Terrafugia, an enterprising company made up of MIT grads, announced the successful maiden flight of the Transition® Roadable Aircraft Proof of Concept. Or, the flying car. Congrats to the company, I wish them success with the two-seater. *** The big idea here of course is one that’s been tried before without success: a road-worthy, street-legal vehicle that, after unfolding the wings, can be flown as a legal LSA from any local airport. *** Lest I forget to mention it, no, you can’t take off from the street in front of your house – unless you live in an airport community and your street is a legal runway. *** The flight followed six months of static, road and taxi testing, says Terrafugia. The car/plane is designed to cruise up to 450 mi. at more than 115 mph, ride at highway speeds with wings folded (which takes, they say, 30 sec.), and fits in a household garage.
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Heart of Texas Fly-In
Chris Regis of Paradise Acft. did me a favor in absentia by filing a quick report from the field about the Heart of Texas LSA Expo fly-in he and other manufacturers recently attended. *** “The folks organizing really took great care of all vendors;it was a small event since it’s their first year but all the top manufacturers were there:Paradise, CT, Jabiru, Sting, Rans, Lambada, Sport Star, etc… *** During the first day, the wind was very strong and no one did demos but Sunday everyone was busy. *** The location is very good, between Dallas and Houston and I am glad that Karl and the rest of the folks decided to do this event. Jim, Texas is a huge market so we will definitely be there next year.
NTSB: “Don’t Fly” Zodiac 601XL!
In a Safety Recommendation released Apr. 14, the National Transportation Safety Board (NTSB) “has investigated a series of in-flight structural breakups of Zodiac CH-601XL airplanes designed by Zenair, Inc…in the United States in the last 3 years. The Safety Board is also aware of several in-flight structural breakups of CH-601XLs that have occurred abroad. It appears that aerodynamic flutter is the likely source of four of the U.S. accidents and of at least two foreign accidents. The Safety Board believes urgent action is needed by the Federal Aviation Administration (FAA) to prevent additional in-flight breakups. Two of the accident airplanes were classified as Special Light Sport Aircraft (S-LSA).” *** In six of the breakups, NTSB noted 10 people were killed. *** Aerodynamic flutter occurs when aerodynamic and structural forces interact and lead to unsafe structural vibration in the airplane. Left undamped, the vibrations can quickly lead to structural failure. *** NTSB’s urgent recommendation to the FAA is to prohibit further flight of the CH-601XL until it can determine the airplane is no longer susceptible to aerodynamic flutter.
Transition Program Hits the Road…er, Sky
The ex-MIT whiz kids who formed their own company (Terrafugia) have just finished the fourth and final round of flight and ground testing on the Proof of Concept Transition® (POC) at Plattsburgh International Airport in upstate New York. *** A total of 28 flights were made, designed to evaluate handling, climb, performance, take-off and landing. *** “The Proof of Concept validated three basic goals,” says a company release. “We could design/build a roadable aircraft, drive it and fly it.” *** The tests will lead to several engineering and design modifications which will be incorporated in the Beta Prototype, targeted for 2010. If all goes according to plan, the company intends to make its first customer delivery in 2011.
Long Distance Runners, Two by Two
Two “Lookie what we can do!” stories – one accomplished, one getting under way this week. *** Avweb reports two chommies (Afrikaans for friends) expect to fly their modified D6 Sling light sport airplane around the world! These adventurous lads modified their South Africa-produced, metal LSA (not ASTM certified in the US) to carry up to 118 gallons in each wing for long legs. Long, as in more than 2,000 nautical miles over water. Holy Lucky Lindy, Batman! And people think I’m nuts flying a hang glider. *** Mike Blyth and James Pitman are the pilots. They hope to launch from Johannesburg this Thursday and make a stop at EAA AirVenture Oshkosh. I’ll try to snag a shot of them. Bon voyage, guys! *** To follow the adventure Click here. *** NEXT UP in the Let’s Rock LSA Dept. comes from my next-issue column, Light Sport Chronicles.
Hang Gliding’s George Washington
Sad news today that the father of hang gliding, Francis M. Rogallo, who I had the distinct pleasure to meet at Kitty Hawk a few years ago when I flew a competition on the dunes, has passed away at 97. *** That’s a nice old age for all to aspire to, but his passing will be marked by every “diver driver” who ever took foot-launched flight. *** “Rog” was universally beloved within the community, and stayed in touch with industry leaders and pilots who lauded him for his gentle good nature and indisputable place as the person who’s aerodynamic engineering creativity directly led to hang gliding, ultralights and todays light sport aircraft. *** Rog invented what came to be known as the Rogallo Wing as a National Advisory Committee for Aeronautics (NACA) project engineer in 1948. He got patents for the flexible v-shaped fabric/frame Parawing in 1951. *** NASA became highly interested in a capsule-deployable version in 1958 for bringing astronauts back home, but dropped the complexities of deploying the steerable design in favor of the round parachutes we know, which were deemed adequate for the mission.
FAA Recommends Safety Mod for Zodiac CH601XL
AMD, makers of the Chris Heinz-designed Zodiac CH601XL and CH650 light sport/experimental built aircraft, just got some bad news from the FAA. *** In its Special Airworthiness Information Bulletin CE-10-08, FAA urged pilots and current builders not to fly either model until they make structural modifications to the aircraft. *** Yet another accident involving a CH601XL brings the number to five in the U.S. and several overseas, with numerous fatalities reported. Consistent reports of control surface flutter and in-flight structural failure have plagued descriptions of the accidents. *** FAA directed its recommendation at: “all serial numbers, including special light-sport category aircraft (S-LSA), experimental light-sport aircraft (E-LSA), and experimental amateur-built aircraft” of the two models, citing “several areas of concern regarding the CH601XL…that may impact the overall safety of the design. Those causing the greatest concern are as follows: *** Wing structure: …the basic static strength of the CH601XL/CH650 does not appear to meet the intent of the ASTM standards… *** Structural Stability: …buckling in the wing structure, including in the center section.
ZAP! Goes An Electric Record
More haps on the electric flight front: At Yuneec Aircraft’s new 250K sq. foot factory airfield in Shanghai, China, Gerard Thevenot, the pioneering French hang glider designer and pilot who blazed foot-launched trails starting in the 1970s, set an electric-flight endurance record in a Yuneec-powered hang glider. *** Flying his own trike design, the go-juice came from a new “longer version” of Yuneec’s Power Drive 10Kw motor system. The flight lasted 1 hour 16 minutes. *** The news here for LSA followers is the ongoing commitment Yuneec has to powering all types of light sport aircraft, from hang gliders, paragliders and trikes like Thevenot’s to the ongoing development of the e-430 two-seat LSA we’ve talked about this year in Plane & Pilot. *** According to Yuneec’s website, Thevenot reportedly made just a couple test flights, then jumped up and set the record. He’s hoping to increase the duration to 1 1/2 hours any day now.
FAA Recommendation: Ground All Zodiacs!
The hubbub continues to brew around airworthiness concerns for the AMD Zodiac 601 and it’s sibling 650 model. Scroll down this page for background on the story. *** Spicing up worries over Zodiac airworthiness comes news of a potential conflict between NTSB and FAA regarding what level of action the fedgov should have taken – months ago. *** Timeline… *** Thursday: For the first time ever, FAA ordered no new airworthiness certificates will be issued for the entire fleet of Zodiac CH-601XL series aircraft until safety mods are installed. *** Friday: NTSB, in an advisory news release, reported yet another Zodiac in-flight break-up – and fatality. The Board took the opportunity to remind us that it had urgently recommended to FAA – back in April 2009 – that it ground the design, after numerous crashes and fatalities, until the problem was effectively addressed by the manufacturers (AMD for SLSA, Zenith for kits).
Aero-Lite Revisited
[UPDATE fall 2009 — Aero-Works left the business several years ago (though in late 2009, originator Terry Raber said he will return to production). Meanwhile, producer Wings of Freedom has begun work on the Phoenix-103, a derivation of the Aero-Lite 103 but with numerous small changes.
This article refers to the aircraft built by AeroWorks and will not be identical to the Aero-Lite 103. The companies are different and Terry Raber has no association with Wings of Freedom.
In the uncertain “new world of Sport Pilot,”
one thing remains exactly as it was – FAR Part 103. While new rules and regulations may shake the ground under the feet of ultralight pilots, Aero-Works continues to produce their popular AeroLite 103. If you build it carefully, you can still enjoy a twin-cylinder ultralight with lots of features that fits Part 103.
Even airline pilots who normally fly under smothering regulations appreciate FAA’s simplest, least intrusive rule, Part 103.
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