Soldering chips easy electric soldering iron with special tip (see figure). For this presleyana copper rod of diameter 4-5 mm drill hole Ø 0,8 mm at the depth of 6 mm. Drilling is necessary, be careful, as copper is a viscous material and sloppy work is easy to break the drill bit. Perform soldering using rosin varnish. V. MOLOCHKOV, G. Novgorod
Recommend to read
ENGINE — UNIVERSAL
To the editor of the magazine received a lot of letters in which modelers are asked to familiarize them with the device of the engine, designed by the Leningrad athlete E. Gusev. During...
AND NIGHT — DAY
On the Parking of campers and motorcyclists will be useful to fluorescent. It gives good coverage and is very economical. As power supply used by the DC / DC Converter transistor type...
