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Outrigger Pivot Bearing Mod

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air.guerner(at)wanadoo.fr
Guest

Posted: Thu Nov 09, 2006 10:25 am Post subject: Outrigger Pivot Bearing Mod

Hi Nigel,<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /> 

  

I am thinking at doing the same mod to the control stick pivots, as the play in those pivots is becoming unacceptable. 

What do you think of that? Any body has done it? 

  

Regards 

  

Remi Guerner 

  

F-PGKL, XS S/N395 monowheel,  912S,  Airmaster, 436 hours   

  

  

As the designer of this mod I have a few timely comments.



First of all we are looking at updating this mod. The reason is that

even using 4130 steel tube for the inner tubing it has a tendency to

distort crating drag on the outer tube and causing the pivot to revert

to the original arrangement. The future version will use an AN5 bolt

instead of the AN4 bolt and inner tube. The bolt will be prevented from

rotating by locating the head in a V shaped recess in a plate riveted on

the outside of the side plate. An AN5 castellation nut will be used to

retain the bolt. For UK builders the original prototype version of this 

 

   [quote][b]

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nwcmc(at)tiscali.co.uk
Guest

Posted: Fri Nov 10, 2006 3:31 am Post subject: Outrigger Pivot Bearing Mod

The loads are nowhere near as bad for the sticks as the outriggers and this is the first I have heard of wear in the stick pivots. Are you certain it is the pivots and not elsewhere in the flying control system? Is this in the pitch axis?  

   

Nigel  

   

-----Original Message-----

 From: owner-europa-list-server(at)matronics.com [mailto:owner-europa-list-server(at)matronics.com] On Behalf Of Rémi Guerner

 Sent: 09 November 2006 18:23

 To: europa-list(at)matronics.com

 Subject: Outrigger Pivot Bearing Mod  

   

Hi Nigel,  

   

I am thinking at doing the same mod to the control stick pivots, as the play in those pivots is becoming unacceptable.  

What do you think of that? Any body has done it?  

   

Regards  

   

Remi Guerner  

   

F-PGKL, XS S/N395 monowheel,  912S,  Airmaster, 436 hours    

   

   

As the designer of this mod I have a few timely comments.

 

 First of all we are looking at updating this mod. The reason is that

 even using 4130 steel tube for the inner tubing it has a tendency to

 distort crating drag on the outer tube and causing the pivot to revert

 to the original arrangement. The future version will use an AN5 bolt

 instead of the AN4 bolt and inner tube. The bolt will be prevented from

 rotating by locating the head in a V shaped recess in a plate riveted on

 the outside of the side plate. An AN5 castellation nut will be used to

 retain the bolt. For UK builders the original prototype version of this  

   

   [quote]         -- Please Support Your Lists This Month --           (And Get Some AWESOME FREE Gifts!)   November is the Annual List Fund Raiser.  Click on   the Contribution link below to find out more about   this year's Terrific Free Incentive Gifts provided   by:     * AeroElectric www.aeroelectric.com     * The Builder's Bookstore www.buildersbooks.com     * Aeroware Enterprises www.kitlog.com     * HomebuiltHELP www.homebuilthelp.com   List Contribution Web Site   --> http://www.matronics.com/Navigator?Europa-List [b]

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pjeffers(at)talktalk.net
Guest

Posted: Fri Nov 10, 2006 4:35 am Post subject: Outrigger Pivot Bearing Mod

Nigel,  

   

I have seen progressively more and more cases of wear in this area.  None I have so far grounded for this reason, but a similar mod to the out rigger one will probably be useful some time in the future.  

   

Pete Jeffers  

         

  

From: owner-europa-list-server(at)matronics.com [mailto:owner-europa-list-server(at)matronics.com] On Behalf Of nigel charles

 Sent: 10 November 2006 11:29

 To: europa-list(at)matronics.com

 Subject: RE: Europa-List: Outrigger Pivot Bearing Mod  

  

   

The loads are nowhere near as bad for the sticks as the outriggers and this is the first I have heard of wear in the stick pivots. Are you certain it is the pivots and not elsewhere in the flying control system? Is this in the pitch axis?  

   

Nigel  

   

--

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karelvranken(at)hotmail.c
Guest

Posted: Fri Nov 10, 2006 1:19 pm Post subject: Outrigger Pivot Bearing Mod

Nigel,

 I can not talk of wear on the stick pivots since I  have only 15 hours, but I was badly surprised by the play on the stick back- and  forwards. So no play came from the ailerons. When holding the elevator  neutral than you can hear a tack tack between your feet by moving the stick back  and forwards. There are two pivots: one on the CSO2 and one through the stick  and pushrod underneath. As well on starbord side. Until now I hadn't the time  for more investigation. Perhaps is this a comparable problem with that of Remi  Guerner? Isn't he talking about play rather than wear?

 Best regards,

 Karel Vranken  # 447 monowheel F-PKRL Rotax  912ULS Airmaster AN332 with AC200.

 [quote]   ---

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s.vestuti(at)virgin.net
Guest

Posted: Fri Nov 10, 2006 3:07 pm Post subject: Outrigger Pivot Bearing Mod

Hi, i would be interested in any mod for the control stick pitch Clonking 

which from my investigation at the construction stage seemed to be 

at the phosfor bronze bearings for pitch at the stick base (on both sticks)

zero hours with AC completed and at the weight and balance stage,



thanks, steve vestuti #573 Trigear.

Visit -  www.EuropaOwners.org

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ptag.dev(at)tiscali.co.uk
Guest

Posted: Fri Nov 10, 2006 4:14 pm Post subject: Outrigger Pivot Bearing Mod

Hi! Karel  

Have you checked it isn’t the stabilator drive bushes causing differential slop which you can feel down the stick?  

The bushes at the bottom of the stick were tufnol and factory produced. Some became tight on fixing of the cockpit module as indeed mine did and needed freeing off with “brasso” so I’d be very surprised if you have wear there?  Could be a loose or collapsed connector? Needs identifying before flight.  

I have no clonks or likes anywhere in my control chain at 600 hours.  

Regards  

Bob Harrison G-PTAG   

   

-----Original Message-----

 From: owner-europa-list-server(at)matronics.com [mailto:owner-europa-list-server(at)matronics.com] On Behalf Of karelvranken

 Sent: 10  November 2006 21:25

 To: europa-list(at)matronics.com

 Subject: Re: Europa-List: Outrigger Pivot Bearing Mod  

     

Nigel,  

    

I can not talk of wear on the stick pivots since I have only 15 hours, but I was badly surprised by the play on the stick back- and forwards. So no play came from the ailerons. When holding the elevator neutral than you can hear a tack tack between your feet by moving the stick back and forwards. There are two pivots: one on the CSO2 and one through the stick and pushrod underneath. As well on starbord side. Until now I hadn't the time for more investigation. Perhaps is this a comparable problem with that of Remi Guerner? Isn't he talking about play rather than wear?  

    

Best regards,  

    

Karel Vranken  # 447 monowheel F-PKRL Rotax 912ULS Airmaster AN332 with AC200.  

  [quote]    

---

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nwcmc(at)tiscali.co.uk
Guest

Posted: Sat Nov 11, 2006 7:42 am Post subject: Outrigger Pivot Bearing Mod

This sounds a good idea. If someone wishes to replicate the outrigger mod on the sticks, that is OK with me. It just needs agreeing with Andy Draper. If written up appropriately it could become another standard mod.  

   

Nigel  

   

-----Original Message-----

 From: owner-europa-list-server(at)matronics.com [mailto:owner-europa-list-server(at)matronics.com] On Behalf Of Pete Jeffers

 Sent: 10 November 2006 12:33

 To: europa-list(at)matronics.com

 Subject: RE: Europa-List: Outrigger Pivot Bearing Mod  

   

Nigel,  

   

I have seen progressively more and more cases of wear in this area.  None I have so far grounded for this reason, but a similar mod to the out rigger one will probably be useful some time in the future.  

   

Pete Jeffers  

         

  

From: owner-europa-list-server(at)matronics.com [mailto:owner-europa-list-server(at)matronics.com] On Behalf Of nigel charles

 Sent: 10 November 2006 11:29

 To: europa-list(at)matronics.com

 Subject: RE: Europa-List: Outrigger Pivot Bearing Mod  

  

   

The loads are nowhere near as bad for the sticks as the outriggers and this is the first I have heard of wear in the stick pivots. Are you certain it is the pivots and not elsewhere in the flying control system? Is this in the pitch axis?  

   

Nigel  

   

-----Original Message-----

 From: owner-europa-list-server(at)matronics.com [mailto:owner-europa-list-server(at)matronics.com] On Behalf Of Rémi Guerner

 Sent: 09 November 2006 18:23

 To: europa-list(at)matronics.com

 Subject: Outrigger Pivot Bearing Mod  

   

Hi Nigel,  

   

I am thinking at doing the same mod to the control stick pivots, as the play in those pivots is becoming unacceptable.  

What do you think of that? Any body has done it?  

   

Regards  

   

Remi Guerner  

   

F-PGKL, XS S/N395 monowheel,  912S,  Airmaster, 436 hours    

   

   

As the designer of this mod I have a few timely comments.

 

 First of all we are looking at updating this mod. The reason is that

 even using 4130 steel tube for the inner tubing it has a tendency to

 distort crating drag on the outer tube and causing the pivot to revert

 to the original arrangement. The future version will use an AN5 bolt

 instead of the AN4 bolt and inner tube. The bolt will be prevented from

 rotating by locating the head in a V shaped recess in a plate riveted on

 the outside of the side plate. An AN5 castellation nut will be used to

 retain the bolt. For UK builders the original prototype version of this  

   

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        [quote][b]

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air.guerner(at)wanadoo.fr
Guest

Posted: Sat Nov 11, 2006 1:00 pm Post subject: Outrigger Pivot Bearing Mod

Nigel,<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /> 

I am positive the play is in the stick pivots, mainly in roll but also in pitch. Most Europas I know  have the same problem.  Some of them are almost new â€“ refer to Karelâ€™s comment.    

Remi  

  

  

  

The loads are nowhere near as bad for the sticks as the outriggers and 

this

is the first I have heard of wear in the stick pivots. Are you certain 

it is

the pivots and not elsewhere in the flying control system? Is this in 

the

pitch axis?

Nigel

--

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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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karelvranken(at)hotmail.c
Guest

Posted: Sat Nov 11, 2006 3:17 pm Post subject: Outrigger Pivot Bearing Mod

Hi Bob,

 Did you read the mail of Steve Vestuti? The  clonking sit not in the tail. That's another story of pro and contra taper pins.  There I found a little play on starboard side. Not enough to postpone my first  flight. The winter is long and will bring solutions for every problem. And see,  I know of your particular solution. Maybe after consulting the forum the verdict  will be easy....or not?

 Karel Vranken.

 [quote]   ---

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