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Aileron Rigging

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rleffler

Joined: 05 Nov 2006
Posts: 680

Posted: Thu Jun 09, 2011 6:44 am Post subject: Aileron Rigging

I've been working on my aileron and flap rigging the past couple of days. I'm still not finished, but I thought I would solicit some opinions on the best methods to finish the rigging.



Here's my data:



Aileron		Up	Down

Max Travel		32	17

Min Travel		25	15

Right		29.7	17.3

Left		28.7	16.9



Flaps are up and flush with the bottom of the fuselage.  Ailerons are flush with the flaps in the neutral position.  There is about a .4 degree variance between the two flaps.  I'm slightly over the limits on the right aileron at the moment.  While the trailing edge of the left flap and aileron are flush, I still have the right aileron about 1/8" shorter than the flap trailing edge.



My question is how far to chase these specs down?  Clearly have have to get them within the published specs, but what's the impact if they are within specs but may not be symmetrical?  I'm guessing that the roll rate may be slightly different depending on the direction of turn.



On the trailing edge differences, I guess the best method is to disconnect the flap and see what angle do they match.



Any tips on getting these rigged a little closer together would be appreciated.



thanks,



bob

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_________________
Bob Leffler
N410BL - Phase I
http://mykitlog.com/rleffler

n223rv(at)wolflakeairport
Guest

Posted: Thu Jun 09, 2011 8:19 am Post subject: Aileron Rigging

Another thing you will notice is that if the control stick is full forward vs full back, the ailerons will move some.  I aligned mine at neutral elevator.



Sent from my iPhone



On Jun 9, 2011, at 10:44 AM, "rleffler" <rv(at)thelefflers.com> wrote:



 	  Quote: 	
		   

 

 I've been working on my aileron and flap rigging the past couple of days. I'm still not finished, but I thought I would solicit some opinions on the best methods to finish the rigging.

 

 Here's my data:

 

 Aileron        Up    Down

 Max Travel        32    17

 Min Travel        25    15

 Right        29.7    17.3

 Left        28.7    16.9

 

 Flaps are up and flush with the bottom of the fuselage.  Ailerons are flush with the flaps in the neutral position.  There is about a .4 degree variance between the two flaps.  I'm slightly over the limits on the right aileron at the moment.  While the trailing edge of the left flap and aileron are flush, I still have the right aileron about 1/8" shorter than the flap trailing edge.

 

 My question is how far to chase these specs down?  Clearly have have to get them within the published specs, but what's the impact if they are within specs but may not be symmetrical?  I'm guessing that the roll rate may be slightly different depending on the direction of turn.

 

 On the trailing edge differences, I guess the best method is to disconnect the flap and see what angle do they match.

 

 Any tips on getting these rigged a little closer together would be appreciated.

 

 thanks,

 

 bob

 

 --------

 Bob Leffler

 N410BL - FWF

 RV-10 #40684

 http://mykitlog.com/rleffler

 

 

 

 

 Read this topic online here:

 

 http://forums.matronics.com/viewtopic.php?p=342499#342499

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kdbelue(at)charter.net
Guest

Posted: Thu Jun 09, 2011 8:40 am Post subject: Aileron Rigging

I chased the aileron alignment on my plane and found that it changes as the temperature changes. I clamped one aileron to the flap and noticed the other aileron would vary about 1/8" at the tip over temperature, so I left it at that.



Sent from my iPhone



On Jun 9, 2011, at 9:44 AM, "rleffler" <rv(at)thelefflers.com> wrote:



 	  Quote: 	
		   

 

 I've been working on my aileron and flap rigging the past couple of days. I'm still not finished, but I thought I would solicit some opinions on the best methods to finish the rigging.

 

 Here's my data:

 

 Aileron        Up    Down

 Max Travel        32    17

 Min Travel        25    15

 Right        29.7    17.3

 Left        28.7    16.9

 

 Flaps are up and flush with the bottom of the fuselage.  Ailerons are flush with the flaps in the neutral position.  There is about a .4 degree variance between the two flaps.  I'm slightly over the limits on the right aileron at the moment.  While the trailing edge of the left flap and aileron are flush, I still have the right aileron about 1/8" shorter than the flap trailing edge.

 

 My question is how far to chase these specs down?  Clearly have have to get them within the published specs, but what's the impact if they are within specs but may not be symmetrical?  I'm guessing that the roll rate may be slightly different depending on the direction of turn.

 

 On the trailing edge differences, I guess the best method is to disconnect the flap and see what angle do they match.

 

 Any tips on getting these rigged a little closer together would be appreciated.

 

 thanks,

 

 bob

 

 --------

 Bob Leffler

 N410BL - FWF

 RV-10 #40684

 http://mykitlog.com/rleffler

 

 

 

 

 Read this topic online here:

 

 http://forums.matronics.com/viewtopic.php?p=342499#342499

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dlm34077(at)q.com
Guest

Posted: Thu Jun 09, 2011 9:11 am Post subject: Aileron Rigging

recognize also that the flaps are reflexed so clamping one side and aligning 

the other is counter productive. Flaps need to be set in trail for the 

procedure to work.

---

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kdbelue(at)charter.net
Guest

Posted: Thu Jun 09, 2011 9:36 am Post subject: Aileron Rigging

The position of the flaps didn't matter for this- I'm saying that the aileron position would change just from the temperature changing. One day I'd set the ailerons and clamp one side to the flap and note the position of the other aileron. The next day, at a different temperature (+- 10), the aileron would be in a different position....



Sent from my iPhone



On Jun 9, 2011, at 12:07 PM, "DLM" <dlm34077(at)q.com> wrote:



[quote] 

 

 recognize also that the flaps are reflexed so clamping one side and aligning the other is counter productive. Flaps need to be set in trail for the procedure to work.

 ---

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bhughes(at)qnsi.net
Guest

Posted: Fri Jun 10, 2011 9:02 am Post subject: Aileron Rigging

Are the wing tips, aileron and flaps in alignment with flaps in reflex

or flaps in trail? Mine are aligned with flaps in reflex. Are they

incorrect?



Bobby Hughes

N416AS



--

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daveleikam(at)wi.rr.com
Guest

Posted: Fri Jun 10, 2011 9:24 am Post subject: Aileron Rigging

No.  They are not incorrect.  They should line up in reflex.



David Leikam

RV10

Flying

On Jun 10, 2011, at 1:05 PM, Bobby J. Hughes wrote:



[quote] 

 

 

 Are the wing tips, aileron and flaps in alignment with flaps in reflex

 or flaps in trail? Mine are aligned with flaps in reflex. Are they

 incorrect?

 

 Bobby Hughes

 N416AS

 

 --

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rleffler

Joined: 05 Nov 2006
Posts: 680

Posted: Fri Jun 10, 2011 9:32 am Post subject: Aileron Rigging

I aligned with the flaps in reflex.  I'm finding that I can tweak my ailerons a little more to be closer aligned within spec.



My trailing edge difference appears to be caused by one flap being about .5 degree low.  What I thought was the offending aileron actually matches the wing tip length.  



Learning something new every day......



Sent from my iPhone



On Jun 10, 2011, at 2:05 PM, "Bobby J. Hughes" <bhughes(at)qnsi.net> wrote:



[quote] 

 

 

 Are the wing tips, aileron and flaps in alignment with flaps in reflex

 or flaps in trail? Mine are aligned with flaps in reflex. Are they

 incorrect?

 

 Bobby Hughes

 N416AS

 

 --

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_________________
Bob Leffler
N410BL - Phase I
http://mykitlog.com/rleffler

Tim Olson

Joined: 25 Jan 2007
Posts: 2879

Posted: Fri Jun 10, 2011 9:34 am Post subject: Aileron Rigging

Mine are in reflex....since that's where you'll be 95% of the

time anyway....and it work great.



Tim Olson - RV-10 N104CD



On 6/10/2011 1:05 PM, Bobby J. Hughes wrote:

[quote] 

 Are the wing tips, aileron and flaps in alignment with flaps in reflex

 or flaps in trail? Mine are aligned with flaps in reflex. Are they

 incorrect?



 Bobby Hughes

 N416AS



 --

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