06-21-2019, 11:58 AM
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CC Member
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Join Date: May 2010
Cobra Make, Engine:
Posts: 146
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Quote:
Originally Posted by olddog
There is nothing new about electric motors. They can be designed for any power rpm combo your heart desires. They got them up to 92% efficiency around 30 years ago. About 25 yrs ago they developed the frequency drives to the point they could outperform the DC motor in variable speed and torque applications. They are heavy pigs on a Hp/lb scale.
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Today the motors are better, the drives are better, and someone finally figured out how to make a lighter battery.
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There is nothing new about internal combustion motors. They can be designed for any power rpm combo your heart desires. They got them up to 25% efficiency around 30 years ago. They are heavy pigs on a Hp/lb scale.
Any consideration that the extra pounds in today's cars are structural...allowing people to text and drive and crash into innocent people and still walk away alive?
Progress is considering and investigating new ways of accomplishing needs and desires. What's the old saying, lead, follow, or get out of the way? |
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