Free Plans: David Kerzel’s Hit & Miss Engine

David Kerzel has free plans for this beautiful hit & miss engine he designed.  It may look like it’s made from castings but it’s actually made from bar stock.  The cylinder has a .75-inch bore and the flywheels are 3.5-inch in diameter.  The plans also come with some well-written and very helpful construction notes. … Read the rest

Jan Ridders’ Updated Flame Eater and “Scuderi” 4-stroke Engine Plans

Jan Ridders has updated plans on his web site for two of his favorite engines: a 2-cylinder flame eater and a Scuderi Split Cylinder internal combustion engine.The flame eater was one of the first engines that Jan drew up detailed plans for and one that has received a lot of interest since he first made it eight years ago. … Read the rest

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