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Trim Tab drive pins

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creightonious

Joined: 10 Mar 2007
Posts: 40

Posted: Thu Aug 23, 2007 7:15 am Post subject: Trim Tab drive pins

Good morning all,

 We installed the larger/stronger mod of the TP16P  & TP16S drive pins (which doesn't seem to be listed in the current mods  list) per instructions and with just a few on/off cycles of the horizontal  stabilizers, each has cracked where the 3 layers bid wrap 90deg around the  front.

 This appears to be a result of the TS05 link rod  cocking upon removal and jamming the drive pins in the TS06 bushes (which  are a lovely fit) which results in a racking load jamming the drive  pins.

 Obviously we have to do this again (irritating as  the originals exhibited no such symptoms), but I must know if anyone else has  experienced this, and what the solution might be.  

 Stationing a second person at the tail to  ensure the link rod does not deviate from perpendicular to the drive pins while  the tailplanes are being pulled is obvious but a bit labor  intensive.

 Regards,

 Creighton Smith A036

   [quote][b]

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_________________
Creighton Smith
A 036

gcrowder2

Joined: 09 Jan 2006
Posts: 136
Location: Golden, Colorado USA

Posted: Thu Aug 23, 2007 8:43 am Post subject: Trim Tab drive pins

Sorry about your difficulties Creighton.  I have the larger pins as Mod 58 but haven't

 done the install yet as there has been no visible cracking on the original pins.  Somehow

 Mod 58 disappeared from the Europa 2004 mod list.  I wonder if they decided it was

 unnecessary or if was just an accidental deletion.

  

                                            Glenn

  

   From: crouton(at)well.com

To: europa-list(at)matronics.com

Subject: Europa-List: Trim Tab drive pins

Date: Thu, 23 Aug 2007 11:12:38 -0400



    

  	  Quote: 	
		   Good morning all,

 We installed the larger/stronger mod of the TP16P & TP16S drive pins (which doesn't seem to be listed in the current mods list) per instructions and with just a few on/off cycles of the horizontal stabilizers, each has cracked where the 3 layers bid wrap 90deg around the front.

 This appears to be a result of the TS05 link rod cocking upon removal and jamming the drive pins in the TS06 bushes (which are a lovely fit) which results in a racking load jamming the drive pins.

 Obviously we have to do this again (irritating as the originals exhibited no such symptoms), but I must know if anyone else has experienced this, and what the solution might be.  

 Stationing a second person at the tail to ensure the link rod does not deviate from perpendicular to the drive pins while the tailplanes are being pulled is obvious but a bit labor intensive.

 Regards,

 Creighton Smith A036

 	  Quote: 	
		  



arget=_blank>http://www.matronics.com/Navigator?Europa-List

p://forums.matronics.com



	
	
New home for Mom, no cleanup required. All starts here.  [quote][b]

- 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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hurstkr(at)redzone.com.au
Guest

Posted: Thu Aug 23, 2007 8:33 pm Post subject: Trim Tab drive pins

Creighton

  

 Do you have a couple of pieces of plywood (or similar) inside the rear of  the fuse just ahead of the "T" bar slot to limit the sideways movement of the  "T" bar on assembly and disassembly of the tailplanes ?  The two guides  should have minimum gap between them but still be wide enough to allow full and  free movement of the 'T' bar throughout full deflection of the  tailplanes.

  

 I don't remember this ever being a mod but was certainly a recommended  suggestion.  I'm sure it will save your having to employ a second person as  you suggested below.

  

 Regards

 Kingsley in Oz.

  

  

 

 --

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hurstkr(at)redzone.com.au
Guest

Posted: Fri Aug 24, 2007 2:38 am Post subject: Trim Tab drive pins

Jeremy,

  

  > Not  a mod – a requirement in the build manual!  



  

 It may be a requirement in the later  build manuals but I'm sure it is not in my Classic manual.  I think I  remember seeing it mentioned in some Tech Talk article yonks ago.

  

 Irrespective, it seems Creighton may not  have it installed which is the crux of the point I was trying to  make.

  

 Regards

 Kingsley

  

 do not archive

   [quote][b]

- 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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