NASA Rethinks X Planes

Dean Sigler Electric Aircraft Components, Electric Aircraft Materials, Electric Powerplants, Hybrid Aircraft, Sustainable Aviation 0 Comments

In your editor’s childhood and youth, X Planes were all premised on speed, Chuck Yeager breaking the sound barrier in 1947 in the Bell X-1 when your editor was five years old (do the math).  Movies that filled screens in those days featured test pilots as steely-jawed, fearless protagonists beating back the awesome forces in the sky.  Frequent news stories and breathlessly narrated newsreels, and later television news captured the imagination with items about going higher, faster, and farther. NASA is bringing back the X-plane, but emphasizing quiet, efficient, clean and practical goals.  NASA’s own description of the programs shows a turn toward green aviation in our future.  “Goals include showcasing how airliners can burn half the fuel and generate …

Quart in a Pint Pot

Dean Sigler Batteries, Electric Aircraft Components, Electric Aircraft Materials, Electric Powerplants, Sustainable Aviation 1 Comment

Lilium is still in its incubator stage, but drawing a lot of interest for its radical two-seat, high-speed aerial vehicle. EIT Climate-KIC, one of the funding organizations helping underwrite this startup, includes some startling claims in Lilium’s description. “Lilium is designing the world’s fastest and highest-range electric aircraft that is commercially available. “The two-seated light aircraft consumes half the energy of today’s most efficient electric cars and is so quiet that it can’t be heard flying in 1 km (@3,300 feet) altitude. It is propelled by electric impeller engines and features an extensive safety concept comprising a 3-fold redundant fly-by-wire control system, 12 redundant batteries and engines as well as a parachute rescue system for the whole aircraft.” The ESA Business …