At the Experimental Aircraft Association’s AirVenture, a week of grand aviation events comes to a close with the annual Personal Aircraft Design Academy meeting. Each year, an individual or group who has contributed significantly to the progress of personal aviation receives a trophy in recognition of that contribution. Your editor could not be there this year, but CAFE President Brien Seeley officiated and shares this report. “The Personal Aircraft Design Academy (PADA) convened its 13th annual meeting on July 24 at 7:30 p. m. in the EAA Vette Theatre. After nominations and voting by members of the PADA Board, the group presented the perpetual PADA Trophy to Boris Popov for his career-long achievements in bringing forth ballistic recovery systems for aircraft. Boris was also awarded the PADA medal as he accepted the trophy and proceeded to deliver an inspiring speech about the history and successes of vehicle parachute systems. He recounted that 326 lives have been saved by the BRS system thus …
Good News and a Bright Future from EAS IX
Sitting next to your editor for the first day of CAFE’s ninth annual Electric Aircraft Symposium, Paul Bertorelli from AVweb, took copious notes, made sound recordings, and during coffee and lunch breaks and in after-hours sessions, interviewed the accomplished faculty at the Symposium. His thorough and far-reaching reports appear in his last several days’ postings to AVweb. Having stressed mightily while attempting to take understandable notes from each speaker’s talk, your editor can only be impressed by Paul’s super reportorial abilities, and his communicating the scope and importance of what took place at EAS IX. From your editor’s perspective, several significant things took place this year. Senior leadership from Airbus and Siemens presented talks affirming their companies’ commitment to making progress in electric aviation, with future plans to develop two and four-seat aircraft for European and American markets from Airbus, and to produce a range of light-weight, commercially-available motors from Siemens. Siemens has 343,000 employees worldwide and revenues of 101.2 …
EAS IX to be A Gala Gathering
Dr. Seeley sent this along today. On May 1, 2, 2015, the world’s leading experts will converge for the 9th Annual CAFE Electric Aircraft Symposium in the beautiful Sonoma Wine Country. The confirmed presenters include: Airbus on “The e-Fan Design” Michigan’s Satki3 CEO Ann Marie Sastry on “Solid State Energy Storage” Italy’s Eric Raymond of GFC I Team-eGenius on “Sunstar and the SunSeeker Duo” Slovenia’s Tine Tomazic of GFC I Team Pipistrel USA on “Converting GA Aircraft to Electric Propulsion” UCR’s Zach Favors on “Beach Sand for Long Cycle Life Li-ion Batteries” Northrop-Grumman’s J. Philip Barnes on “Regenerative Electric Flight” NASA’s Dr. Eric Darcy on “Battery Safety” Ford/Ricardo’s Neil Johnson on “Li-ion BMS & Gauging” Launchpoint’s Michael Ricci on “Propulsion by Wire” Also expected are Northrop-Grumman’s Barnaby Wainfan on “Low Aspect Ratio Electric Aircraft”, Ray Pekar of Autoliv on “Airbags for Impact, Rafts and EMAS”, Bose Automotive Suspension lead Neal Lackritz on “Active Suspension for Sky Taxis” and Jeff DeGrange of …
Adam and Jamie are Paying Attention
Dr. Seeley alerted your editor this morning that Adam Savage and Jamie Hyneman’s web site, Tested.com, featured an entry on electric aircraft, “Fuel-Free Flight: the State of Electric Airplanes,” by Terry Dunn. Dunn does a good job of covering history and advantages of electric aircraft – complete with a quote from Dr. Seeley about the good neighbor aspect of quiet electric airplanes. He also discusses the barriers to electric aircraft development beyond current motor gliders and light aircraft – mainly the question of obtaining batteries that have much better energy densities than those currently available. “The batteries currently available are adequate to provide suitable range for some flyers. As the pool of available batteries improves, so will the range of electric aircraft and the number of pilots who embrace them. Despite continued progress, I think that a ground-breaking battery breakthrough is necessary before electric powered airplanes can become commonplace in the near term.” Despite the obstacles, he notes that the …
PADA Lectures Highlight Innovation
The 2014 Personal Aircraft Design Academy (PADA) dinner and awards ceremony, the latter held in the Vette Theater at the Experimental Aircraft Association’s Museum, highlighted design innovation and the possible commercial exploitation of new technology. Dr. Brien Seeley, Founder and President of the CAFE Foundation, hosted the evening and introduced your CAFE blog editor, who gave an overview of innovations in aircraft, avionics and powerplants he’d encountered on his daily hikes around Wittman Field. Dr. Seeley had the honor of presenting this year’s PADA trophy to John O’Leary, Vice President and General Manager of Airbus Americas Engineering (AAE), for the parent company’s development of the E-Fan, a twin-motored personal airplane that has been a highlight of the Paris and Farnborough air shows. With the flying displays behind it, the proof-of-concept machine will be the basis for two-seat (E-Fan 2.0) and four-seat (4.0) production variants that will bring smooth electric power to private flight. The two-seater, which can double as a …
EAS VIII: Bruno Mombrinie and Dr. Brien Seeley – Economies and Practical Considerations for Sky Taxis
Bruno Mombrinie, a director for the CAFE Foundation, and Dr. Brien Seeley, founder and President of the organization, gave a one-two presentation on pocket airports and Sky Taxis that examined the practical and operational facets of such a program, first described in detail in a joint NASA/CAFE Foundation document. According to Bruno’s CAFE biography, “As a freshman, he helped build MIT’s Chrysalis human powered airplane. Later that summer he got to fly the plane several times. ‘The feeling of being so, so high (39ft)…to fly under my own power was beyond…I just wanted to burst…actually I was so out of breath from the effort, I could hardly mouth ‘yippee!’” (The Chrysalis, and other MIT designs led to Daedalus, the HPA that flew from Crete to Sicily on April 23, 1988 – 72.44 miles in less than four hours.) This experience with extreme pedal power probably helped inspire his work on the Negative Mass two-piece crankset, reputedly the world’s lightest and stiffest bicycle crankset. His …
EAS VIII: Making Small Airplanes Ride Smoothly
Dr. C. P. (Case) van Dam of the University of California at Davis provided some counter-intuitive pointers on making small airplanes ride more smoothly to participants at the eighth annual Electric Aircraft Symposium in late April. His solutions for ride quality enhancement in small airplanes are an essential ingredient in making electric Sky Taxis a plausible reality. Because at least initially many electric aircraft are constrained to long wing spans and light wing loadings, they are subject to “perturbations of significant magnitude to be unacceptable.” These disruptions of the intended altitude and direction of the aircraft can be more upsetting to passengers than to the aircraft itself, but van Dam had several suggestions to alleviate the vertical and lateral accelerations that passengers perceive as bumpy air. He had explained the possible need for a gust alleviation system in his 2008 Electric Aircraft Symposium talk, something he felt even then would be necessary, “In order for these vehicles to achieve acceptable …
EAS VIII: High Efficiency Forward Swept Propellers at Low Speed
Working with Craig D. Paxton, Peter J. Gryn, Erisa K Hines, and Ulises Perez, Dr. Ge-Cheng Zha of the University of Miami Department of Aeronautics and a NASA Innovative Advanced Concepts (NIAC) Fellow, has worked on a method to improve propeller efficiency and reduce blade stall using a forward tangential swept configuration. Dr. Zha wowed EAS VII attendees last year with his astonishing high-lift, high-speed wing design. This year, he gave hope for advanced propeller design. The professor and his team are trying to increase general aviation fuel efficiency and reduce pollution. Propellers, imparting the energy from the engine or motor to the air, are a good place to start. Most current propellers are axial and are straight bladed or have blades with a backward sweep, the well-known scimitar blade shape. This approach mimics the advantages gained from swept wings. Zha’s team borrowed from turbofan technology to develop forward tangential swept propellers. They might have looked at sailplanes like the …
Dr. Ajay Misra Leads Off With a Hit at EAS VIII
Not to indulge in hyperbole, but people who missed the eighth annual Electric Aircraft Symposium will, like the laggards mentioned in Henry V’s speech, “think themselves accurs’d they were not here” (Shakespeare, Henry V, act 4, scene III). After the Friday morning introductions by Dr. Brien Seeley, founder and president of the CAFE Foundation, things immediately went into high gear with the presentation by Dr. Ajay Misra, NASA Glenn Research Center. A member of the Senior Executive Service, he is Chief of the Structures and Materials Division in the Research & Technology Directorate. In this position, Dr. Misra has the responsibility for planning, advocating, coordinating, organizing, directing and supervising all phases of Division research and business activities. His degrees in metallurgy, an MBA degree and a doctorate in materials science and engineering demonstrate the high intellectual skills necessary to manage the 120 employees and 100 contractors in Dr. Misra’s Division. His discussion on “Nano-Magnets and Additive Manufacturing for Electric Motors” …
EAS VIII – A Day and a Half You’ll Never Forget
Who would pass up a chance to stay at a nice resort, attend lectures that challenge and inspire, and meet at poolside with speakers who bring some of the sharpest minds in the world to bear on some of the biggest problems we all face? Let’s face it. Global warming probably won’t be going away anytime soon, and aviation seems destined to play a bigger part in polluting our otherwise near-perfect atmosphere. Unless…we learn how to make our favorite activity (in the top five for most of us, anyway), into a more responsible way to travel and recreate. Since solving the problems which go with that responsibility will involve the best in aerodynamics, power systems and new, efficient technology, the CAFE Foundation has invited experts in these fields with demonstrated successes in meeting such challenges. To be held April 25 and 26, 2014 at the Flamingo Resort in Santa Rosa, California, the event will host speakers on everything from practical, …