Diamond Hybrid Drive – One Engine, Two Motors

Dean Sigler Diesel Powerplants, Electric Powerplants, Sustainable Aviation 1 Comment

Diamond aircraft seem to have been the go-to choice for electrification, with Boeing and Airbus fielding different versions powered by an array of powerplants.    In 2008,Boeing’s fuel cell-powered craft, a DA-36 Dimona motorglider, “was modified by [Boeing Research and Technology Europe] (BR&TE) to include a Proton Exchange Membrane (PEM) fuel cell/lithium-ion battery hybrid system to power an electric motor coupled to a conventional propeller.”  Airbus’ 2011 DA-36 “E-Star’s” propeller was powered by a 70kW electric motor from Siemens, with electricity supplied by a small Wankel engine from Austro Engine with a generator functioning solely as a power source.  In 2014, Airbus showed an improved version of this craft at the Paris Air Show.  Erik Lindbergh chose the Diamond HK-36 for …

China Permits Two-Seat Electric Aircraft

Dean Sigler Electric Powerplants, Sustainable Aviation 3 Comments

Jane Zhanf of Silk Wings Aviation (see note), an aircraft consulting firm, commented on an earlier post about the RX1E, an airplane designed by Shenyang University students and demonstrated at two airshows over the last two years.  Similar to the Yuneec (GreenWings) E430, it is a totally different design. “CAAC (Civil Aviation Administration of China) just awarded[a]TDA (Type Design Approval) to them! “By the way, Yuneec E430 is not widely known in China, not an excuse for the wrong claim of being #1 from China though.  (Editor’s Note: The E430 is being developed by GreenWings, now based in California.  It uses a Yuneec motor.) “Given FAA and EASA don’t support electric SLSA (Special Light Sport Aircraft – allowed to be used …