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TruTrak Pitch servo installation

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AirMike

Joined: 27 Feb 2007
Posts: 514
Location: Nevada

Posted: Mon Oct 29, 2007 6:43 pm Post subject: TruTrak Pitch servo installation

I am having a problem with the install of the (what should be easy) TruTrak Pitch servo. The problem is that the Aluminum spacer that they include is too long. I only have about .28" of space between the bellcrank bracket and the MM-3-300 rod end bearing. The TruTrak Pitch servo plans call for a (supplied) .438" spacer in that space. If I put in that thick of a spacer the whole thing would be very cattywhompus and would stress the drive on the servo and the bearing on the bellcrank. (Yes, I did double check to see that I reinstalled the drive wheel properly)



If anyone has had the same issue please let me know. 



Also, as this has been an all day ordeal - calling Zach at Trutrak three times today, I intend to post installation instructions for the servo tomorrow.

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_________________
See you OSH '18
Q/B - sold.

Tim Olson

Joined: 25 Jan 2007
Posts: 2879

Posted: Tue Oct 30, 2007 7:41 pm Post subject: TruTrak Pitch servo installation

Do you have photos?  I'm wondering, are you talking about the system

that uses a roller wheel that runs over a cable inside an aluminum

channel?  It's a torque enhancing pitch mechanism?  I'm having better

luck with that one than the original pushrod-only one.



Tim Olson - RV-10 N104CD - Flying

do not archive

AirMike wrote:

 	  Quote: 	
		   

 

 I am having a problem with the install of the (what should be easy)

 TruTrak Pitch servo. The problem is that the Aluminum spacer that

 they include is too long. I only have about .28" of space between the

 bellcrank bracket and the MM-3-300 rod end bearing. The TruTrak Pitch

 servo plans call for a (supplied) .438" spacer in that space. If I

 put in that thick of a spacer the whole thing would be very

 cattywhompus and would stress the drive on the servo and the bearing

 on the bellcrank. (Yes, I did double check to see that I reinstalled

 the drive wheel properly)

 

 If anyone has had the same issue please let me know.

 

 Also, as this has been an all day ordeal - calling Zach at Trutrak

 three times today, I intend to post installation instructions for the

 servo tomorrow.

 

 -------- OSH '08 or Bust Q/B Kit - Doors/windows/uggg

 

 

 

 

 Read this topic online here:

 

 http://forums.matronics.com/viewtopic.php?p=142663#142663

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aarongleixner(at)sbcgloba
Guest

Posted: Thu Nov 01, 2007 4:50 pm Post subject: TruTrak Pitch servo installation

I installed my system last week (its the latest version with the wheel and cable), and had the exact same issue.  I just shortened the spacer to the length that made it work.  Let me know if I missed something.

   

  Aaron



AirMike <Mikeabel(at)Pacbell.net> wrote:

  [quote]--> RV10-List message posted by: "AirMike" 



I am having a problem with the install of the (what should be easy) TruTrak Pitch servo. The problem is that the Aluminum spacer that they include is too long. I only have about .28" of space between the bellcrank bracket and the MM-3-300 rod end bearing. The TruTrak Pitch servo plans call for a (supplied) .438" spacer in that space. If I put in that thick of a spacer the whole thing would be very cattywhompus and would stress the drive on the servo and the bearing on the [quote][b]

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dlm46007(at)cox.net
Guest

Posted: Thu Nov 01, 2007 6:17 pm Post subject: TruTrak Pitch servo installation

I haven't been following the TT pitch servo thread but  whatever you do make sure that the servo can not get into an over center lock. A  locked elevator means pruning of the gene pool.

   From: owner-rv10-list-server(at)matronics.com  [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of Aaron  Gleixner

Sent: Thursday, November 01, 2007 5:49 PM

To:  rv10-list(at)matronics.com

Subject: Re: TruTrak Pitch servo  installation

 I installed my system last week (its the latest version with the wheel and  cable), and had the exact same issue.  I just shortened the spacer to the  length that made it work.  Let me know if I missed something.

 Aaron

AirMike <Mikeabel(at)Pacbell.net>  wrote:

 [quote]-->    RV10-List message posted by: "AirMike" 

I am    having a problem with the install of the (what should be easy) TruTrak Pitch    servo. The problem is that the Aluminum spacer that they include is too long.    I only have about .28" of space between the bellcrank bracket and the MM-3-300    rod end bearing. The TruTrak Pitch servo plans call for a (supplied) .438"    spacer in that space. If I put in that thick of a spacer the whole thing would    be very cattywhompus and would stress the drive on the servo and the bearing    on the  	  Quote: 	

href="http://www.matronics.com/Navigator?RV10-List">http://www.matronics.com/Navigator?RV10-List

href="http://forums.matronics.com">http://forums.matronics.com

[b]

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acs(at)acspropeller.com.a
Guest

Posted: Thu Nov 01, 2007 8:47 pm Post subject: TruTrak Pitch servo installation

I had a look at my spacer on the servo last night and I would say it’s definitely closer to the .438” size rather than the .280” as Mike has described.  

All is square.  

I would check with TruTrak until they can identify to your satisfaction, what has changed.  

John 40315  

     

   

From: owner-rv10-list-server(at)matronics.com [mailto:owner-rv10-list-server(at)matronics.com] On Behalf Of Aaron Gleixner

 Sent: Friday, 2 November 2007 10:49 AM

 To: rv10-list(at)matronics.com

 Subject: Re: TruTrak Pitch servo installation  

  

     

I installed my system last week (its the latest version with the wheel and cable), and had the exact same issue.  I just shortened the spacer to the length that made it work.  Let me know if I missed something.  

    

   

    

Aaron

 

 AirMike <Mikeabel(at)Pacbell.net> wrote:  

  [quote]  

--> RV10-List message posted by: "AirMike" 

 

 I am having a problem with the install of the (what should be easy) TruTrak Pitch servo. The problem is that the Aluminum spacer that they include is too long. I only have about .28" of space between the bellcrank bracket and the MM-3-300 rod end bearing. The TruTrak Pitch servo plans call for a (supplied) .438" spacer in that space. If I put in that thick of a spacer the whole thing would be very cattywhompus and would stress the drive on the servo and the bearing on the    	  Quote: 	
		              - The RV10-List Email Forum ---> http://www.matronics.com/Navigator?RV10-List 	
0 	  Quote: 	
		   	
1 	  Quote: 	
		   	
2 	  Quote: 	
		   	
3 	  Quote: 	
		   	
4[b]

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