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Request for information - play in tailplane drive - Loctite

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topglock(at)cox.net
Guest

Posted: Tue Jul 31, 2007 12:56 pm Post subject: Request for information - play in tailplane drive - Loctite

Roger,

 

 When I did my annual, this month, I found a quarter inch slop in the starboard tailplane.  Not wanting to rip everything apart, I decided to use the Loc-tite method.  What I did was to spray out the parts with automotive choke cleaner, being careful not to get any on the paint.  Then I blew it out with compressed air and allowed it to air dry for a hour or two.  I then started saturating the joint with Permatex's version of 603.  It's the wicking type (green) found in most automotive parts stores.  After I was satisfied that I'd gotten as much in as I possibly could, I let it set for 24 hours.  Checking the joint by twisting as hard as I could, nothing moved.  I've got 6+ hours on the repair with probably 10 landings and no movement at all.  I check the tailplanes every time I do pre and post flights.  They are tight - no movement.  My bird is a tri-gear with steel spring front suspension.  Flights have included 45-50 degree turns and other 2+ G maneuvers...

 

 Hope this helps,

 Jeff - Baby Blue

 306 hrs

 

 Roger Bull wrote: [quote]          st1\:* { 	BEHAVIOR: url(#default#ieooui) }  <![endif]-->   (at)font-face { 	font-family: Book Antiqua; } (at)page Section1 {size: 21.0cm 842.0pt; margin: 70.9pt 53.85pt 70.9pt 53.85pt; } P.MsoNormal { 	FONT-SIZE: 11pt; MARGIN: 0cm 0cm 0pt; FONT-FAMILY: "Book Antiqua" } LI.MsoNormal { 	FONT-SIZE: 11pt; MARGIN: 0cm 0cm 0pt; FONT-FAMILY: "Book Antiqua" } DIV.MsoNormal { 	FONT-SIZE: 11pt; MARGIN: 0cm 0cm 0pt; FONT-FAMILY: "Book Antiqua" } A:link { 	COLOR: blue; TEXT-DECORATION: underline } SPAN.MsoHyperlink { 	COLOR: blue; TEXT-DECORATION: underline } A:visited { 	COLOR: purple; TEXT-DECORATION: underline } SPAN.MsoHyperlinkFollowed { 	COLOR: purple; TEXT-DECORATION: underline } SPAN.EmailStyle17 { 	FONT-WEIGHT: normal; COLOR: windowtext; FONT-STYLE: normal; FONT-FAMILY: "Book Antiqua"; TEXT-DECORATION: none; mso-style-type: personal-compose } DIV.Section1 { 	page: Section1 }       

    	  Quote: 	
		        

     As part of the ongoing investigation into play in the tailplane drive line, we at E04 have carried out testing on a sample torque tube and TP9, using Loctite.  We tested 638 and 603; in each of 3 cases the TP9 buckled but the Loctite held.

      

     To enable us to extend the work we should be most grateful if those builders who have used Loctite in this application would let me know how many hours they have flown since applying the Loctite, and if there had ever been any breakdown of the bond.   If possible it would also be helpful to know how many landings since the application.

      

     Please send any replies to my work e-mail roger(at)europa-aircraft.com (roger(at)europa-aircraft.com)

      

     Many thsnks.

      

     Roger

   





  	
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bill.sue(at)orcon.net.nz
Guest

Posted: Tue Jul 31, 2007 4:16 pm Post subject: Request for information - play in tailplane drive - Loctite

Mine has flown approx 500hrs and in excess of 500 landings (equivalent 

take-offs also) with loctite.



There has been no breakdown of the bond and the whole system is 100% 

tight with no movement.



Mono XS

914/Airmaster



Sue & Bill



Roger Bull wrote:

 	  Quote: 	
		    



      

     *As part of the ongoing investigation into play in the tailplane

     drive line, we at E04 have carried out testing on a sample torque

     tube and TP9, using Loctite.  We tested 638 and 603; in each of 3

     cases the TP9 buckled but the Loctite held.*

     ** 

     *To enable us to extend the work we should be most grateful if

     those builders who have used Loctite in this application would let

     me know how many hours they have flown since applying the Loctite,

     and if there had ever been any breakdown of the bond.   If

     possible it would also be helpful to know how many landings since

     the application.*

     ** 

     *Please send any replies to my work e-mail

     roger(at)europa-aircraft.com <mailto:roger(at)europa-aircraft.com>*

     ** 

     *Many thsnks.*

     ** 

     *Roger*



 *

 *

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