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Deems Davis
Joined: 09 Jan 2006
Posts: 925
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 Posted: Mon Apr 07, 2008 9:40 am Post subject: Door separation/opening is an issue, what's the fix/s ? |
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By my admittedly inaccurate count there are at least 5 incidents of
RV-10 doors opening in/during flight with resulting damage. One could
logically assume that there have been:
1. More incidents that actually occurred that were not reported or..
2. More incidents that occurred that did not result in damage (I.e
caught and aborted take-off)
In any rate, the incident rate per flying RV-10 ( approaching 5% ??) is
high enough to have caused me to seriously consider whether a secondary
positive door locking mechanism should be added. (I've already got the
warning lights). I spent several hours over the weekend thinking about
a solution. one of which John G. mentioned. One of the people that had
this happen to them developed a custom solution posted on VAF.
http://www.vansairforce.com/community/showthread.php?t 6526.
I know that some will/have taken the position that proper build skills,
the use of alternate products (Rivethead etc. ) good / intended use of
practices and checklists when flying will minimize the possibility or
risk, all true, NO ONE who sets out on a flight plans to have a door
open, but one need only look at the photos of the damage to this recent
incident to realize just how serious the consequences of an incident
like this could be. That coupled with the increasing frequency of
reported incidents is making me very uneasy.
I have also come to appreciate the creativity and expertise that is
contained within this community. (witness the recent threads on Rudder
trim alternatives). So I'm VERY interested in what other builder/fliers
are thinking/doing/planning on this subject.
What you got????
Deems Davis # 406
'Its all done....Its just not put together'
http://deemsrv10.com/
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greghale
Joined: 10 Jan 2007
Posts: 91
Location: Tulsa, Oklahoma
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| Posted: Mon Apr 07, 2008 10:13 am Post subject: Re: Door separation/opening is an issue, what's the fix/s ? |
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I was just about to post the same question as Deems. I have the Coss Aviation flush door handles. I also have installed the Rivethead door pins and guides. Since the handle mechanism does not have a "locking" provision, I am concerned about the inside handle getting bumped or accidentally moved to the open position. Any ideas or suggestion would surely be appreciated.
Thanks
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Greg Hale rv10 -- N210KH
www.nwacaptain.com |
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robin1(at)mrmoisture.com
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| Posted: Mon Apr 07, 2008 1:02 pm Post subject: Door separation/opening is an issue, what's the fix/s ? |
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Greg,
I have the Hendricks door handles & Rivethead Door Pins/Guides
that seem to be a very similar set up to yours and Deems. We turned
around the door handle to reduce the chance of the handle getting hooked
on clothing or ??? but that did not make me comfortable enough so we
added a secondary mechanical barrier to the door handle. Photos &
description are detailed at the bottom of this page.
http://www.painttheweb.com/rv-10/doors.htm
This is not a complete solution to all possible door opening
scenarios but primarily a fix for the inadvertent door handle release.
Having now been in 3 airplanes where the door opened in flight
(on takeoff) I have always felt that forward facing door hinges like on
the Cirrus would have been a better design choice for the -10.
Robin
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greghale
Joined: 10 Jan 2007
Posts: 91
Location: Tulsa, Oklahoma
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| Posted: Mon Apr 07, 2008 1:46 pm Post subject: Re: Door separation/opening is an issue, what's the fix/s ? |
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That's what I like about this forum. You get answer right away. Robin I like what you have done and may borrow some of your ideas on the handle and the door hinge covers - pretty nifty.
Andy the link to the pictures really drives the point home. The doors need to be secured shut.
Greg...
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Greg Hale rv10 -- N210KH
www.nwacaptain.com |
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VHMUM(at)bigpond.com
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| Posted: Mon Apr 07, 2008 2:26 pm Post subject: Door separation/opening is an issue, what's the fix/s ? |
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Deems I know of one out here as well however his did not come off .
regards Chris 388
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daveleikam(at)wi.rr.com
Guest
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| Posted: Mon Apr 07, 2008 7:51 pm Post subject: Door separation/opening is an issue, what's the fix/s ? |
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All the extra latching mechanisms seem great but, there is a lot of air
pressure outside those doors even on take off roll. Any way to use that
pressure to keep the doors closed, even with the hinges on top?
Dave Leikam
40496
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