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Old 05-11-2010, 03:28 PM   #23 (permalink)
dcb
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Quote:
Originally Posted by NeilBlanchard View Post
I hope that you go back and read what I added to my post. And I hope that you keep an open mind.
I did, and I do, I am the one that seemd to be going against the grain here so I must offer you your own advice re: open mind. If I had a name like "evaros are super awesome" you might have reason to think me biased , but I just want to see an accounting of the assumptions.


Quote:
Originally Posted by NeilBlanchard View Post
You cannot match a serial hybrid which achieves nearly 100% BSFC during acceleration. Nor can you have any regenerative braking.
We have a major disconnect here. Im talking about a parallel range extender vs series. I.e. you have an EV (with regenerative braking) that has an ICE that runs near bsfc peak at 60mph (plus whatever safety factor) by direct drive or a couple gears if the numbers add up, and the ev takes up the slack (either by adding torque or regen) .

With such a system you can most certainly stay near bsfc peak, you can regen while in steady state or while braking, though coasting is always a better option for efficiencies sake. You can still go 200 miles on battery power, and cruise more efficiently than a series on your ice between towns.

Look at the green grand prix, these guys getting 70% of the target mpg with real cars, not ones with optimally sized engines or nothin.

look at Matzu Matsuzawa getting 470 mpg, in 1985! In real world conditions.

ideally you want bsfc AND a clean drivetrain (and coasting). Someone needs to do a real accounting of the losses in a series hybrid though, and quit the hype.
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Last edited by dcb; 05-11-2010 at 03:35 PM..
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