Model Aeroplanes And Their Motors a Practical book for Beginners
The book Model Aeroplanes And Their Motors a Practical book for Beginners was written by author George Anthony Cavanagh Here you can read free online of Model Aeroplanes And Their Motors a Practical book for Beginners book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Model Aeroplanes And Their Motors a Practical book for Beginners a good or bad book?
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With this fact in view, the record established by Mr. Wheeler with his Twin Pusher Biplane is extraordinary, in so far as it surpasses many of the monoplane records. This model is a very slow flyer, and has excellent gliding abil- ity. At the time when this model flew and broke the world's record, the greater portion of the flight consisted of a beautiful glide of 86 seconds' duration, after the power gave out, making it possible for the model to remain in, the air for a duration of 143 seconds.... 81 82 MODEL AEROPLANES The frame consists of two I-beams, each 48" in length, running parallel, and spaced by cross pieces, each piece iij^" long. The bearing blocks used made it possible for the propellers to clear by one-half inch. Two 12" expanding pitch racing propellers are used and these are mounted on ball bearing shafts. The main upper plane has a span of 34" with a chord of 5", the lower plane being 26" by 5". The elevator consists of two planes, each meas- uring 14" by 5". Cork wheels are used, each being one inch in diameter.
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