QUOTE(nzh0920 @ Jan 21 2013, 05:47 PM)
cannot compare, u know, i read, u can shave 100g on piston , the force of piston movie up and down is like 5000g (if i recall correctly ,forgot which rpm) , so u shave 100g , actually = 5kg.
depends on whether it's actually a moving part or not. but yes 30kg is alot..
Jan 21 2013, 05:53 PM

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