Harpers Boating book for Boys a Guide to Motor Boating Sailing Canoeing And
Harpers Boating book for Boys a Guide to Motor Boating Sailing Canoeing And
Charles G Charles Gerard Davis
The book Harpers Boating book for Boys a Guide to Motor Boating Sailing Canoeing And was written by author Charles G Charles Gerard Davis Here you can read free online of Harpers Boating book for Boys a Guide to Motor Boating Sailing Canoeing And book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Harpers Boating book for Boys a Guide to Motor Boating Sailing Canoeing And a good or bad book?
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The gasolene enters the carbureter through a very small hole, which is called the needle valve, and as the piston of the engine goes up it creates a suction like that in any pump. This sucks a supply of air from the carbureter, since that is the only inlet to the engine-base open at that 262 GASOLENE-TANKS AND CARBURETERS time, and as this air has to come through a regular reser- voir of gasolene it becomes mixed with the fumes and forms an explosive gas. One part of gasolene to four parts of a...ir makes a weak explosive mixture; one to eight a violent explosive; and one to thirty-three will not explode. Some- times there is too little air admitted and the engine sucks up a charge of gasolene vapor that is ' too rich ' ' a mixture, and when one tries to start the motor this gas has not enough air mixed with it to be explosive. On the other hand, the reverse may be the case. There may be too much air and not enough gasolene. Then the mixture is 'too lean' or "too poor' to explode. When the air is warm and dry it mixes with the gasolene far better than on a cold, wet, or foggy day when the air is charged with water, and for that reason many makers of engines arrange the pipe of the carbureter so that it draws in the hot air from around or near the exhaust pipe.
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