Sparta Economy Engine News

| July/August 1997

  • Economy Gasoline Engine

  • Economy Ad

  • Governor
    The Governor.

  • Economy Gasoline Engine
  • Economy Ad
  • Governor

20601 Old State Road Haubstadt, Indiana 47639

About mid-1912 and near the 25,000 serial number mark, new model 4, 6,8 and 10 HP engines were introduced. They were the model CX. They had a lot of characteristics that would be used extensively in the Hercules line of engines to be introduced in early 1914. Please note that the 2 HP size was not redesigned but remained as the model CA.

New features of these larger size CX model Economy engines included a new design water cooled head, a spring loaded intake valve latch, a new design side rod, a new blade type igniter trip and eventually an Elkhart low tension magneto. The accompanying pictures illustrate these features.

On the new head, the intake and exhaust positions have been reversed from previous models with the intake toward the igniter side and the exhaust toward the off side.

How Economy Gasoline Engines Are Governed

THE GOVERNOR ON AN ECONOMY GASOLINE ENGINE IS VERY SIMPLE, of the hit and miss fly ball type, as we have found this type to be more sensitive than any other. The fly ball governor has been in use on steam engines ever since they were first made and there is no doubt but what they control the speed of a steam engine very satisfactorily. The Economy governor is made along the same lines and works in the same way. When the engine runs beyond its regular speed, the governor balls widen their circuit, causing the lever on the governor to catch the rod that runs along the side of the engine. This holds the exhaust valve open, shuts off the gasoline and stops the spark. This not only controls the speed of the engine, but saves gasoline and the batteries.

The Ignition

For the ignition of Economy Gasoline Engines we furnish a Stand-By Multiple Battery with spark coil. A switch is provided and the outfit is wired complete all ready to attach to the make and break igniter on the engine. The movable electrode on the igniter is operated by the hardened steel trip. This brings the points together on the inside of the engine so that when the trip slips off the contact is broken and the spark occurs, igniting the charge inside the cylinder. This hardened steel trip can be adjusted so as to keep the spark in the right position to give the best results.


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