rotarycraft 

a masterpiece

"ayo man, the mona lisa is a real rotarycraft"

rotarycraft by aaronhowser September 21, 2021

rotorcraft 

A rotorcraft in flight is a working demonstration of all the basic physical laws of the universe in action. Bernoulli's principle, Newton's first three laws of motion, the whole lot!

There's much more to rotorcraft flight than "beating the air into submission."

rotorcraft by bohartzgrandson January 1, 2019