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Originally Posted by dcb
or are you saying that the engine will run from 0 RPM and up? Or was there an initial speed stipulated?
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Yup. I know it looks like a rather silly example right now, but on Friday I'll explain what the point is. Suffice to say for the moment that what is interesting is the
class of solutions to this problem, and the critical parameter values where the system switches from one subclass to another. More on that later.
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ok, so you add a magic energy storage device that has zero weight and is 100% efficient at capturing and returning energy so you can keep the load at peak bsfc and shut down sooner.
Did I win yet?
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You've already got that magic energy storage device. It's the car! Since everything is frictionless, any energy you put into the car will not be lost.