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Elevator Pushrod Priming?

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s51flyer(at)wi.rr.com
Guest

Posted: Sun Nov 19, 2017 5:50 pm Post subject: Elevator Pushrod Priming?

Has anyone primed the inside of their elevator pushrod per Van’s recommendation?  If so, any quick and easy methods anyone’s discovered?  I actually can’t imagine why this is a recommendation unless you live in a salt water climate.

 

Thanks in advance..

 

Bob O.

wgreenley

Joined: 09 Jan 2010
Posts: 100
Location: Dowagiac, MI

Posted: Sun Nov 19, 2017 6:39 pm Post subject: Elevator Pushrod Priming?

I did. Using a string I pulled some pads back and forth through to scuff, did the same with some rags to clean, then soaked a rag with primer and pulled it through a couple of times.



On Sun, Nov 19, 2017 at 8:49 PM, Bob Orre <s51flyer(at)wi.rr.com (s51flyer(at)wi.rr.com)> wrote:

 	  Quote: 	
		  

Has anyone primed the inside of their elevator pushrod per Van’s recommendation?  If so, any quick and easy methods anyone’s discovered?  I actually can’t imagine why this is a recommendation unless you live in a salt water climate.

 

Thanks in advance..

 

Bob O.

Dave Saylor

Joined: 11 Jan 2015
Posts: 210
Location: GILROY, CA

Posted: Sun Nov 19, 2017 8:18 pm Post subject: Elevator Pushrod Priming?

I primed mine per the instructions.  I don't think it's so much "salt water climate" as much as that no one is ever gonna look in there ever again.  And if it somehow did fail, it would be really bad.  So it should be as reliable as possible.



--Dave

On Sun, Nov 19, 2017 at 5:49 PM, Bob Orre <s51flyer(at)wi.rr.com (s51flyer(at)wi.rr.com)> wrote:

 	  Quote: 	
		  

Has anyone primed the inside of their elevator pushrod per Van’s recommendation?  If so, any quick and easy methods anyone’s discovered?  I actually can’t imagine why this is a recommendation unless you live in a salt water climate.

 

Thanks in advance..

 

Bob O.

_________________
--Dave
KWVI

Kellym

Joined: 10 Jan 2006
Posts: 1706
Location: Sun Lakes AZ

Posted: Sun Nov 19, 2017 8:44 pm Post subject: Elevator Pushrod Priming?

Keep in mind that the parts for the pushrod are not Alclad, and thus do 

not have the corrosion resistance of the exterior skins. I wouldn't be 

surprised if the tube and end caps are different Al alloys.

Van's limits primer recommendations to a very small portion of the kit, 

to just those parts that have some risk of corrosion in damp air.



On 11/19/2017 9:16 PM, David Saylor wrote:

 	  Quote: 	
		   I primed mine per the instructions.  I don't think it's so much "salt 

 water climate" as much as that no one is ever gonna look in there ever 

 again.  And if it somehow did fail, it would be really bad.  So it 

 should be as reliable as possible.

 

 --Dave

 

 On Sun, Nov 19, 2017 at 5:49 PM, Bob Orre <s51flyer(at)wi.rr.com 

 <mailto:s51flyer(at)wi.rr.com>> wrote:

 

     Has anyone primed the inside of their elevator pushrod per Van’s

     recommendation?  If so, any quick and easy methods anyone’s

     discovered?  I actually can’t imagine why this is a recommendation

     unless you live in a salt water climate.____

 

     __ __

 

     Thanks in advance..____

 

     __ __

 

     Bob O.____

_________________
Kelly McMullen
A&P/IA, EAA Tech Counselor # 5286
KCHD

Bob Turner

Joined: 03 Jan 2009
Posts: 885
Location: Castro Valley, CA

Posted: Sun Nov 19, 2017 8:51 pm Post subject: Re: Elevator Pushrod Priming?

 	  Dave Saylor wrote: 	
		  I primed mine per the instructions.  I don't think it's so much "salt water climate" as much as that no one is ever gonna look in there ever again.  And if it somehow did fail, it would be really bad.  So it should be as reliable as possible.



--Dave

u] 	


+1

Same here. After primer had cured, just before inserting rod ends, I also sprayed LPS-2 in there, just for added measure.

_________________
Bob Turner
RV-10 QB

philperry9

Joined: 23 Nov 2011
Posts: 381

Posted: Mon Nov 20, 2017 4:36 am Post subject: Elevator Pushrod Priming?

Yep.  Capped off one end and filled the tube with acid etch.    Dumped it.  Rinsed it.   Allowed to dry. 



Then recalled it. mixed about a cup of primer, poured it in, and rolled the tube around.  

Looking inside with a flashlight, you can see where primer is and isn’t.    Kept moving it around until it was all coated. 

Pretty easy and nothing to fret. 

Phil



Sent from my iPhone



On Nov 19, 2017, at 7:49 PM, Bob Orre <s51flyer(at)wi.rr.com (s51flyer(at)wi.rr.com)> wrote:

 	  Quote: 	
		    <![endif]-->   <![endif]-->

Has anyone primed the inside of their elevator pushrod per Van’s recommendation?  If so, any quick and easy methods anyone’s discovered?  I actually can’t imagine why this is a recommendation unless you live in a salt water climate.

 

Thanks in advance..

 

Bob O.

Kellym

Joined: 10 Jan 2006
Posts: 1706
Location: Sun Lakes AZ

Posted: Mon Nov 20, 2017 5:35 am Post subject: Elevator Pushrod Priming?

I would argue against using acid etch/alodine in any area that you can't 

access afterwards. I think the risk of not fully removing the acid 

exceeds any risk of poor bonding of the paint. The area will never be 

subject to any abrasion or scratching that tests paint adhesion.

The primer itself contains sacrificial material to react with any 

oxidizing moisture. Of course I don't base in a corrosive atmosphere of 

coastal areas, so I'm certainly biased. If we aren't careful, we could 

re-ignite primer wars. )



On 11/20/2017 5:33 AM, Phillip Perry wrote:

 	  Quote: 	
		   Yep.  Capped off one end and filled the tube with acid etch.    Dumped 

 it.  Rinsed it.   Allowed to dry.

 

 Then recalled it. mixed about a cup of primer, poured it in, and rolled 

 the tube around.

 

 Looking inside with a flashlight, you can see where primer is and isn’t. 

     Kept moving it around until it was all coated.

 

 Pretty easy and nothing to fret.

 

 Phil

_________________
Kelly McMullen
A&P/IA, EAA Tech Counselor # 5286
KCHD

philperry9

Joined: 23 Nov 2011
Posts: 381

Posted: Mon Nov 20, 2017 6:04 am Post subject: Elevator Pushrod Priming?

Fair enough.  I just flushed it and flushed it and flushed it.



Thinking about it more, I even alodined the thing too.    I had a couple of 6-8 ft sections of PVC pipe.  One end was opened up, the other had a fitting where I mounted a hose bibb.   I could fill one pvc tube with acid etch.  The other with alodine.   Then I'd drop the long pieces inside the pvc tube.   When done, I'd open the hose bibb and recapture each solution back in it's original container.  Worked pretty well and I think they're still out in my garage.

On Mon, Nov 20, 2017 at 7:33 AM, Kelly McMullen <kellym(at)aviating.com (kellym(at)aviating.com)> wrote:

 	  Quote: 	
		  --> RV10-List message posted by: Kelly McMullen <kellym(at)aviating.com (kellym(at)aviating.com)>

 

 I would argue against using acid etch/alodine in any area that you can't access afterwards. I think the risk of not fully removing the acid exceeds any risk of poor bonding of the paint. The area will never be subject to any abrasion or scratching that tests paint adhesion.

 The primer itself contains sacrificial material to react with any oxidizing moisture. Of course I don't base in a corrosive atmosphere of coastal areas, so I'm certainly biased. If we aren't careful, we could re-ignite primer wars. )

 

 On 11/20/2017 5:33 AM, Phillip Perry wrote:

  	  Quote: 	
		   Yep.  Capped off one end and filled the tube with acid etch.    Dumped it.  Rinsed it.   Allowed to dry.

 

 Then recalled it. mixed about a cup of primer, poured it in, and rolled the tube around.

 

 Looking inside with a flashlight, you can see where primer is and isn’t.     Kept moving it around until it was all coated.

 

 Pretty easy and nothing to fret.

 

 Phil

 	
 

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s51flyer(at)wi.rr.com
Guest

Posted: Mon Nov 20, 2017 3:08 pm Post subject: Elevator Pushrod Priming?

Thanks, guys.  Appreciate the feedback.  Good ideas on priming.  Next step, prime the tube….

 

Bob O.

 

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

Sent: Monday, November 20, 2017 8:02 AM

To: rv10-list(at)matronics.com

Subject: Re: Elevator Pushrod Priming?

 

Fair enough.  I just flushed it and flushed it and flushed it.

 



Thinking about it more, I even alodined the thing too.    I had a couple of 6-8 ft sections of PVC pipe.  One end was opened up, the other had a fitting where I mounted a hose bibb.   I could fill one pvc tube with acid etch.  The other with alodine.   Then I'd drop the long pieces inside the pvc tube.   When done, I'd open the hose bibb and recapture each solution back in it's original container.  Worked pretty well and I think they're still out in my garage.



 



 



 

 

On Mon, Nov 20, 2017 at 7:33 AM, Kelly McMullen <kellym(at)aviating.com (kellym(at)aviating.com)> wrote: 	  Quote: 	
		  

--> RV10-List message posted by: Kelly McMullen <kellym(at)aviating.com (kellym(at)aviating.com)>



I would argue against using acid etch/alodine in any area that you can't access afterwards. I think the risk of not fully removing the acid exceeds any risk of poor bonding of the paint. The area will never be subject to any abrasion or scratching that tests paint adhesion.

The primer itself contains sacrificial material to react with any oxidizing moisture. Of course I don't base in a corrosive atmosphere of coastal areas, so I'm certainly biased. If we aren't careful, we could re-ignite primer wars. )



On 11/20/2017 5:33 AM, Phillip Perry wrote: 	  Quote: 	
		  

Yep.  Capped off one end and filled the tube with acid etch.    Dumped it.  Rinsed it.   Allowed to dry.



Then recalled it. mixed about a cup of primer, poured it in, and rolled the tube around.



Looking inside with a flashlight, you can see where primer is and isn’t.     Kept moving it around until it was all coated.



Pretty easy and nothing to fret.



Phil 	


 

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rvdave

Joined: 24 Jan 2009
Posts: 191

Posted: Tue Nov 21, 2017 12:18 pm Post subject: Re: Elevator Pushrod Priming?

I’ve always heard that linseed oil does a good job protecting metal from rusting/corroding when put on properly, that is wiping off the excess .   Dousing a rag and pushing and pulling it through the pushrod worked well for me .

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Dave Ford
Cadillac, MI

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