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Author: J.S. Zerbe
Published: 1915
Language: English
Wordcount: 45,398 / 134 pg
Flesch-Kincaid Reading Ease: 66.9
LoC Category: TL
Downloads: 2,733 7719
Genre: Non-fiction

This work is not intended to set forth the exploits of aviators nor to give a history of the Art. It is a book of instructions intended to point out the theories of flying, as given by the pioneers, the practical application of power to the various flying structures; how they are built, the different methods of controlling them; the advantages and disadvantages of the typesnow in use; and suggestions as to the directions in which improvements are required.

Show Excerpt

ents, which are necessary to produce energy.

MASS AN ELEMENT IN FLYING.--The boy who reads this will smile, as he tells us that the power which propelled the ball through the air came from the thrower and not from the ball itself. Let us examine this claim, which came from a real boy, and is another illustration how acute his mind is on subjects of this character.

We have two balls the same diameter, one of iron weighing a half pound, and the other of cotton weighing a half ounce. The weight of one is, therefore, sixteen times greater than the other.

Suppose these two balls are thrown with the expenditure of the same power. What will be the result! The iron ball will go much farther, or, if projected against a wall will strike a harder blow than the cotton ball.

MOMENTUM A FACTOR.--Each had transferred to it a motion. The initial speed was the same, and the power set up equal in the two. Why this difference, The answer is, that it is in the material itself. It was the mass or densi


Average Rating of 1 from 1 reviews: *
Raminder Singh

Useless, not much detail.

(Promote your book here)

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