[darkpuppet]

P-51,Aug 8 2005, 05: Wrote:Yup, I think it's a great idea, the Miller Cycle, but I think it must be used with a blower.  The idea of being able to run high boost at an effective CR of 8:1, but getting 10:1 work out of it is great.  The only problem is the wickid reversion you have going on in the intake manifold.
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pretty much all the reading I found on the miller cycle say it needs supercharging, and indirectly, positive displacement superchargers.

but then again, it sort of confuses me how they can get more work out of a lower effective compression ratio.. I mean, if you're letting air flow back out so the cylinder isn't wasting energy compressing it, what do you do with all the air and fuel that's headed back out?

I must do more reading on this... pretty neat concept.