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Main spar bolt?

 
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bakerocb



Joined: 15 Jan 2006
Posts: 727
Location: FAIRFAX VA

PostPosted: Sat Sep 30, 2017 6:18 pm    Post subject: Main spar bolt? Reply with quote

9/30/2017

Hello Stephen, The builders manual for the KIS TR-1 calls for the fuselage
main spar box hat shaped bushings (KS-19) to be solidly bonded into place in
the spar box with flox/micro slurry.

Similarly, the wing main spar tubular bushings (KS-1Cool are to be solidly
bonded into place in the wing forward (main) spar with flox/micro slurry.

See pages ASSY-2 and ASSY-3 of the builders manual.

If these bushings are turning when you turn the the AN8-46 bolts that hold
the forward wing spar into the fuselage spar box then your wing is not
securely fastened to the fuselage.

OC

=========================

From: pastormac(at)comcast.net
Sent: Saturday, September 30, 2017 12:30 PM
To: Mark Trickel ; bakerocb(at)cox.net
Subject: Main spar bolt?

Hi Mark & O C
I reinstalled the wing today and after torquing the two front mains spar
bolts. I lifted the wing out at the end on the right side a little and heard
a clicking. After examining the right side main spar bolt. I noticed the
whole bolt turns in the spar Is this normal or do I have a major
problem???

To our success, Stephen McIntosh


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bakerocb



Joined: 15 Jan 2006
Posts: 727
Location: FAIRFAX VA

PostPosted: Sun Oct 01, 2017 7:00 am    Post subject: Main spar bolt? Reply with quote

10/1/2017

Hello Stephen, To follow up please see the two attachments.

OC

====================================

From: OC
Sent: Saturday, September 30, 2017 10:17 PM
To: pastormac(at)comcast.net ; KIS-LIST MATRONICS
Subject: Re: Main spar bolt?

9/30/2017

Hello Stephen, The builders manual for the KIS TR-1 calls for the fuselage
main spar box hat shaped bushings (KS-19) to be solidly bonded into place in
the spar box with flox/micro slurry.

Similarly, the wing main spar tubular bushings (KS-1Cool are to be solidly
bonded into place in the wing forward (main) spar with flox/micro slurry.

See pages ASSY-2 and ASSY-3 of the builders manual.

If these bushings are turning when you turn the the AN8-46 bolts that hold
the forward wing spar into the fuselage spar box then your wing is not
securely fastened to the fuselage.

OC

=========================

From: pastormac(at)comcast.net
Sent: Saturday, September 30, 2017 12:30 PM
To: Mark Trickel ; bakerocb(at)cox.net
Subject: Main spar bolt?

Hi Mark & O C
I reinstalled the wing today and after torquing the two front mains spar
bolts. I lifted the wing out at the end on the right side a little and heard
a clicking. After examining the right side main spar bolt. I noticed the
whole bolt turns in the spar Is this normal or do I have a major
problem???

To our success, Stephen McIntosh


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BUSHING_PLACEMENT_A.docx
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 Filesize:  59.15 KB
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MOUNTING_WING_B.docx
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 Filename:  MOUNTING_WING_B.docx
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pastormac62



Joined: 07 Sep 2015
Posts: 66
Location: Indiana

PostPosted: Sun Oct 01, 2017 9:08 am    Post subject: Main spar bolt? Reply with quote

Thanks! I torqued the main spar bolts to 45 ft lbs? Is that correct??

To our success,
Stephen McIntosh

Quote:
On Oct 1, 2017, at 10:59 AM, OC <bakerocb(at)cox.net> wrote:

10/1/2017

Hello Stephen, To follow up please see the two attachments.

OC

====================================

From: OC
Sent: Saturday, September 30, 2017 10:17 PM
To: pastormac(at)comcast.net ; KIS-LIST MATRONICS
Subject: Re: Main spar bolt?

9/30/2017

Hello Stephen, The builders manual for the KIS TR-1 calls for the fuselage
main spar box hat shaped bushings (KS-19) to be solidly bonded into place in
the spar box with flox/micro slurry.

Similarly, the wing main spar tubular bushings (KS-1Cool are to be solidly
bonded into place in the wing forward (main) spar with flox/micro slurry.

See pages ASSY-2 and ASSY-3 of the builders manual.

If these bushings are turning when you turn the the AN8-46 bolts that hold
the forward wing spar into the fuselage spar box then your wing is not
securely fastened to the fuselage.

OC

=========================

From: pastormac(at)comcast.net
Sent: Saturday, September 30, 2017 12:30 PM
To: Mark Trickel ; bakerocb(at)cox.net
Subject: Main spar bolt?

Hi Mark & O C
I reinstalled the wing today and after torquing the two front mains spar
bolts. I lifted the wing out at the end on the right side a little and heard
a clicking. After examining the right side main spar bolt. I noticed the
whole bolt turns in the spar Is this normal or do I have a major
problem???

To our success, Stephen McIntosh
<BUSHING PLACEMENT A.docx>
<MOUNTING WING B.docx>


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hansoncp(at)netnitco.net
Guest





PostPosted: Sun Oct 01, 2017 2:39 pm    Post subject: Main spar bolt? Reply with quote

Steve, If the bolt is turning in the bushings you may be bottoming out on
the threads and need some washers.

---


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pastormac62



Joined: 07 Sep 2015
Posts: 66
Location: Indiana

PostPosted: Sun Oct 01, 2017 3:09 pm    Post subject: Main spar bolt? Reply with quote

Thanks Ed!!

To our success, Stephen McIntosh

[quote] On Oct 1, 2017, at 6:38 PM, Ed Hanson <hansoncp(at)netnitco.net> wrote:



Steve, If the bolt is turning in the bushings you may be bottoming out on the threads and need some washers.

---


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Keith.Miller(at)esa.int
Guest





PostPosted: Sun Oct 01, 2017 11:31 pm    Post subject: Main spar bolt? Reply with quote

I never found anywhere in the instructions on how much to torque the nuts to
for the main spar bolts.
If it was all built correctly, the idea was that the hat shaped washers
(which are bonded into the spar box ) would be a perfect fit against the
spacers running through (and bonded) the wing spars. The bolts are
essentially just holding it all in place and loaded in shear ) . They have
a nylock insert on the nuts anyway to stop them from sliding out .
In my installation I have a washer at the both the bolt head and the nut
sides to complete the installation, resulting in 1.5 threads showing on the
threads when it is assembled. So far in 16 years they have remained tight,
and i have no movement when the wings are lifted at the outboard ends
I would as Ed suggests, investigate if the nut is bottoming out , How many
threads are showing ?
It would still be unusual to have any movement of these bolts in any
direction , even if they are bottoming out

Keith


From: pastormac(at)comcast.net
To: kis-list(at)matronics.com
Date: 01/10/2017 19:09
Subject: Re: Fw: Main spar bolt?
Sent by: owner-kis-list-server(at)matronics.com



Thanks! I torqued the main spar bolts to 45 ft lbs? Is that correct??

To our success,
Stephen McIntosh

Quote:
On Oct 1, 2017, at 10:59 AM, OC <bakerocb(at)cox.net> wrote:

10/1/2017

Hello Stephen, To follow up please see the two attachments.

OC

====================================

From: OC
Sent: Saturday, September 30, 2017 10:17 PM
To: pastormac(at)comcast.net ; KIS-LIST MATRONICS
Subject: Re: Main spar bolt?

9/30/2017

Hello Stephen, The builders manual for the KIS TR-1 calls for the fuselage
main spar box hat shaped bushings (KS-19) to be solidly bonded into place
in

Quote:
the spar box with flox/micro slurry.

Similarly, the wing main spar tubular bushings (KS-1Cool are to be solidly
bonded into place in the wing forward (main) spar with flox/micro slurry.

See pages ASSY-2 and ASSY-3 of the builders manual.

If these bushings are turning when you turn the the AN8-46 bolts that hold
the forward wing spar into the fuselage spar box then your wing is not
securely fastened to the fuselage.

OC

=========================

From: pastormac(at)comcast.net
Sent: Saturday, September 30, 2017 12:30 PM
To: Mark Trickel ; bakerocb(at)cox.net
Subject: Main spar bolt?

Hi Mark & O C
I reinstalled the wing today and after torquing the two front mains spar
bolts. I lifted the wing out at the end on the right side a little and
heard

Quote:
a clicking. After examining the right side main spar bolt. I noticed the
whole bolt turns in the spar Is this normal or do I have a major
problem???

To our success, Stephen McIntosh
<BUSHING PLACEMENT A.docx>
<MOUNTING WING B.docx>

This message and any attachments are intended for the use of the addressee or addressees only.
The unauthorised disclosure, use, dissemination or copying (either in whole or in part) of its
content is not permitted.
If you received this message in error, please notify the sender and delete it from your system.
Emails can be altered and their integrity cannot be guaranteed by the sender.

Please consider the environment before printing this email.


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pastormac62



Joined: 07 Sep 2015
Posts: 66
Location: Indiana

PostPosted: Mon Oct 02, 2017 3:52 am    Post subject: Main spar bolt? Reply with quote

I believe I need to add a few more washers. I have 4 threads showing. Must be bottoming out.

To our success, Stephen McIntosh

Quote:
On Oct 2, 2017, at 3:30 AM, Keith.Miller(at)esa.int wrote:



I never found anywhere in the instructions on how much to torque the nuts to
for the main spar bolts.
If it was all built correctly, the idea was that the hat shaped washers
(which are bonded into the spar box ) would be a perfect fit against the
spacers running through (and bonded) the wing spars. The bolts are
essentially just holding it all in place and loaded in shear ) . They have
a nylock insert on the nuts anyway to stop them from sliding out .
In my installation I have a washer at the both the bolt head and the nut
sides to complete the installation, resulting in 1.5 threads showing on the
threads when it is assembled. So far in 16 years they have remained tight,
and i have no movement when the wings are lifted at the outboard ends
I would as Ed suggests, investigate if the nut is bottoming out , How many
threads are showing ?
It would still be unusual to have any movement of these bolts in any
direction , even if they are bottoming out

Keith




From: pastormac(at)comcast.net
To: kis-list(at)matronics.com
Date: 01/10/2017 19:09
Subject: Re: Fw: Main spar bolt?
Sent by: owner-kis-list-server(at)matronics.com





Thanks! I torqued the main spar bolts to 45 ft lbs? Is that correct??

To our success,
Stephen McIntosh

> On Oct 1, 2017, at 10:59 AM, OC <bakerocb(at)cox.net> wrote:
>
> 10/1/2017
>
> Hello Stephen, To follow up please see the two attachments.
>
> OC
>
> ====================================
>
> From: OC
> Sent: Saturday, September 30, 2017 10:17 PM
> To: pastormac(at)comcast.net ; KIS-LIST MATRONICS
> Subject: Re: Main spar bolt?
>
> 9/30/2017
>
> Hello Stephen, The builders manual for the KIS TR-1 calls for the fuselage
> main spar box hat shaped bushings (KS-19) to be solidly bonded into place
in
> the spar box with flox/micro slurry.
>
> Similarly, the wing main spar tubular bushings (KS-1Cool are to be solidly
> bonded into place in the wing forward (main) spar with flox/micro slurry.
>
> See pages ASSY-2 and ASSY-3 of the builders manual.
>
> If these bushings are turning when you turn the the AN8-46 bolts that hold
> the forward wing spar into the fuselage spar box then your wing is not
> securely fastened to the fuselage.
>
> OC
>
> =========================
>
> From: pastormac(at)comcast.net
> Sent: Saturday, September 30, 2017 12:30 PM
> To: Mark Trickel ; bakerocb(at)cox.net
> Subject: Main spar bolt?
>
> Hi Mark & O C
> I reinstalled the wing today and after torquing the two front mains spar
> bolts. I lifted the wing out at the end on the right side a little and
heard
> a clicking. After examining the right side main spar bolt. I noticed the
> whole bolt turns in the spar Is this normal or do I have a major
> problem???
>
> To our success, Stephen McIntosh
> <BUSHING PLACEMENT A.docx>
> <MOUNTING WING B.docx>









This message and any attachments are intended for the use of the addressee or addressees only.
The unauthorised disclosure, use, dissemination or copying (either in whole or in part) of its
content is not permitted.
If you received this message in error, please notify the sender and delete it from your system.
Emails can be altered and their integrity cannot be guaranteed by the sender.

Please consider the environment before printing this email.







- The Matronics KIS-List Email Forum -
 

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

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