X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Tue, 01 May 2012 14:48:58 -0400 Message-ID: X-Original-Return-Path: Received: from mail-yw0-f43.google.com ([209.85.213.43] verified) by logan.com (CommuniGate Pro SMTP 5.4.5) with ESMTPS id 5517712 for lml@lancaironline.net; Tue, 01 May 2012 12:48:04 -0400 Received-SPF: pass receiver=logan.com; client-ip=209.85.213.43; envelope-from=vonjet@gmail.com Received: by yhkk6 with SMTP id k6so2355872yhk.2 for ; Tue, 01 May 2012 09:47:28 -0700 (PDT) Received: by 10.68.129.131 with SMTP id nw3mr48447988pbb.150.1335890847784; Tue, 01 May 2012 09:47:27 -0700 (PDT) X-Original-Return-Path: Received: from [10.169.59.230] (mobile-198-228-210-089.mycingular.net. [198.228.210.89]) by mx.google.com with ESMTPS id wi8sm2043827pbc.11.2012.05.01.09.47.25 (version=TLSv1/SSLv3 cipher=OTHER); Tue, 01 May 2012 09:47:26 -0700 (PDT) Subject: Re: [LML] 360 stub wing skin repair References: From: Vonjet Content-Type: multipart/alternative; boundary=Apple-Mail-158B4EA1-40DB-4BA2-B078-5065690FE770 X-Mailer: iPad Mail (9B176) In-Reply-To: X-Original-Message-Id: <381C0A93-0944-400C-B1C4-F5BB5BC46FAE@gmail.com> X-Original-Date: Tue, 1 May 2012 09:47:21 -0700 X-Original-To: Lancair Mailing List Content-Transfer-Encoding: 7bit Mime-Version: 1.0 (1.0) --Apple-Mail-158B4EA1-40DB-4BA2-B078-5065690FE770 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=us-ascii My mistake this looks like a different area than where I had the problem. Bu= t you can still get some hysol in there and add 1 ply of bid over the joint t= o fix it. You may have to sand the ply after cure a little to get the spar t= o spar fit perfect.=20 Bryan On May 1, 2012, at 6:56 AM, "Greenbacks, UnLtd." wrote: > While masking and prepping the fuselage for paint today, inspection of the= left stub wing revealed a crack in the bond of the lower wing skin at the s= tub wing rib/main spar/D section area. The lower skin was bonded with Hysol a= t the factory, there are multiple BID layups on all joints within the gear w= ell itself. I can only imagine that with a handful of wing install/removal c= ycles during construction, that pressure from the outer wing main spar on th= e stub wing skin during installation could have caused this. >=20 > Look closely >=20 > >=20 > A new tool to the rescue! Out came the Japanese pull saw from Takagi... > =20 > > =20 > I was somewhat surprised to find a small void after opening up the joint.= >=20 > > =20 > And a new batch of Hysol with flox to fill the void. >=20 > >=20 > Now I can get back to painting again in the morning. >=20 > Angier Ames > N4ZQ > =20 >=20 --Apple-Mail-158B4EA1-40DB-4BA2-B078-5065690FE770 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8
My mistake this looks like= a different area than where I had the problem. But you can still get some h= ysol in there and add 1 ply of bid over the joint to fix it. You may have to= sand the ply after cure a little to get the spar to spar fit perfect. =

Bryan

On May 1, 2012, at 6:56 AM, "Greenbacks, UnLtd."= <N4ZQ@VERIZON.NET> wrote:
=
While masking and p= repping the fuselage for paint today, inspection of the left stub wing revea= led a crack in the bond of the lower wing skin at the stub wing rib/main spa= r/D section area. The lower skin was bonded with Hysol at the factory, there= are multiple BID layups on all joints within the gear well itself. I can on= ly imagine that with a handful of wing install/removal cycles during constru= ction, that pressure from the outer wing main spar on the stub wing skin dur= ing installation could have caused this.

Look close= ly

<IMG_0005.jpg>

A new tool to the rescue! O= ut came the Japanese pull saw from Takagi...

&= nbsp;

<IMG_0006.jpg>

 

 I was somewhat surprised to find a small void a= fter opening up the joint.


<IMG_0007.jpg>

 

And a new batch of Hysol with flox to f= ill the void.


<IMG_0008.jpg>

=
No= w I can get back to painting again in the morning.

Angier Ame= s
N4ZQ

 


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