When processing large surfaces of metal or wood, each master uses to fasten sandpaper to any device. One of the simplest: a piece of wood, girded with a rubber ring This method is convenient because it allows you to quickly change the exhaust a strip of abrasive material by a new one.
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KMD IN “EARTH” VARIANT
There is an expression: "the Best is the enemy of good." It remains true, however not always. Any Modeler familiar with one of the standard domestic compression motors — KMD-2,5....
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The development of the fighter began in 1933 under the designation TSKB-12. 30 December of the same year, V. P. Chkalov tested the machine with the engine M-22 in flight. During the...
