Development & Selection of Earth-Moving Plant & Methods
1954
Pillai, SS
CONSTRUCTION with the aid of mechanical equipment has come into vogue in recent years, more after World War II. Progress in production, either for military or civil purposes, has normally accen-tuated the necessity and the military demands created a great urge for speeding up produc-tion. It is, therefore, natural that output in munitions and allied construction works seems to be at maximum level when a country is in great danger, politically and nationally. This is seen by the speedy development of atomic energy by many nations, although the scientists have been working for decades on atomic research. Economy and speed are the two essential factors in the use of mechanical equipment for construction. The whole outlook of mechanical excavation is based on the advent of the commercially successful high speed diesel ignition oil engine and on the evaluation of various track link devices. The foremost patents of oil engines were registered in the names of Herbert Akroyd Stuart and Charles Binney in the year 1890 in the United Kingdom, about three years before Dr. Diesel, who registered only in 1893. British engineers claim to be pioneers in the field of development of successful track laying tractors. This tractor was designed by David Roberts of Grantham, U.K., and this historic machine was apparently power-ed by a two-cylinder Hornsby oil engine which was immediately called Caterpillar.
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