RE: Europa-List: Re: gap between the wing fairings and the fuselage

[Bud Yerly <budyerly@msn.com>]

Same here Remi,

As my painter said, Looks like the ass end of hard times.

If one did not plan for using a gap filing foam tape you are stuck with a w
rinkled sticky mess.

No matter what you use, it tends to be a pain in the neck.


To get the tape to stick I have had to use paint prep cleaner (kind of a na
ptha, GoofOff, degreaser/cleaner) called Prep-Sol 3919 by Axalta or Prep-Al
l by Kleanstrip with a very light duty scuffing pad (a graygreen finishing 
pad by 3M/ Scotchbrite) .  The cleaning and just a bit of de-glossing of th
e 3000 grit helps the Bowlus 2 inch tape stick on quite well even in our ho
t sun.  I only have one client using Bowlus on his motor glider and is not 
perfect but looks darned adequate and the new buyer is reasonably happy wit
h it.  Of course we haven=92t hit any cold weather yet either.


Happy New Year,

Bud Yerly

Sent from Mail<https://go.microsoft.com/fwlink/?LinkId=550986> for Window
s 10


________________________________
From: owner-europa-list-server@matronics.com <owner-europa-list-server@matr
onics.com> on behalf of Remi Guerner <air.guerner@orange.fr>
Sent: Sunday, December 30, 2018 3:39:34 AM
Subject: Europa-List: Re: gap between the wing fairings and the fuselage


Bob, I tried the same very expensive clear Bowlus tape for sealing those ga
ps last summer. This was very disappointing as there were no measurable spe
ed gain, it looked ugly and the tape started to get disbonded and flapped i
n the breeze after a few weeks. I believe the problem comes from the gaps w
hich move back and forth with the flexing of the wings. It seems to me that
 the Bowlus tape is too thick to handle the stress caused by this flexing. 
May be a thinner and therefore more flexible tape would do it better?
Remi


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