Here, this reply from the another Ecomodder thread stated clearly the drawback of the ICE pusher.
http://ecomodder.com/forum/showthrea....html#post1446
After everyone's input, i think adding additional battery into an EV would not be viable... I think having an electric generator would be the way to go...
I also have this concept of a underbody air turbine electric generator... wonder if this concept would work. Basically installing a brunch of small turbine at the end of the car, at the rear diffuser area...
^ At the spot where it begin to curve up, we install 2 rows of small air turbine, so as the car move, it would generate electricity, but i doubt this would generate much power.... lol
Saw an interesting quote from a physic forum:
Quote:
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Originally Posted by http://www.physicsforums.com/showthread.php?t=206100
If you have a forced air velocity of 100 kph = 27.8 meters per sec, and an inlet area of 1.8 meters x 0.6 meters, the air wind power is
Pw = (1/2)ρAv3 = 15,000 watts, where
ρ=air density = 1.29 Kg/m3
A= area = 1.8 x 0.6 = 1.08 m2
v=27.8 m/sec
I would be surprised if you can get more than 5,000 watts out of this if the air is not pressurized (p = 1 bar).
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