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From: "Ian B. Crowe" <ian.crowe@sympatico.ca>
X-Original-To: "Marvin Kaye" <lancair.list@olsusa.com>
Subject: LC2 main spar bolts
X-Original-Date: Thu, 4 Jul 2002 09:24:59 -0400
Organization: Corvi Trade Consultants Inc
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A happy July 4th to all my American friends!

Firstly this is a thank you to Tim Ong and Mark Mahnke of Lancair for =
the speed with which they dealt with my problem yesterday.  It took them =
less than an hour.  Let's hear it for these two and the company that is =
smart enough to have them working there.

This is also a heads up to anyone who is putting the wings on for the =
last(?) time.  In brief I put on the right wing, no problem.  I ran the =
bolts up with a 1/2" drive ratchet, set my torque wrench to 40ft/lb. =
(Yes it is calibrated) and bingo there it was.

The left wing was no problem on the outboard bolt but whilst I could run =
the inboard bolt hard up with the ratchet the torque wrench indicated =
that the setting was below 40ft/lb and it would not reach the 40ft/lb =
however hard I tried.  I quickly deduced I had a problem and then the =
bolt stripped and was removed.  On examination it appeared as if the =
bolt had too long an unthreaded shank and had reached the end of the =
thread before reaching the torque required.  Put another way the grip =
length of the bolt was too long.  I had a washer under the head and the =
bolt is the bolt that came with the kit.  The repair procedure is no =
gift but I am not bitching as I had envisioned a dreadful tragedy and =
all I got was some inconvenience and a day's extra work.

My advice is that before you assemble the the wings to the centre spar, =
very carefully measure the parts that fit together and accurately =
determine the grip length required.  Compare this to the bolts you have. =
 It is permissible to use up to two flat washers under the bolt head. If =
this does not do the trick get the next shortest grip length.  Do use a =
torque wrench.  In my case I know that I cannot pull 40ft/lb in the =
space available.  If I had not used a torque wrench and had just used =
the 1/2" ratchet I would have flying with not only a slack bolt but a =
stripped one.  Makes you think doesn't it?

I will be pleased to pass on the repair procedure to anyone who needs =
it.  Misery loves company.

Regards

Ian Crowe

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<DIV><FONT size=3D2>A happy July 4th to all my American =
friends!</FONT></DIV>
<DIV><FONT size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT size=3D2>Firstly this is a thank you to Tim Ong and Mark =
Mahnke of=20
Lancair for the speed with which they dealt with my problem =
yesterday.&nbsp; It=20
took them less than an hour.&nbsp; Let's hear it for these two and the =
company=20
that is smart enough to have them working there.</FONT></DIV>
<DIV><FONT size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT size=3D2>This is also a heads up to anyone who is putting the =
wings on=20
for the last(?) time.&nbsp; In brief I put on the right wing, no =
problem.&nbsp;=20
I ran the bolts up with a 1/2" drive ratchet, set my torque wrench to =
40ft/lb.=20
(Yes it is calibrated) and bingo there it was.</FONT></DIV>
<DIV><FONT size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT size=3D2>The left wing was no problem on the outboard bolt =
but whilst I=20
could run the inboard bolt hard up with the ratchet the torque wrench =
indicated=20
that the setting was below 40ft/lb and it would not reach the 40ft/lb =
however=20
hard I tried.&nbsp; I quickly deduced I had a problem and then =
the&nbsp;bolt=20
stripped and was removed.&nbsp; On examination it appeared as if the =
bolt had=20
too long an unthreaded shank and had reached the end of the thread =
before=20
reaching the torque required.&nbsp; Put another way the grip length of =
the bolt=20
was too long.&nbsp; I had a washer under the head and the bolt is the =
bolt that=20
came with the kit.&nbsp; The repair procedure is no gift but I am not =
bitching=20
as I had envisioned a dreadful tragedy and all I got was some =
inconvenience and=20
a day's extra work.</FONT></DIV>
<DIV><FONT size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT size=3D2>My advice is that <STRONG>before you assemble the =
the wings to=20
the centre spar, very carefully measure the parts that fit together and=20
accurately determine the grip length required.</STRONG>&nbsp; Compare =
this to=20
the bolts you have.&nbsp; It is permissible to use up to two flat =
washers under=20
the bolt head.&nbsp;If this does not do the trick get the next shortest =
grip=20
length. &nbsp;Do use a&nbsp;torque wrench.&nbsp; In my case I know that =
I cannot=20
pull 40ft/lb in the space available.&nbsp; If I had not used a torque =
wrench and=20
had just used the 1/2" ratchet I would have flying with&nbsp;not only a =
slack=20
bolt but a stripped one.&nbsp; Makes you think doesn't it?</FONT></DIV>
<DIV><FONT size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT size=3D2>I will be pleased to pass on the repair procedure to =
anyone=20
who needs it.&nbsp; Misery loves company.</FONT></DIV>
<DIV><FONT size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT size=3D2>Regards</FONT></DIV>
<DIV><FONT size=3D2></FONT>&nbsp;</DIV>
<DIV><FONT size=3D2>Ian Crowe</FONT></DIV></BODY></HTML>

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