The Coming Railroad: The Chase-Kirchner Aerodromic System of Transportation

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Press of Nixon-Jones ptg. Company, 1894 - 50 páginas
 

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Página 22 - I wish, however, to put on record my belief that the time has come for these questions to engage the serious attention, not only of engineers, but of all interested in the possibly near practical solution of a problem, one of the most important in its consequences, of any which has ever presented itself in mechanics ; for this solution, it is here shown, cannot longer be considered beyond our capacity to reach.
Página 20 - ... and so on, with an increasing economy of power with each higher speed, up to some remote limit not yet attained in experiment...
Página 21 - ... from these experiments, as a whole, is that, so far as the mere power to sustain heavy bodies in the air by mechanical flight goes, such mechanical flight is possible with engines we now possess, since effective...
Página 21 - The most important general inference from these experiments, as a whole, is that, so far as the mere power to sustain heavy bodies in the air by mechanical flight goes, such mechanical flight is possible with engines we now possess...
Página 20 - I have now been engaged since the beginning of the year 1887 in experiments on an extended scale for determining the possibilities of, and the conditions for, transporting in the air a body whose specific gravity is greater than that of the air, and I desire to repeat my conviction that the obstacles in its way are not such as have been thought; that they lie more in such apparently secondary difficulties, as those...
Página 19 - Specifically, he wrote the following in the introduction to Experiments in Aerodynamics: To prevent misapprehension, let me state at the outset that I do not undertake to explain any art of mechanical flight, but to demonstrate experimentally certain propositions in aerodynamics which prove that such flight under proper direction is practicable. This being understood, I may state that these researchers have led to the result that mechanical sustentation of heavier bodies in the air, combined with...
Página 19 - Further than this, these new experiments, (and theory also when reviewed in their light,) show that if in such aerial motion, there be given a plane of fixed size and weight, inclined at such an angle, and moved forward at such a speed, that it shall be sustained in horizontal flight, then the more rapid the motion is, the less will be the power required to support and advance it. This statement may, I am aware, present an appearance so paradoxical that the reader may ask himself if he has rightly...
Página 19 - I may state that these researches have led to the result that mechanical sustentation of heavy bodies in the air, combined with very great speeds. is not only possible, but within the reach of mechanical means we actually possess, and that while these researches are, as I have said, not meant to demonstrate the art of guiding such heavy bodies in flight, they do show that we have the power to sustain and propel them.
Página 22 - ... since this involves questions as to the method of constructing the mechanism, of securing its safe ascent and descent, and also of securing the indispensable condition for the economic use of the power I have shown to be at our disposal — the condition...
Página 21 - ... whereas in land or marine transport increased speed is maintained only by a disproportionate expenditure of power, within the limits of experiment in such aerial horizontal transport, the higher speeds are more economical of power than the lower ones.

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