Flysub koax helikopter
Great day at Friedrichshafen, near Lake Constance, in Germany, where Aero was in session at the new Messe. Good collection of wild and wacky new helicopter ideas, as well as some incredibly safe and sensible ideas.
Discopter Air Taxi concept
Whisper from Avingnon
Whisper is an innovation from EAC, a French company, who envisage running the machine with eight rotors and four battery packs.
Detail of Whisper’s rotor. 
Zefhir, unveiled today by Curti Aerospace Divison
Zefhir is a two seat turbine engine ultralight with a FADEC running and starting system and a ballastic parachute in case of trouble.
Konner K1, like the Zefhir from Italy, is a composite two seat ultralight with a turbine engine, and there is also a four seat version K2
Konner K2
Counter-rotating helicopter
Flysub from HungaryVerre Poisson
Glowing Whale
