Wednesday, August 14, 2019

Re: [Electric Boats] Something New in Electric Motors

 

Seems a bit vapor-ware-ish.


Video is just a 3D model that a 1st year student could do.  And some odd claims in the voiceover... "...10% more range...". Moving things have range. Motors have efficiencies and power:weight ratios, etc.

Although there are occasional magic gates opened by backyard tinkerers, there are more scam artists and/or bored spoofers than there are paradigm-changing tinkerers. 

Cold fusion in your garage, anyone?

Sent from my iPad

-Rob

On Aug 14, 2019, at 5:30 PM, Bill Farina bfarina@venture-1.com [electricboats] <electricboats@yahoogroups.com> wrote:

 

A new design in electric motors comes from a father and son working in their garage.

https://www.youtube.com/watch?time_continue=118&v=85nt9OhP6j4

Twice the torque density, three times the power density, and a minimum of 10% more range

  • The coil is surrounded on all sides with magnetic material of the same polarity, which improves efficiency by preventing elements of the motor from "fighting" itself
  • All magnetic fields are created in the direction of motion which also improves efficiency
  • All copper in the coils is involved in energy conversion, which means less copper is needed
  • Lorentz and reluctance forces are created and peak at the same time throughout the transit, so they work together
  • As mentioned, four rotors are tantamount to actually having four motors in one

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Posted by: Rob <rob@sail4life.net>
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