Contrary to popular belief, none of the air passes through the pool of oil in the bottom of the air cleaner. This concept is often misunderstood(me included when I was younger). Incoming air comes down the inner tube of the air cleaner and then makes a 180 degree turn upward through the wire mesh of the outer large tube of the air cleaner and thence to the carburetor. Larger and heavier dirt particles coming down the inner pipe with the air are too heavy to make the 180 degree turn and go straight down where they are trapped in the oil at the bottom. Lighter particles do make the turn but the suction and turbulence of the air changing direction pulls up an oily mist from the pool of oil which adheres to the mesh screen where they are trapped. As the oily mist gets heavier it turns into droplets which drips back to the pool in the bottom taking the lighter particles with them. Most of my students had a misconception of the process.
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Today's Featured Article - Sunday Drives - by Cowboy. Summer was finally upon us here in Northern Maine. We have two types of industry up here, one being "Forestry" (Wood Products) and the other "Farming" (Potatoes). There is no shortage of farm tractors and equipment around here! I have been restoring old Farm Tractors for the past 6 years, and have found it easier and less expensive to hit all the auctions and purchase whole tractors for parts needed. My wife who works at a local school, and only has weekends and summers off, while on t
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