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Port problems-when cold can you flow. (Junior Division).

The purpose of this research was to see the effect of different temperatures and different weights of oil on moving through ports. The three types of oil used were 10, 30, and 50 weight, they were tested at four different temperatures 0, 32, 45, and 65. A viscosity test was ran on all three weights of oil at room temperature to compare the density of the oils. The result shoved that the 10 weight oil was the thinnest and the 50 weight oil was the thickest. A model engine was built to test oil flow through ports at different temperatures. Three holes 3/16 inch each were drilled into a plate of aluminum. In testing each weight, 100ml of oil was added to the upper chamber and drained through the ports into the reservoir below. A stop watch was used to time from the first drip to the last drip. 10 weight oil drained the best in all four temperature tests. I discovered that when it is cold outside a lighter weight of oil will flow through the engine easier and quicker.

Karl Mertens, Merino Junior High School
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Author:Mertens, Karl
Publication:Journal of the Colorado-Wyoming Academy of Science
Article Type:Brief Article
Geographic Code:1USA
Date:Apr 1, 2002
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