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RE: Europa-List: Re: Peel Ply on Root Rib

Subject: RE: Europa-List: Re: Peel Ply on Root Rib
From: Simon Smith <jodel@nildram.co.uk>
Date: Mon, 20 Oct 2003 17:44:00

Hi,

After speaking to Neville, the power file was just used to get down to the
peel ply and then, as you say the rest was pried off with a chisel.  Total
time to remove and do a new lay-up is about 2 hrs per wing so I'm a lot
happier than I was when I first saw the red threads!!!

Simon

-----Original Message-----
From: owner-europa-list-server@matronics.com
[mailto:owner-europa-list-server@matronics.com] On Behalf Of rlborger
Subject: Europa-List: Re: Peel Ply on Root Rib


Simon, and others who are caught with this problem:

Before you grind away for hours on end, try slipping a chisel or putty 
knife under the edge of the layup.  The layup doesn't stick to the peel 
ply.  Take it from someone who had the same experience, the layup peels 
  off peel ply just like peel ply peels off a layup.

For all you folks out there who have never seen the white peel ply: It 
is often without that miniscule telltale red thread.  This stuff is as 
transparent as a glass layup after it has been applied and has cured.  
And the factory doesn't leave an edge hanging out making removal easier 
either.

You better check your wing roots along with your flap closeouts and 
aileron closeouts on the pre-build tail kit because if you didn't pull 
off a layer of transparent peel ply, it's still there and it's not good 
to have it there.  You MUST remove this stuff as the layups done over 
it do not stick properly!!  You can peel the layup off of it very 
easily.




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