"Kind of interesting to see how everything old becomes new again.
Early designers grappled with the problems of full-scale multi-rotor craft, which led to the invention of the helicopter. The moment one adds variable pitch and swash plates to…"
"Some of your answers strike me as very odd.
Seems like we need to make sure everyone is using the same terminology. It's clear the OP is referring to a small commercial (or homemade) hobby quadcopter. You seem to be referring to everything from…"