With Military Backing, Piasecki Steps Up Development of Hydrogen-Powered PA-890 Helicopter
The hydrogen-powered PA-890 slow-rotor wing compound helicopter is expected to be able to carry a pilot and up to seven passengers on trips of over 200 nm.
Piasecki's PA-890 hydrogen-powered helicopter will carry a pilot and seven passengers over 200 nautical miles. (Image: PIasecki Aircraft)
