X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Sun, 17 Aug 2008 12:13:07 -0400 Message-ID: X-Original-Return-Path: Received: from hrndva-omtalb.mail.rr.com ([71.74.56.122] verified) by logan.com (CommuniGate Pro SMTP 5.2.6) with ESMTP id 3080060 for lml@lancaironline.net; Sat, 16 Aug 2008 21:52:58 -0400 Received-SPF: none receiver=logan.com; client-ip=71.74.56.122; envelope-from=schaefer@rts-services.com Received: from Master.RTS-Services.com ([70.113.121.73]) by hrndva-omta01.mail.rr.com with ESMTP id <20080817015222.UAGH13039.hrndva-omta01.mail.rr.com@Master.RTS-Services.com> for ; Sun, 17 Aug 2008 01:52:22 +0000 Received: from RTSLaptop (cpe-70-113-121-73.austin.res.rr.com [70.113.121.73]) (authenticated bits=0) by Master.RTS-Services.com (8.13.1/8.13.1) with ESMTP id m7H1hu1F028580 (version=TLSv1/SSLv3 cipher=RC4-MD5 bits=128 verify=NO) for ; Sat, 16 Aug 2008 20:43:57 -0500 From: "Richard T. Schaefer" X-Original-To: "'Lancair Mailing List'" Subject: RE: [LML] leaking wing on IVP X-Original-Date: Sat, 16 Aug 2008 20:52:02 -0500 X-Original-Message-ID: <005501c9000b$db772a70$0202fea9@RTSLaptop> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0056_01C8FFE1.F2AD0950" X-Mailer: Microsoft Office Outlook 11 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3350 In-Reply-To: Thread-Index: Acj/FCXhF0qKrvgHSPSMc1EwDyNlaQA9uEQg X-Spam-Score: -1.999 () BAYES_00,DYN_RDNS_SHORT_HELO_HTML,HTML_MESSAGE,RDNS_DYNAMIC X-Scanned-By: MIMEDefang 2.58 on 192.168.10.101 This is a multi-part message in MIME format. ------=_NextPart_000_0056_01C8FFE1.F2AD0950 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit When I was at the factory doing my Builder Assist, they were working on the wings for a IV that was leaking. Basically they removed the entire skin and inspected it. They found lots of places where the bonding was less than marginal. They re-prepared the surfaces and rebounded the skin. Sounds simple . NOT! Lots of heat to loosen the skins. Of course the paint job was totaled. They definitely have the expertise to fix the problem. I am sure it will be on your $$. _____ From: Lancair Mailing List [mailto:lml@lancaironline.net] On Behalf Of bronnenmeier@GROBSYSTEMS.COM Sent: Friday, August 15, 2008 3:26 PM To: lml@lancaironline.net Subject: [LML] leaking wing on IVP Dear subscribers, I need some help/advise. I purchased a used IVP with 250 hrs. It did not look very nicely and I knew that it needed some work. I had a pre purchase inspection/anual done at Lancair and they confirmed that everything was in a working condition and that the airplane was safe to fly. Based on this I made my purchase decision. I took the airplane apart and I am rebuilding it right now (I did not have the money for a new kit). After painting the wings we got a paint bubble during the buffing in the sun. I dug into bubble and found some of that brown rubber under the primer (the sealer that is used to seal the inside of fuel tanks - unfortunately I decided to just grind of the original paint and leave the primer on) I decided to grind of all the paint and primer around my leading edge and found that brown rubber stuff on several spots along the leading edge. After removing the rubber I found wet spots in the carbon fiber. After looking at the wing closer I found blue stains on the very outside of the leading edge (visible by looking into the wing after removing the winglets). This probably should have been found by Lancair during the annual/pre purchase inspection. I think my whole leading edge is soaked with fuel since I see stains where no fuel tank is. I would also consider this as a safety concern. My friends from the FBO here think the design of a wing without any inspection panels is hazardous anyway. So I won't find much help there. One professional Lancair builder recommended to paint the outside of the wing with sealer paint - I don't feel very comfortable with his advice. Can anyone give me advise on how to fix this right. I would also feel more comfortable if I would have professional help on this - any advise on this? Do you think I would have any success asking Lancair for help on this since I purchased the plane based on their evaluation. Ralf Bronnenmeier Bluffton, OH 45817 Phone: (419) 369 12 33 E-mail: bronnenmeier@grobsystems.com ------=_NextPart_000_0056_01C8FFE1.F2AD0950 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

When I was at the factory doing my = Builder Assist, they were working on the wings for a IV that was = leaking.

Basically they removed the entire = skin and inspected it. They found lots of places where the bonding was less than marginal.

They re-prepared the surfaces and = rebounded the skin.

 

Sounds simple … = NOT!

Lots of heat to loosen the skins. = Of course the paint job was totaled.

They definitely have the expertise = to fix the problem. I am sure it will be on your = $$.

 

 

From: = Lancair Mailing List = [mailto:lml@lancaironline.net] On Behalf Of = bronnenmeier@GROBSYSTEMS.COM
Sent: Friday, August 15, = 2008 3:26 PM
To: = lml@lancaironline.net
Subject: [LML] leaking = wing on IVP

 

Dear subscribers,

 

I need some help/advise. I purchased a used IVP with = 250 hrs. It did not look very nicely and I knew that it needed some work. I = had a pre purchase inspection/anual done at Lancair and they confirmed that everything was in a working condition and that the airplane was safe to = fly. Based on this I made my purchase decision.

 

I took the airplane apart and I am rebuilding it = right now (I did not have the money for a new kit). After painting the wings we = got a paint bubble during the buffing in the sun. I dug into bubble and found = some of that brown rubber under the primer (the sealer that is used to seal the = inside of fuel tanks - unfortunately I decided to just grind of the original = paint and leave the primer on) I decided to grind of all the paint and primer = around my leading edge and found that brown rubber stuff on several spots along = the leading edge. After removing the rubber I found wet spots in the carbon = fiber. After looking at the wing closer I found blue stains on the very outside = of the leading edge (visible by looking into the wing after removing the = winglets). This probably should have been found by Lancair during the annual/pre = purchase inspection.

 

I think my whole leading edge is soaked with fuel = since I see stains where no fuel tank is. I would also consider this as a safety = concern. My friends from the FBO here think the design of a wing without any = inspection panels is hazardous anyway. So I won’t find much help there. One professional Lancair builder recommended to paint the outside of the = wing with sealer paint – I don’t feel very comfortable with his = advice.

 

Can anyone give me advise on how to fix this right. I = would also feel more comfortable if I would have professional help on this = – any advise on this? Do you think I would have any success asking Lancair = for help on this since I purchased the plane based on their = evaluation.

 

 

Ralf Bronnenmeier

Bluffton, OH 45817

Phone: (419) 369 12 33

E-mail: = bronnenmeier@grobsystems.com

 

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