12-28-2021, 07:30 AM
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CC Member
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Join Date: Jan 2018
Location: Lafayette,
IN
Cobra Make, Engine: Looking to buy
Posts: 1,295
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Quote:
Originally Posted by xb-60
This is the bit I don't get.
OK, very slightly less gross vehicle mass with a lighter flywheel, but engine power and gearing are unchanged ..... so how does a lighter flywheel allow quicker acceleration?
Quicker to blip the engine - yes; quicker acceleration of the vehicle? ....no 
I need a more convincing argument.
Cheers!
Glen |
Science my friend. It takes longer to accelerate a heavier weight. And it takes longer to slow it down. Newton's third law I believe it is. Why would it accelerate an unloaded flywheel faster but not the car?
I've no way to test it and prove it to you but if you are a racer you always want to reduce weight even if it is not by much. I have won and lost autocrosses by one or two thousandths of a second. You might not be able to feel it but the clock will measure it.
On my race car my rule is never put a part back on the car until I seek a way to reduce it's weight.
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 Cobra loving, autocrossing Grandpa Architect.
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