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Old 18-10-2009, 07:07 PM   #1
Deech
Making smalltorque
 
Join Date: Apr 2008
Posts: 144
Default The obscure technical question thread

Question: When a piston crosses top dead centre and starts to reverse its directon, for an instant its velocity has to equal zero. (Can't change direction without stopping)

So does that mean the entire rotating assembly of an engine stops completely twice per revolution (on a flat-plane crankshaft), or do the connecting rods stretch; letting the crankshaft keep rotating, but for the pistons come to a halt?

It's just something that's got me stumped
Thanks in advance

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Originally Posted by sourbastard
E Series Owner Syndrome
When your engine bay catches alight, you try and convince the police that it came that way from the factory. They believe you and leave.
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