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Blue Plastic removal

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rleffler

Joined: 05 Nov 2006
Posts: 680

Posted: Sun Aug 19, 2007 1:54 pm Post subject: Blue Plastic removal

I started out removing strips of the blue protective plastic to allow for dimpling and riveting.   I’ve had several people comment that they had some corrosion issues focused under the edges of the blue plastic.   The most recent was from the technical counselor that was just out for my first counselor visit.  

   

So I guess the debate would be which symptom would be worse after 2-3 year build period,  scratches or minor corrosion.  Since all of these reports have been second hand, I’m looking for feedback from anyone that had any corrosion after the removed the blue plastic at the end of the build.     

   

Any strong opinions with either option?   Did anyone else find corrosion under the blue plastic when removed?  

   

Thanks,  

   

Bob  

#40684  

      [quote][b]

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

egohr1

Joined: 17 Jan 2006
Posts: 38
Location: Oklahoma City

Posted: Sun Aug 19, 2007 2:43 pm Post subject: Re: Blue Plastic removal

Can not speak to the corrosion issue.  I am stripping the blue plastic from the empanage with was finished 2 years ago and it is coming off in small hard to remove pieces.



I stripped the rest of the airplane as it was built.

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eric gohr
EGOHR86@alumni.carnegiemellon.edu

ron.mcgann(at)baesystems.
Guest

Posted: Sun Aug 19, 2007 3:06 pm Post subject: Blue Plastic removal

I left the vinyl on the skins in the shed extremes of heat/cold,

dry/damp for 3+ years.  Corrosion was evident, but limited to only very

tiny areas at the vinyl edges - not worth a second thought.  The vinyl

had hardened with age and was a little more difficult to remove, but I

have heard that slightly heating the vinyl with a heat gun allows it to

come off more easily



Cheers,

Ron

-187 finishing



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speckter(at)comcast.net
Guest

Posted: Sun Aug 19, 2007 3:36 pm Post subject: Blue Plastic removal

From my experience with several builds, the bigger issue is the difficulty of removing the plastic after it has been stored for several years.  In one extreme case I had to sand off the plastic with a power sander and z-strip paint remover in order to get it off.  It is true that a heat gun helps, but the longer it is on and the more it is subjected to sunlight, even through windows, the tougher it is to remove.  My solution to the scratch issue is to wrap the part in bubble wrap after it is completed.  That protects against scratches and small blows.  

   

Gary  

40274  

Wiring OP Tech panel  

         

  

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

 Sent: Sunday, August 19, 2007 4:53 PM

 To: rv10-list(at)matronics.com; rv-list(at)matronics.com

 Subject: Blue Plastic removal  

  

   

I started out removing strips of the blue protective plastic to allow for dimpling and riveting.   I’ve had several people comment that they had some corrosion issues focused under the edges of the blue plastic.   The most recent was from the technical counselor that was just out for my first counselor visit.  

   

So I guess the debate would be which symptom would be worse after 2-3 year build period,  scratches or minor corrosion.  Since all of these reports have been second hand, I’m looking for feedback from anyone that had any corrosion after the removed the blue plastic at the end of the build.     

   

Any strong opinions with either option?   Did anyone else find corrosion under the blue plastic when removed?  

   

Thanks,  

   

Bob  

#40684   	  Quote: 	
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       [quote][b]

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cehoffman(at)bellsouth.ne
Guest

Posted: Sun Aug 19, 2007 4:13 pm Post subject: Blue Plastic removal

I have had more corrosion problems from perspiration dripping on the  aluminum than from any blue plastic that stayed on to protect the skin.

  

 Cal Hoffman

 40119 (Instrument Panel)

  

 Do not archive

 [quote]   ---

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rvbuilder(at)sausen.net
Guest

Posted: Sun Aug 19, 2007 5:05 pm Post subject: Blue Plastic removal

I’ll echo what Gary said, it can get to be a bear to get the stuff off after a while.  I also used to do the strips but just didn’t see the point anymore.  Besides, you are going to scratch the hell out of it when you go to paint it anyway.  And any minor filliform or other corrosion will also be removed when you go to sand it.  Better to let it breath in my opinion.  

   

Michael  

       

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

 Sent: Sunday, August 19, 2007 4:53 PM

 To: rv10-list(at)matronics.com; rv-list(at)matronics.com

 Subject: Blue Plastic removal  

  

  

   

I started out removing strips of the blue protective plastic to allow for dimpling and riveting.   I’ve had several people comment that they had some corrosion issues focused under the edges of the blue plastic.   The most recent was from the technical counselor that was just out for my first counselor visit.  

   

So I guess the debate would be which symptom would be worse after 2-3 year build period,  scratches or minor corrosion.  Since all of these reports have been second hand, I’m looking for feedback from anyone that had any corrosion after the removed the blue plastic at the end of the build.     

   

Any strong opinions with either option?   Did anyone else find corrosion under the blue plastic when removed?  

   

Thanks,  

   

Bob  

#40684  [quote]  ;         - The RV10-List Email Forarch & Download, 7-Day Browse, Chat, FAQ,[/b]_;  --> http://www.matronics.bsp;         - NEW MATRONICS WEB FO; http://forums.matronics.com</================== [b]

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KiloPapa

Joined: 24 May 2006
Posts: 142
Location: Pearblossom, CA

Posted: Sun Aug 19, 2007 7:14 pm Post subject: Blue Plastic removal

Howdy,  You may find the vinyl coating  difficult to remove after a 2-3 year period.  Here is an excerpt from  "Materials used in RV Airframes (Section 5) Part 1" located in the construction  section of Van's website.



5M VINYL COATING

Many of  the alclad parts are supplied with a thin (usually blue) vinyl coating to  prevent scratching during the

manufacturing of the parts. The vinyl may be  left on during drilling but should be removed for dimpling, priming and

final  installation. It is possible to remove strips of vinyl along rivet lines with a  soldering iron. Carefully round and

smooth the tip of the iron so it won’t  scratch the aluminum.



 The adhesive on the vinyl strengthens with age,  so if the coating is left on for more than a few weeks, it may become very  difficult to remove. 

Corrosion has been found under the vinyl in some  instances. If vinyl covered parts

must be stored for long periods, remove the  vinyl first.



 Kevin

40494

tail/empennage

  

 do not archive

  

   

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Kevin
40494

do not archive

rene(at)felker.com
Guest

Posted: Sun Aug 19, 2007 8:40 pm Post subject: Blue Plastic removal

I just removed mine from the completed fuselage.  The plastic has been on for 1.5 to 2.5 years.  No corrosion and not hard to remove.  

     

Rene'  

40322  

Fisnish…….paint  

801-721-6080  

  

   

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