Excerpt from Formulas and Constants for Gas Engine Design There should be no side pockets (for valves) in the cylinder heads, for the inside surface should be trimmed down to the minimum possi ble. The less internal surface we have exposed to the heat, the smaller the number of heat units that will be absorbed by the metal. What ever is taken into the metal has to be disposed of, either by air or water, which adds to the difficulties of air cooling in the one case, and to the size of the cooling. Apparatus and the amount ...
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Excerpt from Formulas and Constants for Gas Engine Design There should be no side pockets (for valves) in the cylinder heads, for the inside surface should be trimmed down to the minimum possi ble. The less internal surface we have exposed to the heat, the smaller the number of heat units that will be absorbed by the metal. What ever is taken into the metal has to be disposed of, either by air or water, which adds to the difficulties of air cooling in the one case, and to the size of the cooling. Apparatus and the amount of water carried in the other. In both cases there is a loss in efficiency, for every heat unit radiated is one heat unit less power delivered at the shaft. About the Publisher Forgotten Books publishes hundreds of thousands of rare and classic books. Find more at ... This book is a reproduction of an important historical work. Forgotten Books uses state-of-the-art technology to digitally reconstruct the work, preserving the original format whilst repairing imperfections present in the aged copy. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in our edition. We do, however, repair the vast majority of imperfections successfully; any imperfections that remain are intentionally left to preserve the state of such historical works.
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