06 Jul 2025, 15:46 [ UTC - 5; DST ]
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Post subject: Re: New Piper wing spar report  Posted: 24 Oct 2022, 18:04 |
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Joined: 02/18/18
Posts: 680
Post Likes: +394
Location: KFIN
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Username Protected wrote: In raw numbers, many more Beech products have shed wings in flight than the three Pipers that precipitated the AD. Glenn, You willing to share where you found those numbers. I would like to check them out.
Actually only two - the pipe patrol and the Embry Riddle Arrow planes led to the AD. The third mentioned in the SAIB few in to a thunderstorm. Yes the wing broke, but that's not supporting data.
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Post subject: Re: New Piper wing spar report Posted: 10 Nov 2022, 23:36 |
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Joined: 08/16/15
Posts: 3459
Post Likes: +4995
Location: Ogden UT
Aircraft: Piper M600
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Username Protected wrote: In raw numbers, many more Beech products have shed wings in flight than the three Pipers that precipitated the AD. Yep... and I would like to know how many strut braced Cessnas have shed a wing in flight or suffered any type of airframe failure?
Saw a breakdown of that somewhere. Surprised me, it was in double digits. Some weather related, some LOC related, and some related to improper bracing. Pretty strong design though. But then again these planes are not the fastest.
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Chuck Ivester
Piper M600
Ogden UT
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Post subject: Re: New Piper wing spar report Posted: 10 Nov 2022, 23:59 |
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Joined: 04/06/11
Posts: 9246
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Aircraft: Warbirds
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Username Protected wrote: Some interesting history on the Beech spar strap is in this forum thread: http://www.avcanada.ca/forums2/viewtopi ... a6#p180729The Twin Beech has a welded Steel Spar. The spar strap has a series of blocks that clamp to the steel tube and allow the long flat spar strap to integrate the strap to the round/oval steel tube structure. I don’t believe the Queen Air/King Air wing structure had a welded steel tube wing spar.
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Be careful what you ask for, your mechanic wants to sleep at night.
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