Added: 3 years ago
From: kmarinas86
Views: 4,570
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  • What's its RPM?

  • By eye, I can tell it is 22 rotations per 5 seconds, so its 264 rpm.

    If you looked at the text in the description, you might have wonder then what is the power output.

    *If* there 1/42 pound feet of torque like my description claims all one has to do is convert that into newton-meters then multiply by two pi and the rpm/60... 0.89 watts. Therefore this may be really high efficiency. Let's me just say for the sake of argument that it's NOT overunity. :)

  • And I am probably wrong. Soon I am going to increase the wind output of the fan by 20x of the one in this video and only between 2x and 3x more power using 60 something volts, twice the coils, and 19" instead of 12". So the real efficiency of the motor above should be something like less than 15% efficient if my next demonstration under-unity still. :)

  • Nice!! :)

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