When I saw the Stella it made growling ticking noises that stopped after the
vehicle made some speed. They said these motors were 98 % efficient. I
thought the run of the mill ADC motor with a Curtis controller was 90 % and
brushless were a bit more efficient. Are these motors worth the 10's of
thousands they cost? Are there motorcycle/bicycle hub motors we can buy that
are very efficient? Each of the Stella motors are 20kw. Some bicycle hub
motors are very powerful. 10 or more kw. Is there a loss of efficiency with
these new powerful motors? What do I need to compliment a very aerodynamic
body/go freeway speeds & not suck the life out of my batteries? Lawrence Rhodes
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