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willydewey
Joined: 24 Sep 2014
Posts: 53
Location: Guildford Surrey United Kingdom
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 Posted: Tue Jul 12, 2016 1:58 am Post subject: Torque Tube enhancement after 400 hours |
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Has anyone carried out the LAA requirement to beef up the torque tube/ mass balance horn connection by using Loctite 603 only to find it has to be done again a couple of years later? I am well within limits with free play in the elevators measuring approx 0.2 inches which I anticipate was always there. Its a pig of a job cleaning and reapplying the Loctite so any thoughts on this subject?
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Scudrunner
Joined: 31 Aug 2012
Posts: 26
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| Posted: Tue Jul 12, 2016 5:09 am Post subject: Re: Torque Tube enhancement after 400 hours |
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I'm also interested in views on this topic as I had to redo mine at my most recent annual. My inspector recommended thorough degreasing and applying the Loctite from the outside, not inside as in the original service bulletin
| | - The Matronics Europa-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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fireflier
Joined: 24 Jun 2012
Posts: 58
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| Posted: Tue Jul 12, 2016 11:33 am Post subject: Torque Tube enhancement after 400 hours |
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Hi
I incorporated a mod whilst building. I felt this was the best solution to the problem.
This mod has just been incorporated into another europa I'm helping build.
See attached link to the mod.
http://www.theeuropaclub.org/wp-content/uploads/2011/12/11969-TTpins.pdf
Hope this information is useful? It has been flying in my aircraft for the last 2 years and no problems with it so far.
Kind regards
Donald
G-PUPY
Sent from my iPhone
| Quote: | On 12 Jul 2016, at 14:09, Scudrunner <howardbrooksster(at)gmail.com> wrote:
I'm also interested in views on this topic as I had to redo mine at my most recent annual. My inspector recommended thorough degreasing and applying the Loctite from the outside, not inside as in the original service bulletin
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=458110#458110
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| | - The Matronics Europa-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?Europa-List |
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GBWFH2010
Joined: 31 Jul 2011
Posts: 38
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| Posted: Wed Jul 13, 2016 12:32 am Post subject: Re: Torque Tube enhancement after 400 hours |
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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.
| | - The Matronics Europa-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?Europa-List |
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Gordon Grant
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kjburns(at)btinternet.com
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| Posted: Wed Jul 13, 2016 12:59 am Post subject: Torque Tube enhancement after 400 hours |
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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
| Quote: | On 13 Jul 2016, at 10:32, GBWFH2010 <gaxuk2001(at)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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| | - The Matronics Europa-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?Europa-List |
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Duncan McFadyean
Joined: 18 Jan 2011
Posts: 219
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| Posted: Wed Jul 13, 2016 11:09 am Post subject: Torque Tube enhancement after 400 hours |
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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.
| Quote: | ----Original Message----
From: kjburns(at)btinternet.com
Date: 13/07/2016 09:58
To: "europa-list(at)matronics.com"<europa-list(at)matronics.com>
Subj: Re: Re: Torque Tube enhancement after 400 hours
--> Europa-List message posted by: kjburns(at)btinternet.com
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
| Quote: | On 13 Jul 2016, at 10:32, GBWFH2010 <gaxuk2001(at)gmail.com> wrote:
--> Europa-List message posted by: "GBWFH2010" <gaxuk2001(at)gmail.com>
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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| | - The Matronics Europa-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?Europa-List |
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wdaniell.longport(at)gmai
Guest
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| Posted: Thu Jul 14, 2016 4:52 am Post subject: Torque Tube enhancement after 400 hours |
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I used bolt and half moon shaped inserts inside the tube to bolt everything together. I got the idea from someone else I forget who I think Remo.
On a recent visit to Bud, he mentioned a much simpler method - an aluminium tube with nut plates. He said the strength of the material is irrelevant because it only serves to hold the nut plates. This is much more elegant and easier solution that the half moon inserts which are tricky to put in.
Will
William Daniell
LONGPORT
+57 310 295 0744
On Wed, Jul 13, 2016 at 2:06 PM, ami-mcfadyean(at)talktalk.net (ami-mcfadyean(at)talktalk.net) <ami-mcfadyean(at)talktalk.net (ami-mcfadyean(at)talktalk.net)> wrote:
| Quote: |
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.
| Quote: | ----Original Message----
From: kjburns(at)btinternet.com (kjburns(at)btinternet.com)
Date: 13/07/2016 09:58
To: "europa-list(at)matronics.com (europa-list(at)matronics.com)"<europa-list(at)matronics.com (europa-list(at)matronics.com)>
Subj: Re: Europa-List: Re: Torque Tube enhancement after 400 hours
--> Europa-List message posted by: kjburns(at)btinternet.com (kjburns(at)btinternet.com)
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
| Quote: | On 13 Jul 2016, at 10:32, GBWFH2010 <gaxuk2001(at)gmail.com (gaxuk2001(at)gmail.com)> wrote:
--> Europa-List message posted by: "GBWFH2010" <gaxuk2001(at)gmail.com (gaxuk2001(at)gmail.com)>
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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| | - The Matronics Europa-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?Europa-List |
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willydewey
Joined: 24 Sep 2014
Posts: 53
Location: Guildford Surrey United Kingdom
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| Posted: Fri Jul 15, 2016 8:45 am Post subject: Re: Torque Tube enhancement after 400 hours |
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Hi Guys one and all
Thanks for your respose
My LAA permit is imminent so taking all things in to account I will try the approved Loctite method and seek a more permanent solution (as described) during the Winter months. Its nice that the Forum helps to clear one mind as to the best thing to do
One again Thanks
Bill Dewey G-IANI
For the members in the UK Ian Rickards is much improved after his Stroke (seizure) and can now hold a slow conversation His speech therapist has worked wonders with the help from Irene so its all very positive.
| | - The Matronics Europa-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?Europa-List |
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Roland
Joined: 30 Nov 2009
Posts: 334
Location: EDLE
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| Posted: Sun Jul 17, 2016 10:47 pm Post subject: Re: Torque Tube enhancement after 400 hours |
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I'm very glad to hear, that Ian is still recovering after the stroke. His advice, help and hospitality was much appreciated, when I bought my Europa in the UK back in 2011.
I'm looking forward to meeting him and Irene on one of the next Europa gatherings in the UK!
Roland
PH-ZTI
XS TG 914
| | - The Matronics Europa-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?Europa-List |
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