On 07/04/2016 15:26, Johnny B Good wrote:


In short, to boil it down to its essence, accelerating a body from rest
to a different speed imparts kinetic *energy* to that body. The key thing
in this being the requirement to impart *energy* into said body. The
greater the acceleration you wish to impart, the greater the rate of
energy delivery that needs to be imparted. Energy delivery rates are
expressed as 'power' Kilowatts or horsepower. The higher the power level,
the greater the acceleration hence the choice to keep your prime mover
(the engine) operating at or close to its maximum power output revs by
use of a variable ratio transmission system.


Absolutely. What puzzles me is why that isn't patently obvious to anyone
who claims to know anything about cars and engineering!
--
Cheers,
Roger
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