e-flight-Journal_4-2022

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Cover eFlight Story Forum Johannes Garbino-Anton of the company NEX Aircraft introduced their concept of a Fuel Cell driven fiveseated eVTOL for regional purpose with a range of true 500 Kilometers+. The aircraft had its debut this year at the Greentech-Expo in Berlin. HYDROGEN AVIATION The second session of the second day was about hydrogen aviation, a topic which has been more and more discussed in the last three years. Meaning, how hydrogen can be used as the power storage for electric aviation. The panel discussed the different options; for example, using hydrogen in a fuel cell for electricity production for the e-motor; having turbine burning hydrogen which produces electricity over a generator for the emotors; or finally, burning the hydrogen in turbines which drive the aircraft directly. The session started with Johannes Anton, CTO of the company NEX Aircraft,which is working on a fuel-cell-powered medium range eVTOL. The range they want to reach with their first fiveseat lift and cruise eVTOL is over 500 Kilometers plus a reserve, which is clearly more than the best battery powered eVTOLs. They are cooperating with the British fuel cellmanufacturer Intelligent Energy and the main goal at the moment is to bring down the waste energy from the fuel cell. He reported that at they are flying with a 25% scaled prototype which is driven by a fuel cell. The 50% aircraft is in production and should be flying mid 2023. Next speaker of the session was Phillip Scheffel, CEO of company APUS, one of the cooperation partners of Nex. Besides their engineering work for integration of fuel cells into aircraft and helping in certification, Apus is also working on their own aircraft, a small four-seater conventional aircraft called I-2 with two electric motors. The unique innovation in this aircraft is that the gaseous hydrogen is stored in the tubular wingspars in the centre of gravity of the aircraft. A second prototype, the I-5, is already under prototyping as well. Next speaker in the forum was Jonathan Douglas-Smith, the Aerospace Business Development Manager of the fuel cell manufacturer Intelligent Energy. He reported on the fuel cells for eV- TOLs and Sub-Regional Aircraft. The company has more than 1000 patents in fuel cell technology. The design centre is near London, but the company is also operating in the U.S., South Korea, Japan, and China. At the moment, the company is actively selling fuel cells in four sectors: IE-Soar for smaller drones for inspection and transport; IE-lift in utility vehicles like forklifts; IE-Drive fuel cells for cars, trucks, busses and stationary power units; and finally, the latest IE- flight fuel cells for eVTOLs and small, medium and large aircraft. One of the core technologies is the cooling technology though evaporative cooling. Not only the energy density of the hydrogen is much better as in the best batteries,but the charging/refuelling time is much better as well. Final speaker of the session was Michael Friend, Member of the Board of ZeroAvia. The company has the goal of developing regional hydrogen aircraft faster than anybody else in the world. Michael has a very long history of working on hydrogen drives for aircraft in various leading technical positions. At Boeing he was responsible for the first manned fuel cell aircraft in the mid 200th. He thinks that there is enormous pressure on the commercial aircraft industry to reduce their ecological footprint. He gave an overview of ZeroAvias’s very aggressive timeline to the first commercial hydrogen aircraft. As they are working on larger aircraft and need more energy they are more focussed on liquid (or cryogenics) hydrogen, which needs no pressure but a lot of cooling. He stated that after the successful flight of the fuel-cellpowered Piper single engine turboprop in 2019, the first flight of the hydrogen powered Dornier 228 twin engine turboprop can be expected soon. This aircraft will become the first commercial product of the company and the next larger step, a 40-80 passenger commercial airliner with a range of over 500 nautical miles, is planned for 2027. The following Q&A session was very interesting and can be watched here. 22 e Flight Journal 4 / 2022
eFlight Forum Phillip Scheffel, CEO of APUS Group, is working on a series of fuel cell aircraft, starting with the i3 (right), a four seat twin engine GA aircraft. The special “Gag”: the gazeouse hydogene is stored in tubular wing spars (below); the company just received their EASA DOA. Jonathan Douglas-Smith, Aerospace Business Development Manager at the British fuel cell manufacturer Intelligent Energy, reported on Intelligent Energy’s IE-Flight Fuel Cells for eVTOLs and Sub-Regional Aircraft, and where there are synergies with other transport segments. 4 / 2022 e Flight Journal 23
Page 1 and 2: Electric Aviation, VTOLS, Multicopt
Page 3 and 4: editorial e-flight progress - despi
Page 5 and 6: BeL, LuX, doM, port. cont. : 8,70 T
Page 7 and 8: News Archer’s Maker eVTOL succeed
Page 9 and 10: Purely Electriflying E-10 SCYLAX e-
Page 11 and 12: THE LEADING SHOW FOR GENERAL AVIATI
Page 13 and 14: eFlight Forum Autoflight: the forum
Page 15 and 16: eFlight Forum Wisk: the previous fi
Page 17 and 18: eFlight Forum Rolls Royce has alrea
Page 19 and 20: eFlight Forum Theion’s key value
Page 21: eFlight Forum David Solar, the EASA
Page 25 and 26: eFlight Forum The following present
Page 27 and 28: Many World Directory of Light Aviat
Page 29 and 30: Market Watch The UG-2 will be able
Page 31 and 32: Market Watch The e-Racer is expecte
Page 33 and 34: e vent Volocopter and Skyports, tog
Page 35 and 36: e vent The scoreboard like the big
Page 37 and 38: e vent Volocopter CCO Christian Bau
Page 39 and 40: e vent Project panel: Bern Korn DLR
Page 41 and 42: e vent The DLR Institute of Flight
Page 43 and 44: Expos / Fairs Top Col. Nathan Dille
Page 45 and 46: Expos / Fairs Tetra is a new eVTOL
Page 47 and 48: Even Birds are Jealous! eVTOL Simul
Page 49 and 50: Expos / Fairs The interface of the
Page 51 and 52: Expos / Fairs A look into the futur
Page 53 and 54: Expos / Fairs with photos and some
Page 55 and 56: Expos / Fairs This year the French
Page 57 and 58: STRONG LIGHTWEIGHT FAST 2-blade Fix
Page 59 and 60: The Future of Aviation April 19- 22
Page 61 and 62: There’s a reason pilots... Instal

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