So you are saying that forced induction which only increases the velocity of a set density of atmosphere entering a closed cylinder through valves or ports that are only open for a preset amount of time doesn't make up for the lack of natural pressure at sea level of 14>7 psi? Density is the amount of oxygen content in the atmosphere as a percentage. It is the same "density" at 5000' as it is at sea level but it doesn't have the pressure to move it into a low pressure area such as a cylinder or even your lungs. What does eventually fill them is still the same density as far as oxygen content but there is less total volume because of less pressure/velocity pushing it in there. The more cu in of "atmosphere" the more oxygen but the actual density (ratio) is the same. Atmosphere is not 100% oxygen.
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Today's Featured Article - Grain Threshing in the Early 40's - by Jerry D. Coleman. How many of you can sit there and say that you have plowed with a mule? Well I would say not many, but maybe a few. This story is about the day my Grandfather Brown (true name) decided along with my parents to purchase a new Ford tractor. It wasn't really new except to us. The year was about 1967 and my father found a good used Ford 601 tractor to use on the farm instead of "Bob", our old mule. Now my grandfather had had this mule since the mid 40's and he was getting some age on him. S
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1965 International Harvester McCormick Farmall cub tractor 2,500. Two owner tractor. My grandfather bought new in 1966, then we inherited it. Have all the paperwork original manual and all maintenance records. It starts and moves. Comes with underbelly mower, plough, and some other attachments.
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