Today's Message Index:
----------------------
1. 06:26 AM - Re: Re: Anti Door Warping (SHERIDAN Roger)
2. 06:39 AM - Re: Re: Anti Door Warping (Pete)
3. 07:35 AM - Re: N460HJ flies again (n7188u)
4. 07:55 AM - Re: Anti Door Warping (n7188u)
5. 01:05 PM - Re: Anti Door Warping (Area-51)
6. 01:25 PM - Re: Re: Anti Door Warping (Alan Burrill)
7. 01:31 PM - Re: Anti Door Warping (rparigoris)
Message 1
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| Subject: | Re: Anti Door Warping |
x-mailer: Apple Mail (2.3731.200.110.1.12)
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Message 2
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| Subject: | Re: Anti Door Warping |
Overcenter cam..no friction. :)
> On Dec 8, 2022, at 9:38 AM, SHERIDAN Roger <RSheridan@specialist-aviation.
com> wrote:
>
> =EF=BBThanks for that suggestion A51.
>
> My passive pin attempt had too much friction but the roller idea is a grea
t one that I might try.
>
> Alan, Dirk Oyen uses a passive support strut:
>
>
>
>
> Roger Sheridan
>
> Line Pilot
>
> +44 (0) 1737 822 885
>
>
> www.specialist-aviation.com
>
> Specialist Aviation Services Limited =93 Registered in England and W
ales No:1848773
> Registered office: Gloucestershire Airport, Staverton, Cheltenham, Glouces
tershire GL51 6SS
>
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>> On 8 Dec 2022, at 06:59, Area-51 <goldsteinindustrial@gmail.com> wrote:
>>
>> CAUTION: This email originated from outside your organization. Exercise c
aution when opening attachments or on clicking links from unknown senders.
>>
om>
>>
>> Hi Ron, thanks for your request regarding door warping... to be straight u
p its not an issue i have time to sit and examine; my time is constantly tru
ly limited.
>>
>> The CAD testing calls for a non dynamic testing algorithm which will not b
e accurate enough to be useful to anybody due to so many variables; and that
is the b&w of what you are asking.
>>
>> Cardboard is your best friend (and a pencil and some basic map charting t
ools) ; draw your solution and proof it on paper first using a pencil and ci
rcles; i think thats how your passive pin system works? (See attached basic s
ketch)... its going to be a solution of two arcs; the swing of the door fram
e and shape of the pin and its parking gate. If you can get it to work with p
aper stencils then it will work in situ. CAD will not provide you any better
result or magic solution. All CAD will provide you is the ability to record
and replicate; that's the only magic CAD will ever provide anybody. Persona
lly from my quick sketch i don't think it is a practical solution but more o
f a band aid for a greater upstream affect; i could be totally wrong and oft
en am.
>>
>> The issue is not really safety related, which is my focus. It does hold s
ome aerodynamic qualities there, and the simple solution "is" strengthen the
door frame sufficiently at the time of production.
>>
>>
>>
>>
>> Read this topic online here:
>>
>> http://forums.matronics.com/viewtopic.php?p=509463#509463
>>
>>
>>
>>
>> Attachments:
>>
>> http://forums.matronics.com//files/eec4e83c_aec3_460b_9585_589875a3317f_2
05.jpeg
>>
>>
>>
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>
Message 3
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| Subject: | Re: N460HJ flies again |
Great news Will. Let us know how your new tank performs.
Chris
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=509467#509467
Message 4
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| Subject: | Re: Anti Door Warping |
Interesting thread.
My LongEZ has a simple scissor type with over-center locking bar to keep the canopy
open. In the LEZ case the latch only moves 90 were in ours it needs to go
180 but it should not be too hard to modify.
Simple and works well. The canopy doesn't slam down on your head as it happens
on my EU once in awhile (I actually taxy with the door partially closed held open
with a small foam block).
Chris
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=509469#509469
Attachments:
http://forums.matronics.com//files/img_1694_134.jpg
http://forums.matronics.com//files/img_1691_193.jpg
http://forums.matronics.com//files/img_1695_131.jpg
Message 5
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| Subject: | Re: Anti Door Warping |
The best and simplest solution ever for this type of hatch can be found on the
rear window of the Hillman Imp produced by Rootes Group Scotland 1961-1976; had
a few for 25 years and never had a failure.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=509474#509474
Message 6
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| Subject: | Re: Anti Door Warping |
> On 8 Dec 2022, at 21:04, Area-51 <goldsteinindustrial@gmail.com>
wrote:
<goldsteinindustrial@gmail.com>
>
> The best and simplest solution ever for this type of hatch can be
found on the rear window of the Hillman Imp produced by Rootes Group
Scotland 1961-1976; had a few for 25 years and never had a failure.
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=509474#509474
>
>
>
>
>
>
>
>
>
Message 7
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| Subject: | Re: Anti Door Warping |
Hi Group
Nev's solution with passive pins and CF reinforcement works great. I made cardboard
mock up and was able to get geometry spot on. Had packaging tape on fuse
and used JB KWIK Weld to temporarily hold in exact position. Then once bonded
in perfect position and all is working great we then drilled fuse for screws.
If alignment is not spot on friction is high and it doesn't work.
It's hard to get your head around the geometry, but once you do, it works great.
We did install over a decade ago and all is well. The pin and striker are made
out of SS.
My build partner Wayne was not convinced with my cardboard mock up. He called it
a muck up! It took him till after completion of pins and striker install and
actual fooling with to be convinced.
Ron P.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=509476#509476
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