Exhaust Port Heat But actual experiment shows that half of the cylinder head’s heat inflow is picked up through the walls of the exhaust port. How can this be? The temperature of combustion gas ...

Now, [Project Farm] is back at it. Is it possible to use JB Weld to cast an entire cylinder head for a lawnmower? It sure is. With a cast epoxy cylinder head, this engine will run for just long ...

The cylinder head on your mower just blew, and you’re out of commission. Or are you? You’ve got a 3D printer – couldn’t it save the day? If this bench test of plastic cylinder heads is any ...

(b) The "Clearance volume" of the engine is the volume between the cylinder head and the piston when the piston is at tdc. The ratio of this volume to the swept volume determines the compression ratio ...