Return-Path: Sender: "Marvin Kaye" To: lml@lancaironline.net Date: Sun, 12 Dec 2004 20:42:57 -0500 Message-ID: X-Original-Return-Path: Received: from tomts10-srv.bellnexxia.net ([209.226.175.54] verified) by logan.com (CommuniGate Pro SMTP 4.2.5) with ESMTP id 564392 for lml@lancaironline.net; Sun, 12 Dec 2004 11:18:38 -0500 Received-SPF: none receiver=logan.com; client-ip=209.226.175.54; envelope-from=ian.crowe@sympatico.ca Received: from crowe ([69.159.72.207]) by tomts10-srv.bellnexxia.net (InterMail vM.5.01.06.10 201-253-122-130-110-20040306) with SMTP id <20041212161822.RMIQ1863.tomts10-srv.bellnexxia.net@crowe> for ; Sun, 12 Dec 2004 11:18:22 -0500 X-Original-Message-ID: <006a01c4e066$3ebdf920$6721fea9@crowe> From: "Ian B. Crowe" X-Original-To: "Lancair Mailing List" Subject: Main spar bolts X-Original-Date: Sun, 12 Dec 2004 11:18:41 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0067_01C4E03C.5590D070" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2180 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 This is a multi-part message in MIME format. ------=_NextPart_000_0067_01C4E03C.5590D070 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable One tip that I have is to ensure that the the main spar bolts are the = correct length. If they are too long they will bottom in the nut and = not be tight. If you continue to tighten them you will strip the = threads. This is why I consider it is essential to use a torque wrench. = If I had just tightened them without using a torque wrench I might have = assumed that they were tight when in fact they were not. I had to cut the spar filler to access the nut plate and fit a new nut = plate. It was the inboard bolt left hand. I did not enjoy the process. I used the lowest torque value for a 1/2inch bolt. I strongly recommend = a check of the length of these bolts. There is nothing but grief if = they are the wrong length and you install them. Interestingly only one = bolt out of the four was too long by about 1/8th inch. Somewhere in the archives is my original post. Ian Crowe ------=_NextPart_000_0067_01C4E03C.5590D070 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
One tip that I have is to ensure that = the the main=20 spar bolts are the correct length.  If they are too long they will = bottom=20 in the nut and not be tight.  If you continue to tighten them you = will=20 strip the threads.  This is why I consider it is essential to = use a=20 torque wrench.  If I had just tightened them without using a torque = wrench=20 I might have assumed that they were tight when in fact they were=20 not.
 
I had to cut the spar filler to access = the nut=20 plate and fit a new nut plate.  It was the inboard bolt left hand. = I did=20 not enjoy the process.
 
I used the lowest torque value for a = 1/2inch=20 bolt.  I strongly recommend a check of the length of these=20 bolts.  There is nothing but grief if they are the wrong length and = you=20 install them.  Interestingly only one bolt out of the four was too = long by=20 about 1/8th inch.
 
Somewhere in the archives is my = original=20 post.
 
Ian Crowe
------=_NextPart_000_0067_01C4E03C.5590D070--