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Mufflers Multi-Cylinders and More
Questions and Answers: Multi-cylinder Radials UI am wondering if you could enlighten me and your readers about the design of multi-cylinder engines and, in particular, radial engines. Why do radial engines always have an odd number of cylinders? The only even number multi-cylinder engines I have seen are always opposed.—Frank Jordan, Kansas City, KS Answer: Well, Frank, as most people with any engine experience know, a four-stroke engine fires every other revolution (i.e., two revolutions...
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