TwinTurbo.NET: Nissan 300ZX forum - During each engine rotation...
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Subject During each engine rotation...
     
Posted by Kenny (9 psi) on June 10, 2003 at 4:35 PM
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In Reply To Please explain, what drag are you referring to? posted by Chip(GinnMotorsports) on June 10, 2003 at 04:20 PM
     
Message ...the pistons/rods extend all the way up, and then are pulled all the way down through the block. If the piston/rod combo is lighter, there will be less inertia going up and down. Less inertia means there will be less energy required to make the piston/rod combo change "direction."

It's not a linear up/down motion for the rod like it is for the piston, but my point is that heavier rods and pistons require more energy to push and pull through the cylinder on each rotation - whether the engine itself is accelerating or not doesn't matter. Pistons/rods are constantly accelerating and decelerating throughout the revolution of the motor. Therefore more weight will require more force to accelerate the piston/rod assembly.

"Drag" was my retard way of saying all that without explaining with a message body.

Yeah, that's right,
Kenny

PETZ Member #5

I told her to get the Texas Highway Patrol to the border, I would accept an arrest from them. Then I ran.

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