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Corrosion Protection for Flaperons?
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FlyboyTR

Joined: 04 Nov 2006
Posts: 215
Location: Mobile, Alabama

Posted: Wed Jan 06, 2010 10:14 am Post subject: Corrosion Protection for Flaperons?

I have removed my flaperons for corrosion removal and painting.  I am concerned about possible corrosion inside.  After stripping, priming and paintingâ€¦ I noted one of the end caps was slightly loose.  I removed it so I could epoxy it back into position.  Then I realized there is no type of corrosion protection inside the flaperons.  



My flaperons have always held water from rain and washing and I am careful to keep it as dry as possible.  I am planning to drill a few more holes for better draining.



Here is my main concernâ€¦ What can I use to pour into the various sections of the flaperons to coat the aluminum inside?  I have considered Linseed Oil.  However, Iâ€™m really not sure what is best.  Linseed Oil wonâ€™t hurt my new paint, it is easily available and Iâ€™m sure would create a dripping mess for a while (I can live with thatâ€¦for a while)!



Suggestions? 



Travis

_________________
Travis Rayner
Mobile, AL
Skystar Vixen, N-789DF
Continental IO-240, Prince P-Tip Prop
ADI-II Autopilot
AnyWhereMap Navigation with weather
www.enotam.net (My Flying Info Website)

Roger Lee

Joined: 10 Jan 2006
Posts: 1464
Location: Tucson, Az.

Posted: Wed Jan 06, 2010 4:07 pm Post subject: Re: Corrosion Protection for Flaperons?

"Corrosion -X or T-9" 

T-9 was made for Boeing for corrosion. When I manufactured Dive compressors we used either one. Both work very well even against salt water. T-9 will leave a longer lasting film to help block out all moisture. These are for metal not any fabric. Steel or aluminum. They are non conductive.

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Av8r3400

Joined: 22 Sep 2008
Posts: 83
Location: North Central Wisconsin (KRRL)

Posted: Wed Jan 06, 2010 5:20 pm Post subject: Re: Corrosion Protection for Flaperons?

Take care that what ever product you use does not break down the foam ribs in the flaperon.

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Tom Jones

Joined: 12 Mar 2006
Posts: 752
Location: Ellensburg, WA

Posted: Thu Jan 07, 2010 8:14 am Post subject: Re: Corrosion Protection for Flaperons?

Fly Boy TR wrote:

 	  Quote: 	
		  I removed it so I could epoxy it back into position. Then I realized there is no type of corrosion protection inside the flaperons. 	




Travis, did you find corrosion inside the flaperon?



Besides the foam fibs the flaperon bearing material may be affected by linseed oil or other corrison inhibitor.  I don't know what type foam the ribs are made of.  I think I have a piece of the bearing material in my box of leftover parts.  If you would like it to test something I can mail it to you.

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Tom Jones
Classic IV
503 Rotax, 72 inch Two blade Warp
Ellensburg, WA

FlyboyTR

Joined: 04 Nov 2006
Posts: 215
Location: Mobile, Alabama

Posted: Thu Jan 07, 2010 11:11 am Post subject: Re: Corrosion Protection for Flaperons?

[quote="Tom Jones"]Fly Boy TR wrote:

 	  Quote: 	
		  I removed it so I could epoxy it back into position. Then I realized there is no type of corrosion protection inside the flaperons. 	




Travis, did you find corrosion inside the flaperon?quote]



No, Didn't notice any inside the end piece of the flaperon.  Mainly concerned because there was no zinc primer...or something.  



I have some Corrosion X in aerosol and pump sprayer.  I guess I could just spray some around in each section through the available slots and drain holes with hopes that I got good coverage.



Great thought on the foam issue.  I'll check before spraying.



Thanks!

_________________
Travis Rayner
Mobile, AL
Skystar Vixen, N-789DF
Continental IO-240, Prince P-Tip Prop
ADI-II Autopilot
AnyWhereMap Navigation with weather
www.enotam.net (My Flying Info Website)

FlyboyTR

Joined: 04 Nov 2006
Posts: 215
Location: Mobile, Alabama

Posted: Sun Jan 17, 2010 9:14 am Post subject: Re: Corrosion Protection for Flaperons?

OK.  I ended up using Corrosion-X.  After pulling the builders log to determine how the flaperons are constructed...I realized there were foam ribs every 12 inches and apparently sealed to the point that nothing would flow from section to section.  



I drilled a 1/8" hole in each cavity on the bottom of the flaperon.  I then sprayed Corrosion-X into each cavity and closed the hole with an aluminum rivet.  At least I know that most of the internal surfaces  have some type of protection.



Travis

_________________
Travis Rayner
Mobile, AL
Skystar Vixen, N-789DF
Continental IO-240, Prince P-Tip Prop
ADI-II Autopilot
AnyWhereMap Navigation with weather
www.enotam.net (My Flying Info Website)

jimcarriere

Joined: 27 Aug 2006
Posts: 22

Posted: Sun Jan 17, 2010 2:58 pm Post subject: Re: Corrosion Protection for Flaperons?

[quote="FlyboyTR"]

I drilled a 1/8" hole in each cavity on the bottom of the flaperon.  I then sprayed Corrosion-X into each cavity and closed the hole with an aluminum rivet.  At least I know that most of the internal surfaces  have some type of protection.

[/quote]



The build manual actually calls for almost exactly that- drilling 1/8" drain holes in the bottom surface of the flaperons right at the trailing edge, one for each "bay" that has a hinge/attachment, but not for every bay.



Then again this might not have been in all versions of the build manual, or maybe your original builder didn't do it, or maybe the holes are specified as optional?  (Got my manual around here...somewhere...)

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Lynn Matteson

Joined: 10 Jan 2006
Posts: 2778
Location: Grass Lake, Michigan

Posted: Sun Jan 17, 2010 3:10 pm Post subject: Corrosion Protection for Flaperons?

I hope you still have a hole in each cavity to allow condensation to  

escape.



Lynn Matteson

Kitfox IV Speedster, taildragger

Jabiru 2200, #2062, 839.2 hrs

Countdown to 1000 hrs~162 to go

Sensenich 62"x46" Wood prop

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Status: flying (and learning)

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On Jan 17, 2010, at 12:15 PM, FlyboyTR wrote:



 	  Quote: 	
		   



 OK.  I ended up using Corrosion-X.  After pulling the builders log  

 to determine how the flaperons are constructed...I realized there  

 were foam ribs every 12 inches and apparently sealed to the point  

 that nothing would flow from section to section.



 I drilled a 1/8" hole in each cavity on the bottom of the  

 flaperon.  I then sprayed Corrosion-X into each cavity and closed  

 the hole with an aluminum rivet.  At least I know most surfaces  

 should be covered.



 Travis   



 --------

 Travis Rayner

 Mobile, AL

 Skystar Vixen, N-789DF

 Continental IO-240,  Prince P-Tip Prop

 ADI-II Autopilot

 AnyWhereMap Navigation with weather





 Read this topic online here:



 http://forums.matronics.com/viewtopic.php?p 81927#281927

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Lynn
Kitfox IV-Jabiru 2200
N369LM

FlyboyTR

Joined: 04 Nov 2006
Posts: 215
Location: Mobile, Alabama

Posted: Sun Jan 17, 2010 3:17 pm Post subject: Re: Corrosion Protection for Flaperons?

Jim,

Thanks for the input.  There were drain holes in each bay associated with a hinge.  Those were easy to work with!   I think I had to drill 7 or 8 additional holes in each aileron.  



Where are you located in NW Florida?



Travis

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Travis Rayner
Mobile, AL
Skystar Vixen, N-789DF
Continental IO-240, Prince P-Tip Prop
ADI-II Autopilot
AnyWhereMap Navigation with weather
www.enotam.net (My Flying Info Website)

FlyboyTR

Joined: 04 Nov 2006
Posts: 215
Location: Mobile, Alabama

Posted: Sun Jan 17, 2010 3:19 pm Post subject: Re: Corrosion Protection for Flaperons?

Lynn,

No I don't.  The only drain holes are the ones associated with the cavities that have the hinges.  Should each individual chamber have a drain?



Travis

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Travis Rayner
Mobile, AL
Skystar Vixen, N-789DF
Continental IO-240, Prince P-Tip Prop
ADI-II Autopilot
AnyWhereMap Navigation with weather
www.enotam.net (My Flying Info Website)

VIXEN

Joined: 23 Nov 2009
Posts: 35

Posted: Sun Jan 17, 2010 4:09 pm Post subject: Corrosion Protection for Flaperons?

G`day All



Could anyone tell me if they have drain holes near the trailing edge of their wings? I have a Model 5 Vixen and there are no drains. I could not find reference to them in the builders manual. Friends with Cubs and TC`s are telling me to put in drains. The aircraft is stored either in garage or hanger. Any recommendations?

 

Thanks



Don



On Sun, Jan 17, 2010 at 3:19 PM, FlyboyTR <flyboytr(at)bellsouth.net (flyboytr(at)bellsouth.net)> wrote:

[quote] --> Kitfox-List message posted by: "FlyboyTR" <flyboytr(at)bellsouth.net (flyboytr(at)bellsouth.net)>

 

 

Lynn,

 No I don't.  The only drain holes are the ones associated with the cavities that have the hinges.  Should each individual chamber have a drain?

 

 Travis    

 

 --------

 Travis Rayner

 Mobile, AL

 Skystar Vixen, N-789DF

 Continental IO-240,  Prince P-Tip Prop

 ADI-II Autopilot

 AnyWhereMap Navigation with weather

 

 

 

 

 Read this topic online here:

 

 

http://forums.matronics.com/viewtopic.php?p=281980#281980

 



 

 

 

 

 

 

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[b]

Tom Jones

Joined: 12 Mar 2006
Posts: 752
Location: Ellensburg, WA

Posted: Sun Jan 17, 2010 5:00 pm Post subject: Re: Corrosion Protection for Flaperons?

 	  Quote: 	
		  G`day All



Could anyone tell me if they have drain holes near the trailing edge of their wings? I have a Model 5 Vixen and there are no drains. I could not find reference to them in the builders manual. Friends with Cubs and TC`s are telling me to put in drains. The aircraft is stored either in garage or hanger. Any recommendations?



Thanks



Don 	




Don, Wing drainage is mentioned in the wing trailing edge installation part of the manual.



"Cut the notch (in the trailing edge) for the cap strip 1/8" wider on the outboard side of each rib to provide a drain opening for the area behind the lip".  This lip mentioned is on the bottom of the trailing edge and points up.



After covering and painting you burn a 1/8" hole in the fabric there with a needle nose soldering iron.



If your trailing edges have this done you should be able to feel the notch under the fabric at the forward edge of the wing trailing edge on the outboard edge of each rib.



If the notch is not there the trailing edge "Lip" mentioned above will catch water draining back.  In this case I would burn a drain hole right in front of the trailing edge and drill a hole in the trailing edge right behind that one to drain any water caught behind that "Lip".



Some day sooner or later you will probably get caught out in the rain.

_________________
Tom Jones
Classic IV
503 Rotax, 72 inch Two blade Warp
Ellensburg, WA

VIXEN

Joined: 23 Nov 2009
Posts: 35

Posted: Sun Jan 17, 2010 6:29 pm Post subject: Corrosion Protection for Flaperons?

Thanks Tom, I am overseas right now but will double check this when I get home. I have just imported this aircraft from CA to BC Canada ( I live about 250miles straight north of you).I hope to get it ready for Canadian certification in the spring. Have to add carb heat, gascolator, etc. to meet our standards.Sure would like someone with a bunch of hours "Kitfoxing" to remove a few years of RUST from an old PP.Any takers out there. BC is great in the spring!!

On Sun, Jan 17, 2010 at 5:00 PM, Tom Jones <nahsikhs(at)elltel.net (nahsikhs(at)elltel.net)> wrote:

[quote] --> Kitfox-List message posted by: "Tom Jones" <nahsikhs(at)elltel.net (nahsikhs(at)elltel.net)>

 > G`day All

 >

 > Could anyone tell me if they have drain holes near the trailing edge of their wings? I have a Model 5 Vixen and there are no drains. I could not find reference to them in the builders manual. Friends with Cubs and TC`s are telling me to put in drains. The aircraft is stored either in garage or hanger. Any recommendations?

  >

 > Thanks

 >

 > Don

 Don, Wing drainage is mentioned in the wing trailing edge installation part of the manual.

 "Cut the notch (in the trailing edge) for the cap strip 1/8" wider on the outboard side of each rib to provide a drain opening for the area behind the lip".  This lip mentioned is on the bottom of the trailing edge and points up.

 After covering and painting you burn a 1/8" hole in the fabric there with a needle nose soldering iron.

 If your trailing edges have this done you should be able to feel the notch under the fabric at the forward edge of the wing trailing edge on the outboard edge of each rib.

 If the notch is not there the trailing edge "Lip" mentioned above will catch water draining back.  In this case I would burn a drain hole right in front of the trailing edge and drill a hole in the trailing edge right behind that one to drain any water caught behind that "Lip".

 Some day sooner or later you will probably get caught out in the rain.

 --------

 Tom Jones

 Classic IV

 503 Rotax, 72 inch Two blade Warp

 Ellensburg, WA

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Lynn Matteson

Joined: 10 Jan 2006
Posts: 2778
Location: Grass Lake, Michigan

Posted: Sun Jan 17, 2010 6:35 pm Post subject: Corrosion Protection for Flaperons?

I just looked it up, Travis, and I was wrong....they say a 3/16" hole  

"in the bottom skin aft of each hinge, about 3/4"  ahead of the  

trailing edge for a moisture drain hole."  I think I was thinking of  

the drain holes in the wing fabric. So the manual must not think  

that's there's an appreciable amount of moisture collecting inside  

the individual bays of the flaperon. Or they have a channel that  

would allow for the flow of moisture between the bays/cavities.



Lynn Matteson

Kitfox IV Speedster, taildragger

Jabiru 2200, #2062, 839.2 hrs

Countdown to 1000 hrs~162 to go

Sensenich 62"x46" Wood prop

Electroair direct-fire ignition system

Rotec TBI-40 injection

Status: flying (and learning)

On Jan 17, 2010, at 6:19 PM, FlyboyTR wrote:



 	  Quote: 	
		   



 Lynn,

 No I don't.  The only drain holes are the ones associated with the  

 cavities that have the hinges.  Should each individual chamber have  

 a drain?



 Travis    



 --------

 Travis Rayner

 Mobile, AL

 Skystar Vixen, N-789DF

 Continental IO-240,  Prince P-Tip Prop

 ADI-II Autopilot

 AnyWhereMap Navigation with weather





 Read this topic online here:



 http://forums.matronics.com/viewtopic.php?p 81980#281980

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Lynn
Kitfox IV-Jabiru 2200
N369LM

occom

Joined: 26 Aug 2006
Posts: 404

Posted: Mon Jan 18, 2010 2:27 am Post subject: Corrosion Protection for Flaperons?

Does anyone feel that flaperon corrosion is an issue that needs to be 

resolved? I have never seen it come up as an issue.

FlyboyTR

Joined: 04 Nov 2006
Posts: 215
Location: Mobile, Alabama

Posted: Wed Jan 20, 2010 8:47 am Post subject: Re: Corrosion Protection for Flaperons?

Lynn,

Thanks for that info.  I believe each aileron cavity is sealed (at least on my plane).  I think the epoxy extends all the way to the trailing edge.



My wings do have the drain holes along the trailing edge/bottom.  Thanks again!



Travis

_________________
Travis Rayner
Mobile, AL
Skystar Vixen, N-789DF
Continental IO-240, Prince P-Tip Prop
ADI-II Autopilot
AnyWhereMap Navigation with weather
www.enotam.net (My Flying Info Website)

Lynn Matteson

Joined: 10 Jan 2006
Posts: 2778
Location: Grass Lake, Michigan

Posted: Wed Jan 20, 2010 9:01 am Post subject: Corrosion Protection for Flaperons?

You're welcome, Travis.



Lynn Matteson

Kitfox IV Speedster, taildragger

Jabiru 2200, #2062, 840.4 hrs

Countdown to 1000 hrs~159 to go

Sensenich 62"x46" Wood prop

Electroair direct-fire ignition system

Rotec TBI-40 injection

Status: flying (and learning)

do not archive



On Jan 20, 2010, at 11:47 AM, FlyboyTR wrote:



 	  Quote: 	
		   



 Lynn,

 Thanks for that info.  I believe each aileron cavity is sealed (at  

 least on my plane).  I think the epoxy extends all the way to the  

 trailing edge.



 My wings do have the drain holes along the trailing edge/bottom.   

 Thanks again!



 Travis

_________________
Lynn
Kitfox IV-Jabiru 2200
N369LM

dave

Joined: 22 Sep 2006
Posts: 1382

Posted: Wed Jan 20, 2010 9:05 am Post subject: Corrosion Protection for Flaperons?

I have holes drill on my flaperons and I drill everyone I work on that does 

not have drain holes.   about ever foot or two.



leave it in the rain once and you will see how fast they fill up

---

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FlyboyTR

Joined: 04 Nov 2006
Posts: 215
Location: Mobile, Alabama

Posted: Wed Jan 20, 2010 9:19 am Post subject: Re: Corrosion Protection for Flaperons?

Has anyone come up with a hinge seal to help prevent or reduce water getting in the ailerons?



Travis

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Travis Rayner
Mobile, AL
Skystar Vixen, N-789DF
Continental IO-240, Prince P-Tip Prop
ADI-II Autopilot
AnyWhereMap Navigation with weather
www.enotam.net (My Flying Info Website)

dave

Joined: 22 Sep 2006
Posts: 1382

Posted: Wed Jan 20, 2010 9:31 am Post subject: Corrosion Protection for Flaperons?

might help but there is no reason to NOT have a drain out everywhere .

---

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