The Electric Motor and Its Applications

The Electric Motor and Its Applications

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This historic book may have numerous typos and missing text. Purchasers can download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Not illustrated. 1888 edition. Excerpt: ...running obliquely and supported by flexible side-shafts, insures perfect stability to Length of the inflated ellipsoid, . Central diameter Volume, Length of car--Nacelle, .... Weights: Balloon and ballonet, ... 869 Silk covering and net, ... 127 Car complete with rigging, etc., .. 152 Rudder, 46 Screw-propeller, 41 Motor, 98 Wheelwork, 47 Shaft 30 Battery complete, 435 Average velocity per second, Diameter of the propeller, Number of revolutions per minute, .. Number of elements employed, ..... 50 m. 42 cent. 8 m. 40 cent. 1,864 cub. m.. 33 m. kilos, kilos, kilos, kilos, kilos, kilos, kilos. kilos. 500 grains, kilos. 500 grains.. 5 m. 50 cent.. 7 in... 30 to 40.. 32 The electric motor was constructed to develop 8.5 horse power upon the shaft, a-d it trans manently by Capt. Renard, Capt. Krebs manoeuvring the rudder. As soon as the propeller was given a rotary movement the aerostat took its course toward the Hermitage of Villebon, which, previous to the ascension, had been designated as its objective. The wind at this moment moved with a velocity of five metres per second, and the balloon moved against it. So soon as arrived at its destination the officer who held the tiller waved a flag, the signal of return, upon which we saw the aerostat luff, describe majestically a half circle of a radius of about 300 metres, and sail back to Meudon. Upon reaching the lawn, whence it had started, 18' attainment of practical ballooning. As Col. Fred Burnaby, an enthusiastic aeronaut, had said but a short time before in discussing the availability of electricity, "to put the case in a nutshell, aerial navigation is a mere question of lightness and force," and the two French officers had undoubtedly succeeded in putting weight and strength in their right...show more

Product details

  • Paperback | 108 pages
  • 189 x 246 x 6mm | 209g
  • Rarebooksclub.com
  • Miami Fl, United States
  • English
  • black & white illustrations
  • 123654336X
  • 9781236543363