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Référence: 64/3
Ballraces are used wherever moving parts are required to run with a minimum of play and a minimum of friction. The more ballraces are used, the more smoothly the mechanics of a helicopter works, and the lower the rate of wear.The dimensions of a ballrace mean:inside diameter (I.D.) x outside diameter (O.D.) x thickness. Ballrace 8 x 16 x 5 mmpack of...
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This book runs to more than 300 pages, and contains the answers to all your questions regarding electric-powered model helicopters. As such it constitutes a compressed reference work. As you make your way from beginner to pro-standard pilot, you can read about the various helicopter types and their technology, study the summary of all current electric...