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.
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Seller: Forgotten Books, London, United Kingdom
Paperback. Condition: New. Print on Demand. This book from the early 20th century contains formulas used in designing gas engines. It represents the average of a great variety of commercial engines and an investigation of current practices in gas engine design. The book suggests that continuing improvements in design and construction of these engines will lead to replacement of steam engines for small stationary plants and in automobiles. This book is a reproduction of an important historical work, digitally reconstructed using state-of-the-art technology to preserve the original format. In rare cases, an imperfection in the original, such as a blemish or missing page, may be replicated in the book. print-on-demand item. Seller Inventory # 9781333625795_0
Quantity: Over 20 available
Seller: PBShop.store US, Wood Dale, IL, U.S.A.
PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000. Seller Inventory # LW-9781333625795
Seller: PBShop.store UK, Fairford, GLOS, United Kingdom
PAP. Condition: New. New Book. Shipped from UK. Established seller since 2000. Seller Inventory # LW-9781333625795
Quantity: 15 available