed so that the screws Read more…
Solemn or festive table sets forth certain requirements for serving: to plate, Cutlery and glasses were located in the prescribed manner, and napkins were beautifully enclosed in a special ring of Nickel silver or silver. However, for more modest family feasts, you can not use the less convenient self-made rings cut from shiny metal cans Read more…
Rust metal, faded over time, brickwork, lost look painted surface… In all these cases is taken sandpaper or a metal brush — and stop! In the direction — is the last day! The lion’s share of tedious work in the clean-up should be given to the mechanism of the electro.
This machine will be your helper, if you’re into modeling or just like tinkering. Even at home, you often need to cut the rail and otfugovat it or sharpen tool — all these operations “on the back” made by me machine. It’s small — the dimensions 80X180X360 mm, so it is convenient to store in the apartment.
When painting window frames faced with the need to protect glass so as to remove dried paint is difficult and time-consuming — it takes a lot of time. Apply on the glass a thin layer of rubber glue and glue strips of paper around the edges. After the paint dries a bit, remove the paper Read more…
It often happens when someone from the household forgets to turn the lights off in the toilet — he may be there without the use of a lot of hours. A simple automatic device which, when necessary, turns on the light in the bathroom, and when not — turn off. The electrical circuit of such device is presented in figure 1. It contains: a low-power transformer T1, rectifier VD1 — VD4, filter capacitor C1, two limit switches SB1 and SB2 relay K1. How the device works and how it performs its functions?
If you add to the cleaner plastic bucket, the lid of which made two holes, the diameter of the respective pipe cleaner, by inserting in the same hole crimped hose connected to the vacuum cleaner and the other is the same hose with the free passage of air, we obtain an excellent pump for pumping Read more…
I’m a physics teacher and a faithful subscriber of the journal “modelist-Konstruktor”. Write and assemble a binder began while still a student in 1980. Thanks to him I became one of those whom the people called “avid homebrew”. One of my first designs was a mini-tractor “Gerez”, built together with the guys from the circle of technical creativity, which was led by part-time. Mini tractor took first place in the Republican review of technical creativity of pupils. Engine — motorized С3Д installed across; the gearbox from the car GAZ — 51, rear axle — from “UAZ”, shortened. At the mini-tractor 20 gears: 16 forward and 4 backward speed from 1 to 52 km/h. Its own mass of 500 kg can pull the truck with load up to 1200 kg.