tonyplane(at)bellsouth.ne
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 Posted: Sat Apr 25, 2009 5:11 am Post subject: Zodiac flutter Testing |
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See AVwebFlash <avweb(at)e.avflash.com (avweb(at)e.avflash.com)> 24 April 09
When the NTSB last week issued a report calling for the Zodiac CH-601XL aircraft to be immediately grounded due to concerns about aerodynamic flutter, it caught the manufacturers by surprise -- but this week at Sun 'n Fun, Mathieu Heintz of Zenair provided AVweb with an update on the company's response to the concerns raised by the report. Independent researchers in Germany are conducting detailed tests on the airplane wings to explore any possibility of flutter issues, Heintz said. "We've seen very clearly that when we have tight control cables as per the design requirements, we do not have a flutter problem with the airplane," he said. Loose cables can result in flutter, he said, but proper maintenance should prevent that from happening. Many of the CH-601XL aircraft were sold as kits before the S-LSA version became available. Heintz said that videos and other data and reports from the independent testing now underway will soon be made available on the company's Web site, and he added that he met with FAA representatives at Sun 'n Fun this week. Click here to listen to AVweb's podcast of the full interview with Heintz. More...
Tony Graziano
XL/Jab; N493TG ;485 hrs
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