controllable-twist rotor
1Proxflyer — refers to a family of micro R/C helicopter prototypes based on a dual coaxial counter rotating rotor concept developed and patented by Norwegian Petter Muren. The concept differs from the swashplate designs in conventional helicopter flight… …
2Ornithopter — Cybird radio controlled ornithopter Pa …
3McCulloch J-2 — J 2 Role Civil utility autogyro Manufacturer McCulloch …
4Magnus effect — The Magnus effect, demonstrated on a ball. v represents the wind velocity, the arrow F the resulting force towards the side of lower pressure. The Magnus effect is the phenomenon whereby a spinning object flying in a fluid creates a whirlpool of… …
5flight, history of — ▪ aviation Introduction development of heavier than air flying machines. Important landmarks and events along the way to the invention of the airplane include an understanding of the dynamic reaction of lifting surfaces (or wings), building… …
