Flathead Engine

Flathead Engine

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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. A flathead engine or sidevalve engine (sometimes called a flatty) is an internal combustion engine with valves placed in the engine block beside the piston, instead of in the cylinder head, as in an overhead valve engine. The design was common on early engine designs, but has since fallen from favor. Generally the flathead's valves are carried on one side of the cylinder. A chamber is recessed into the underside of the head to allow the poppet valves to alternately rise from their seats to admit the fuel-air mixture and for the exhaust gases to escape the combustion chamber. This has a number of advantages, primarily making the valve gear simpler, without either long push rods and rocker arms to work overhead valves from a cam shaft mounted near the crank shaft or a long chain, belt or gear train to drive one or more overhead cam shafts. The head of a flathead engine commonly consists of only a single piece of cast metal.
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Product details

  • Paperback | 132 pages
  • 152 x 229 x 8mm | 204g
  • Anim Publishing
  • United States
  • English
  • 613498776X
  • 9786134987769