I have put a New Twist on an Old concept!A Larger Self Rotating Wing turned by Electric Motors with Props See 1st prototype at r/cuniverse or Twitter Charles Glazebrook rotate 1953.I can see it has a Bright Future in Todays Electric Era.This could be Built as a Unit small e.v.s could Drive in and out of.Leaving the Unit at the Airfield or in your Yard? Taking advantage of all the Features in Todays Auto's!Todays Heli's seem alittle (Dyslexsic)Sorry Sikorski!