Electric-powered flight pioneer Lange Aviation is developing a fuel cell-powered unmanned air vehicle technology demonstrator with an undisclosed partner.
The UAV, called H3, will be optionally manned to enable safe test flights and could pave the way for H4, a long-endurance fuel cell-powered UAV product being planned by Zweibrucken, Germany based-Lange.
Lange has already worked on a fuel cell aircraft with the German
Aerospace Agency DLR, based on the company's Antares motor glider
product and called the H2. The Antares
DLR-H2 (below) flew for the first time in 2008. It was developed to test
fuel cell technology for possible future auxiliary power units on board Airbus
airliners. Continue reading...