Today's Message Index:
----------------------
1. 01:34 AM - Re: Torque Tube enhancement after 400 hours (GBWFH2010)
2. 01:59 AM - Re: Re: Torque Tube enhancement after 400 hours (kjburns@btinternet.com)
3. 12:09 PM - Re: Re: Torque Tube enhancement after 400 hours (ami-mcfadyean@talktalk.net)
Message 1
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| Subject: | Re: Torque Tube enhancement after 400 hours |
I had the same problem after doing the Loctite 'mod' and had slightly more movement
than your tailplane (after 300 hours). My inspector took advice from the
LAA who stated remedial action had to be taken prior to Permit renewal.
I decided I could not keep going trough this hassle so took the decision to do
one of the torque tube clamping mods. I chose the one offered by Pat Tunney,
whose help and assistance was superb, but I think Bob Harrison has also designed
a very good mod. It was a swine of a job to do but I am really pleased with
the results and after 200 hours there is no sign of any movement.
Hope this helps.
--------
Gordon Grant
G-BWFH
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=458119#458119
Message 2
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| Subject: | Re: Torque Tube enhancement after 400 hours |
When building the torque tube up the ream the holes to interference fit ... Or
you will get movement .
There is an oversize limit to how big you can take the pins if you get it wrong
, but custom pins can be oversized (only up to that limit )to save your bacon,
any movement built in will increases in service .
300 +hours on reamed / custom pins and no play ....advice taken from Andy Draper
UK laa /one of the original Europa production engineers.
Regards
Kevin
Sent from my iPhone
> On 13 Jul 2016, at 10:32, GBWFH2010 <gaxuk2001@gmail.com> wrote:
>
>
> I had the same problem after doing the Loctite 'mod' and had slightly more movement
than your tailplane (after 300 hours). My inspector took advice from the
LAA who stated remedial action had to be taken prior to Permit renewal.
>
> I decided I could not keep going trough this hassle so took the decision to do
one of the torque tube clamping mods. I chose the one offered by Pat Tunney,
whose help and assistance was superb, but I think Bob Harrison has also designed
a very good mod. It was a swine of a job to do but I am really pleased with
the results and after 200 hours there is no sign of any movement.
>
> Hope this helps.
>
> --------
> Gordon Grant
>
> G-BWFH
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=458119#458119
>
>
>
>
>
>
>
>
>
>
Message 3
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| Subject: | Re: Torque Tube enhancement after 400 hours |
Same method (interference fit of the Factory oversize pins) worked for me too.
About 500hours now since it was done. My Permit Inspector thinks there's a little
within-tolerance play, but actually that's the small clearance in the torque
tube bearings; I'd rather those bearings had some clearance than being tight,
which they can be if not concentrically aligned.
Duncan McF.
----Original Message----
From: kjburns@btinternet.com
Subj: Re: Europa-List: Re: Torque Tube enhancement after 400 hours
When building the torque tube up the ream the holes to interference fit ... Or
you will get movement .
There is an oversize limit to how big you can take the pins if you get it wrong
, but custom pins can be oversized (only up to that limit )to save your bacon,
any movement built in will increases in service .
300 +hours on reamed / custom pins and no play ....advice taken from Andy Draper
UK laa /one of the original Europa production engineers.
Regards
Kevin
Sent from my iPhone
> On 13 Jul 2016, at 10:32, GBWFH2010 <gaxuk2001@gmail.com> wrote:
>
>
> I had the same problem after doing the Loctite 'mod' and had slightly more movement
than your tailplane (after 300 hours). My inspector took advice from the
LAA who stated remedial action had to be taken prior to Permit renewal.
>
> I decided I could not keep going trough this hassle so took the decision to do
one of the torque tube clamping mods. I chose the one offered by Pat Tunney,
whose help and assistance was superb, but I think Bob Harrison has also designed
a very good mod. It was a swine of a job to do but I am really pleased with
the results and after 200 hours there is no sign of any movement.
>
> Hope this helps.
>
> --------
> Gordon Grant
>
> G-BWFH
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=458119#458119
>
>
>
>
>
>
>
>
>
>
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