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...And of course we can change to higher RPMS. It will drive the generator faster, forcing
more power out, requiring more torque to drive it. Let's go!
Much more noise, too. Battery voltage comes up much higher than it was before. Now the
wattmeter is reading 780 Watts of output power. Calculations with the torque bar will probably
show that this is operating at about a 50% efficiency [actually 40%].
Take note that the voltage is still slowly climbing up. That's the effect of the batteries
becoming more and more charged. They're actually close to being fully charged, despite the
fact that the lights are draining energy at a similar rate.
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