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JAPhillipsGA(at)aol.com
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 Posted: Mon Jan 29, 2007 8:12 am Post subject: Wing flutter! |
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Tim, I heard the roar/ryrthem, felt the hard vibration, left hand went to the throttle, looked to the left, saw the wing "fluttering" about 2-3 inches up and down to a blur in unison with the roar and vibration, yelled " OH SHIT !, looked back at the speed indicator, read 142 mph, pulled throttle back and nose up for a split second, no change to roar and vibration, banked hard left and dove mostly inverted, somewhere in roll and dive roar and vibration ended, pulled out, leveled off at about 170 mph, slow to about 100 mph, creep easy back to field. The whole thing from beginning of roar to end may have been 5-6 seconds. Things can move pretty fast when scared. Lesson learned, stay away, way, way from power plants, Best regards, Bill of Georgia 103 XL hours, 90 flights [quote][b]
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Martin Pohl
Joined: 30 Jan 2006
Posts: 118
Location: CH-8645 Jona SG, Switzerland
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Gig Giacona
Joined: 10 Jan 2006
Posts: 1416
Location: El Dorado Arkansas USA
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| Posted: Mon Jan 29, 2007 11:45 am Post subject: Re: Wing flutter! |
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To increase speed in a situation like this is counter to everything I know, or have ever heard about flying. I'm glad you are OK.
DO NOT ARCHIVE
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W.R. "Gig" Giacona
601XL Under Construction
See my progress at www.peoamerica.net/N601WR |
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David X
Joined: 10 Jan 2006
Posts: 154
Location: Princeton, NJ, USA
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| Posted: Mon Jan 29, 2007 8:42 pm Post subject: Re: Wing flutter! |
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Good to know that the wings don't pop off at 170 MPH. Don't plan to prove you wrong, though. :wink:
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Zodiac 601 XL - CZAW Built - Rotax 912S
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japhillipsga(at)aol.com
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| Posted: Tue Jan 30, 2007 9:30 am Post subject: Wing flutter! |
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Gig, slowing down just left me still in the heat collum, I wanted out and away from it as fast as possible and rolling and diving away was the quickest way I could get away from it. Everybody gets to make a choice, but I felt sure that another second or two would have had me flying just a fuselage. Best regards, Bill
--
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Gig Giacona
Joined: 10 Jan 2006
Posts: 1416
Location: El Dorado Arkansas USA
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| Posted: Tue Jan 30, 2007 2:19 pm Post subject: Re: Wing flutter! |
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Like I said. I'm glad you came out of it OK. And I hate Monday morning quaterbacking but I don't think at a point where the structure of the aircraft is in question that the best idea is to speed up to within 10 MPH of the VNE of the aircraft.
That said have you looked at the attachement points yet? Is there any visible damage?
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W.R. "Gig" Giacona
601XL Under Construction
See my progress at www.peoamerica.net/N601WR |
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