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Rare earth minerals embargo?

2571 Views 12 Replies 5 Participants Last post by  JRP3
The Blog Wattsupwiththat had an abreviated version of this story so I looked for the original here on the New York Times website:

http://www.nytimes.com/2010/10/20/business/global/20rare.html?_r=1&hp

Not sure what to make of it just yet but it's not encouraging either.
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This misconception that REE's are needed to build EV motors and that BLDC motors are better than ACIM's needs to come to an end. Just take a look at the power to weight of the Roadster motor. The FUDsters constantly rant about REE shortages meaning the end of the EV, not even close to the truth.
 

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Yes - unless you need maximum hp/weight, there is no real need to use permanent magnet motors. In fact the Tesla uses an induction motor - something about them being able to handle higher current?
At 70lbs I'm not aware of a BLDC motor with a higher power to weight ratio than the Roadster motor.
 
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