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GalinHdz
Joined: 08 Nov 2017
Posts: 150
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 Posted: Thu Jun 21, 2018 6:33 pm Post subject: Hinge Failure Video |
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I made a short video of my KIS4 hinge failure and how to inspect it. You can view it at:
https://www.youtube.com/watch?v=9rVUYrrd7VE
| | - The Matronics KIS-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
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mike(at)vision499.com
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| Posted: Thu Jun 21, 2018 6:44 pm Post subject: Hinge Failure Video |
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Hello Galin,
Thanks for doing this, just amazing how much wear there was.
Mike
From: owner-kis-list-server(at)matronics.com [mailto:owner-kis-list-server(at)matronics.com] On Behalf Of Galin Hernandez
Sent: June 21, 2018 7:33 PM
To: kis-list(at)matronics.com
Subject: Hinge Failure Video
I made a short video of my KIS4 hinge failure and how to inspect it. You can view it at:
https://www.youtube.com/watch?v=9rVUYrrd7VE
 Virus-free. www.avast.com [url=#DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2] [/url]
| | - The Matronics KIS-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?KIS-List |
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pastormac62
Joined: 07 Sep 2015
Posts: 71
Location: Indiana
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| Posted: Fri Jun 22, 2018 2:22 am Post subject: Hinge Failure Video |
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Thank you!!
To our success, Stephen McIntosh
On Jun 21, 2018, at 10:32 PM, Galin Hernandez <galinhdz(at)gmail.com (galinhdz(at)gmail.com)> wrote:
| | - The Matronics KIS-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?KIS-List |
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Robert Reed
Joined: 22 Oct 2009
Posts: 331
Location: Dallas/Ft.Worth
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| Posted: Fri Jun 22, 2018 4:26 am Post subject: Hinge Failure Video |
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Galin
One thing that I am not clear on is how the hinge actually failed. Did the worn tabs all fail or did the loosened hinge pin fall out?
I know that I was paranoid and did an overkill on all of my hinges by doubling the length and additional screws but the idea of just crimping the end to retain the pins didn’t appeal to me as being the right choice. I added a small tab to on end of each hinge with a small hole that a bolt could be inserted. Each hinge pin has a 90 degree bend and a loop that aligns with the tab. I put a small bolt through with lock nut after installing. I couldn’t get the bolt into a couple of them so I used safety wire to tie them in place. The hinge pins can’t come out no matter how loose the hinge.
Bob Reed
Sent from my iPhone
On Jun 21, 2018, at 9:32 PM, Galin Hernandez <galinhdz(at)gmail.com (galinhdz(at)gmail.com)> wrote:
| Quote: | I made a short video of my KIS4 hinge failure and how to inspect it. You can view it at:
https://www.youtube.com/watch?v=9rVUYrrd7VE
=================================== //www.matronics.com/Navigator?KIS-List =================================== cs.com =================================== om =================================== matronics.com/contribution ===================================
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| | - The Matronics KIS-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?KIS-List |
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aeromomentum(at)yahoo.com
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| Posted: Fri Jun 22, 2018 4:31 am Post subject: Hinge Failure Video |
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This sort of play should really be seen even on a preflight inspection let alone an annual inspection.
| | - The Matronics KIS-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?KIS-List |
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GalinHdz
Joined: 08 Nov 2017
Posts: 150
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| Posted: Fri Jun 22, 2018 2:31 pm Post subject: Hinge Failure Video |
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Bob; There was no indication of the actual hinge failing except the insides being worn out. Then there is the fact the pin was nowhere to be found. Otherwise the hinge looked normal. It fell out. If it would have been one long hinge, the entire rudder would have failed catastrophically and I would have been in real doggie do-do. But since it had two hinges, the second hinge held long enough to safely land the airplane. That is why I decided to add a 3rd hinge instead of making one super long hinge.
On Fri, Jun 22, 2018 at 8:26 AM, Robert Reed <robertr237(at)att.net (robertr237(at)att.net)> wrote:
| Quote: | Galin
One thing that I am not clear on is how the hinge actually failed. Did the worn tabs all fail or did the loosened hinge pin fall out?
I know that I was paranoid and did an overkill on all of my hinges by doubling the length and additional screws but the idea of just crimping the end to retain the pins didn’t appeal to me as being the right choice. I added a small tab to on end of each hinge with a small hole that a bolt could be inserted. Each hinge pin has a 90 degree bend and a loop that aligns with the tab. I put a small bolt through with lock nut after installing. I couldn’t get the bolt into a couple of them so I used safety wire to tie them in place. The hinge pins can’t come out no matter how loose the hinge.
Bob Reed
Sent from my iPhone
On Jun 21, 2018, at 9:32 PM, Galin Hernandez <galinhdz(at)gmail.com (galinhdz(at)gmail.com)> wrote:
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| | - The Matronics KIS-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?KIS-List |
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Robert Reed
Joined: 22 Oct 2009
Posts: 331
Location: Dallas/Ft.Worth
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| Posted: Fri Jun 22, 2018 2:46 pm Post subject: Hinge Failure Video |
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Galin
That is what I suspected, the loosened pin was not locked in and fell out the bottom of the hinge. The way the original instructions said to secure the pin just never seemed right to me.
Bob Reed
Sent from my iPhone
On Jun 22, 2018, at 5:30 PM, Galin Hernandez <galinhdz(at)gmail.com (galinhdz(at)gmail.com)> wrote:
| Quote: | Bob; There was no indication of the actual hinge failing except the insides being worn out. Then there is the fact the pin was nowhere to be found. Otherwise the hinge looked normal. It fell out. If it would have been one long hinge, the entire rudder would have failed catastrophically and I would have been in real doggie do-do. But since it had two hinges, the second hinge held long enough to safely land the airplane. That is why I decided to add a 3rd hinge instead of making one super long hinge.
On Fri, Jun 22, 2018 at 8:26 AM, Robert Reed <robertr237(at)att.net (robertr237(at)att.net)> wrote:
| Quote: | Galin
One thing that I am not clear on is how the hinge actually failed. Did the worn tabs all fail or did the loosened hinge pin fall out?
I know that I was paranoid and did an overkill on all of my hinges by doubling the length and additional screws but the idea of just crimping the end to retain the pins didn’t appeal to me as being the right choice. I added a small tab to on end of each hinge with a small hole that a bolt could be inserted. Each hinge pin has a 90 degree bend and a loop that aligns with the tab. I put a small bolt through with lock nut after installing. I couldn’t get the bolt into a couple of them so I used safety wire to tie them in place. The hinge pins can’t come out no matter how loose the hinge.
Bob Reed
Sent from my iPhone
On Jun 21, 2018, at 9:32 PM, Galin Hernandez <galinhdz(at)gmail.com (galinhdz(at)gmail.com)> wrote:
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| | - The Matronics KIS-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
http://www.matronics.com/Navigator?KIS-List |
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