Lou, the hit n miss was really just that. It is basically a four stroke engine. They have a linkage to the governor, which set the speed of operation. When the set rpm's drop below the set speed, the governor flyweights retract, and cause the linkage to close the exhaust valve, causing the engine to do an intake of air and fuel, and fire on the compression stroke. The fly weights expand with the newer speed, and hold the exhaust valve open until the rpms drop below the governor setting, when the process is repeated and the engine does another power stroke. Depending on the load, they may make several revolutions before they fire again. Therefore the 'Plunk, miss, miss miss, miss, PLUNK, miss, miss, miss' sound when they are running. They were used to power everything from water pumps to elevators and washing machines, corn shellers and grinders. Some really large ones powered cotton gins and oil pipeline pumps, and many are still in use today.
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Today's Featured Article - Timing Your Magneto Ignition Tractor - by Chris Pratt. If you have done major engine work or restored your tractor, chances are you removed the magneto and spark plug wires and eventually reached the point where you had to put it all back together and make it run. On our first cosmetic restoration, not having a manual, we carefully marked the wires, taped the magneto in the position it came off, and were careful not to turn the engine over while we had these components off. We thought we could get by with this since the engine ran perfectly and would not need any internal work. After the cleanup and painting was done, we began reassembly and finally came to t
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