Hit and miss engines 100 years later still putting the work in

Many of these hit-and-miss engines on display at the 75th annual threshermen's reunion at rough and tumble are well over 100 years old and they continue to work perfectly. Simple machinery with amazing durability.
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Antique hit-and-miss engines are a fascinating and historically significant type of internal combustion engine that played a crucial role in the development of machinery during the late 19th and early 20th centuries. These engines are often highly sought after by collectors and enthusiasts due to their unique operating principles, mechanical simplicity, and historical significance. Here's some key information about antique hit-and-miss engines:
1. Operating Principle: Hit-and-miss engines are characterized by their distinctive operating cycle. They "hit" (fire) only when needed to maintain a specific speed or load. In between firing cycles, they "miss," meaning they do not ignite and simply coast until the next firing event.
2. Governor System: A key component of hit-and-miss engines is the governor system. This mechanical governor regulates the engine's speed by controlling the timing of the ignition events. When the engine approaches the desired speed, the governor reduces the frequency of firing to maintain a steady output.
3. Single-Cylinder Design: Most hit-and-miss engines are single-cylinder machines, meaning they have one piston and cylinder. This simplicity contributes to their reliability and ease of maintenance.
4. Flywheel: Hit-and-miss engines often feature a large flywheel, which helps stabilize the engine's speed and smooth out power delivery between firing events. The flywheel stores kinetic energy during the power stroke and releases it during the coasting phase.
5. Fuel Source: These engines were typically designed to run on various fuels, including gasoline, kerosene, and sometimes natural gas. The fuel was typically supplied via a carburetor or mixer.
6. Mechanical Ignition: Antique hit-and-miss engines typically use a mechanical ignition system, often known as a "make-and-break" or "igniter" system. This system relies on a set of contacts to create a spark, igniting the air-fuel mixture in the cylinder.
7. Historical Significance: Hit-and-miss engines were widely used in various applications, including powering farm equipment, water pumps, generators, and more during the late 19th and early 20th centuries. They revolutionized agriculture and industrial processes, making them an integral part of American history.
8. Collector's Items: Today, antique hit-and-miss engines are highly collectible. Enthusiasts and collectors often restore these engines to their original condition or modify them for display at antique engine shows and museums.
9. Community and Events: There is a strong community of enthusiasts who share a passion for hit-and-miss engines. Antique engine shows and swap meets provide opportunities for collectors to showcase their engines, share knowledge, and trade parts.
In summary, antique hit-and-miss engines are remarkable pieces of machinery that played a significant role in shaping the agricultural and industrial landscape of their time. Their unique operating principle, historical importance, and mechanical simplicity make them a cherished item among collectors and enthusiasts.