The article “Acupuncture for metal”, published in the journal “modelist-Konstruktor” No. 2, 1974, provoked numerous responses, not only individual readers, but also many businesses and organizations. Editorial Board, ENEA USSR and VNIIST continue to receive letters and inquiries on the subject.EGLOMISE: TOOL-UNIVERSAL
The article “Acupuncture for metal”, published in the journal “modelist-Konstruktor” No. 2, 1974, provoked numerous responses, not only individual readers, but also many businesses and organizations. Editorial Board, ENEA USSR and VNIIST continue to receive letters and inquiries on the subject.
Hams know how sometimes when soldering they do not have a third hand to fix a small detail. At the time it was proposed many devices that can help in such a situation (see, for example, the magazine “modelist-Konstruktor” No. 10’1996). In particular, I use a fixture, which is made in just a few seconds.
SMALL SPOOL, BUT PRECIOUS!
(the End. The beginning see in # 9-11)
A simple design of the airframe suggested that the German model airplanes G. Jung and C. Rosa (Fig. 1). The model has good performance and can be built athletes having small practical experience.
A conversation with the Secretary of Donetsk regional Committee of the Komsomol failed: Mikhail Bondarenko was enthusiastic technical creativity of youth in his native mining region. Easy, to remember names, events, and even interesting design.
Informing about the occurrence of an event, people often use sound signals. Usually they have the character of a continuous sound “one note” annoying “beep-beep” or howling siren with a periodically varying frequency. Generators of electric vibrations, producing these signals is also straightforward. They are based on one-two multivibrators, which makes the structure very simple, accessible to even beginners repetition hams.
To reduce the ripple in the filter of the rectifier sometimes try to put the capacitor as much as possible capacity. However, this is not always safe for the semiconductor valves.
Furniture with doors are not always easy to use. For example, music is better to have in the cupboard, and an open rack with shelves. This facilitates access to both the instrument and its accessories. Not accidentally there are many options of this furniture. For example, as shown here.