Universal cutter, known as the boot knife-Bong, easy to use, but inconvenient to store. If he give such a construction as shown in the figure, in inoperative position it will be just as safe as a pocket knife: folding, hide the blade in the wooden handle.
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Odnokomnatnaya model well-earned position in the class F2A. At competitions it is hard to escape the thought that flies the same speed — they are so similar. The approved scheme is fully...
Even the “Little One” doesn’t spoil the furrow
I have been a long-time reader of the Modelist-Konstruktor magazine. In publications about homemade machinery I find a lot that is useful to me, and most importantly — my creative...
