Charles Gray wrote in message . ..
When was the earliest turbine powered helicopter? I khnow that the
turbine is far more effective than an IC engine.
Also, what was the delay? Was it just a matter of nobody really got
around to it, or were there power/reliability issues with the
turbines?

Although Italy was working on one, the French Ariel III was first


http://www.awgnet.com/shownews/01hai1/intell04.htm

Ariennya Romani