03-10-2022, 07:41 PM
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#15 |
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Senior Member
Join Date: Jan 2012
Location: Western North Carolina
Posts: 5,850
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Re: 238 mph
The piston travels the same distance but it spends more time at the bottom of the cylinder with a shorter rod. If you plot out the piston travel per degree of rotation of the crank you will see how this works. You can do the plotting with a pencil and ruler on a sheet of paper. So with more time at the bottom there is more time for exhaust to exit and fresh air/fuel to enter.
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A is for apple, green as the sky. Step on the gas, for tomorrow I die. Forget the brakes, they really don't work. The clutch always sticks, and starts with a jerk. My car grows red hair, and flies through the air. Driving's a blast, a blast from the past. |
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