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electric trim conversion docs??

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ceengland(at)bellsouth.ne
Guest

Posted: Thu Nov 24, 2011 5:42 pm Post subject: electric trim conversion docs??

Anyone have pictures or documents         on converting one of the older (-4, -6) elevators to electric         trim?

         

         I'm contemplating the change on my flying -4 & I'm wondering         how much of a hassle it will be to modify the elevator. The         elevator is already off the plane for another issue, so the 1st         step is already done. 

         

         I'm aware of the need to re-balance; I'm more interested in         whether I'll need to remove the stiffeners around the current         manual trim, & how much structure needs to be fabbed &         added for the trim motor.

         

         Thanks,

         

         Charlie

             [quote][b]

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denis.walsh(at)comcast.ne
Guest

Posted: Thu Nov 24, 2011 6:12 pm Post subject: electric trim conversion docs??

Charlie, Warren GREtz used to sell a conversion kit.  I don't see it on his site and furthermore his site seems defunct.



However as I remember it, it was very simple and didn't require any rebalance at all.  He simply mounted the servo motor on the stabilizer deck and used a short flexible link to the old trim tab.  I can't remember what the link was perhaps a bowden cable?  Hopefully someone will remember.

I liked it better than the old Van's system which had the servo mounted in the elevator (mine is such in an RV 6A).

 Denis Walsh

denis.walsh(at)comcast.net (denis.walsh(at)comcast.net)

 

 

On Nov 24, 2011, at 6:37 , Charlie England wrote:

[quote]                     Anyone have pictures or documents         on converting one of the older (-4, -6) elevators to electric         trim?

         

         I'm contemplating the change on my flying -4 & I'm wondering         how much of a hassle it will be to modify the elevator. The         elevator is already off the plane for another issue, so the 1st         step is already done. 

         

         I'm aware of the need to re-balance; I'm more interested in         whether I'll need to remove the stiffeners around the current         manual trim, & how much structure needs to be fabbed &         added for the trim motor.

         

         Thanks,

         

         Charlie

              	  Quote: 	
		  

	


[b]

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Matt Dralle
Site Admin

Joined: 08 Nov 2005
Posts: 25858
Location: Livermore CA USA

Posted: Thu Nov 24, 2011 6:46 pm Post subject: electric trim conversion docs??

At 06:09 PM 11/24/2011  Thursday, you wrote:

 	  Quote: 	
		  >Anyone have pictures or documents on converting one of the older (-4, -6) elevators to electric trim?

>

>I'm contemplating the change on my flying -4 & I'm wondering how much of a hassle it will be to modify the elevator. The elevator is already off the plane for another issue, so the 1st step is already done. 

>

>I'm aware of the need to re-balance; I'm more interested in whether I'll need to remove the stiffeners around the current manual trim, & how much structure needs to be fabbed & added for the trim motor.

>

>Thanks,

>

>Charlie

Hi Charlie,

I just did this very thing on my circa 1994 RV-6, The Flyer.  I installed a servo under the fin and ran a short, standard green control cable to the original trim tab and horn.  Works GREAT!  Attached are some pictures of the retrofit.

Matt

-

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Matt Dralle
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ceengland(at)bellsouth.ne
Guest

Posted: Thu Nov 24, 2011 9:03 pm Post subject: electric trim conversion docs??

On 11/24/2011 08:43 PM, Matt Dralle wrote:

 	  Quote: 	
		   At 06:09 PM 11/24/2011  Thursday, you wrote:

>> Anyone have pictures or documents on converting one of the older (-4, -6) elevators to electric trim?

>>

>> I'm contemplating the change on my flying -4&  I'm wondering how much of a hassle it will be to modify the elevator. The elevator is already off the plane for another issue, so the 1st step is already done.

>>

>> I'm aware of the need to re-balance; I'm more interested in whether I'll need to remove the stiffeners around the current manual trim,&  how much structure needs to be fabbed&  added for the trim motor.

>>

>> Thanks,

>>

>> Charlie

 Hi Charlie,

 I just did this very thing on my circa 1994 RV-6, The Flyer.  I installed a servo under the fin and ran a short, standard green control cable to the original trim tab and horn.  Works GREAT!  Attached are some pictures of the retrofit.

 Matt

 -

 Matt "Red Dawg" Dralle

Thanks Matt; the trim tab end remains as Van designed it? Do you recall 

where you got the short control cable?

Thanks,

Charlie

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at6c(at)bellsouth.net
Guest

Posted: Fri Nov 25, 2011 5:42 am Post subject: electric trim conversion docs??

Charlie,

     Come down and look at mine.  Unless your elevator is really     different it should be a "relatively" simple conversion.   The servo     is so light that balance of the elevator my not be effected.

     George

     

     On 11/24/2011 7:37 PM, Charlie England wrote:     [quote]              Anyone have pictures or           documents on converting one of the older (-4, -6) elevators to           electric trim?

           

           I'm contemplating the change on my flying -4 & I'm           wondering how much of a hassle it will be to modify the           elevator. The elevator is already off the plane for another           issue, so the 1st step is already done. 

           

           I'm aware of the need to re-balance; I'm more interested in           whether I'll need to remove the stiffeners around the current           manual trim, & how much structure needs to be fabbed &           added for the trim motor.

           

           Thanks,

           

           Charlie

                 	  Quote: 	
		  

	
     [b]

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ceengland(at)bellsouth.ne
Guest

Posted: Fri Nov 25, 2011 6:47 am Post subject: electric trim conversion docs??

Thanks; I'll give you a call.

     

     On 11/25/2011 07:39 AM, George Steube wrote:     [quote]              Charlie,

       Come down and look at mine.  Unless your elevator is really       different it should be a "relatively" simple conversion.   The       servo is so light that balance of the elevator my not be effected.

       George

       

       On 11/24/2011 7:37 PM, Charlie England wrote:        	  Quote: 	
		                    Anyone have pictures or             documents on converting one of the older (-4, -6) elevators             to electric trim?

             

             I'm contemplating the change on my flying -4 & I'm             wondering how much of a hassle it will be to modify the             elevator. The elevator is already off the plane for another             issue, so the 1st step is already done. 

             

             I'm aware of the need to re-balance; I'm more interested in             whether I'll need to remove the stiffeners around the             current manual trim, & how much structure needs to be             fabbed & added for the trim motor.

             

             Thanks,

             

             Charlie

       	
     [b]

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