Dont_Hold_Your_Breath
Contributor
The 3.0 is also more efficient and has more thrust while using the same maximum power as the 1.0/2.0, and it will also run at a slower RPM than the 1.0/2.0 for when you barely want to creep along slower than swimming. A USB interface allows the user to make basic changes to min and max RPM, power reduction RPM and activation voltages at low battery, and a few other things, plus we added a LED to the handle, to indicate battery level.
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What the the max RPM?