It looks like there is a fourth stepper motor to sweep the tail rotor left and right anyway. Maybe this would be better:
cdn-blog.adafruit.com/uploads/2015/06/tricopter-1.jpg
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.Without freedom of speech we wouldn't know who all the idiots are. -- anonymous poster
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.Necessity is the mother of invention, but simplicity is it's favorite aunt --Amish proverb
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