Today's Message Index:
----------------------
1. 08:18 AM - Re: Horizontal Stabilizer bolts loose at annual (AirMike)
2. 08:44 AM - Re: Re: Horizontal Stabilizer bolts loose at annual (Tim Olson)
3. 08:57 AM - Re: Re: Horizontal Stabilizer bolts loose at annual (Danny Riggs)
4. 09:13 AM - Re: Re: Horizontal Stabilizer bolts loose at annual (Tim Olson)
5. 09:13 AM - Re: Re: Horizontal Stabilizer bolts loose at annual (Jae Chang)
6. 09:14 AM - Re: Re: Horizontal Stabilizer bolts loose at annual (Linn Walters)
7. 09:21 AM - Re: Re: Horizontal Stabilizer bolts loose at annual (Jeff Carpenter)
8. 09:28 AM - Re: Re: Horizontal Stabilizer bolts loose at annual (Phil Perry)
9. 10:03 AM - Re: Re: Horizontal Stabilizer bolts loose at annual (DLM)
10. 10:13 AM - Re: Re: Horizontal Stabilizer bolts loose at annual (Bruce Johnson)
11. 12:21 PM - Re: Re: Horizontal Stabilizer bolts loose at annual (Jack Phillips)
12. 12:53 PM - Re: Re: Horizontal Stabilizer bolts loose at annual (carl.froehlich@verizon.net)
13. 04:48 PM - Re: Re: Horizontal Stabilizer bolts loose at annual (Kelly McMullen)
14. 05:05 PM - Re: Re: Horizontal Stabilizer bolts loose at annual (John Cumins)
15. 05:30 PM - Re: Re: Horizontal Stabilizer bolts loose at annual (Les Kearney)
Message 1
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| Subject: | Re: Horizontal Stabilizer bolts loose at annual |
I suspect that:
1. Vibration loosened the nuts. Or
2. Vans has you install the bolts - top down with the nuts on the underside.
Thinking about it now, this might be wrong. I obviously torqued the assembly from
the top. Not the best way to do it. You do not get an accurate torque value.
If I were building again -bolts bottom-up. That way you can torque the nuts
precisely.
3. Some combination of inaccurate torque and vibration.
--------
See you OSH '11
Q/B - flying 1 yr+
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=351733#351733
Message 2
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| Subject: | Re: Horizontal Stabilizer bolts loose at annual |
Big mistake. If you do that, and the nuts loosen, it'll fall
right out. That's why all bolts are IN, DOWN, AFT on their
direction.
Tim Olson - RV-10 N104CD
do not archive
On 9/8/2011 10:13 AM, AirMike wrote:
> --> RV10-List message posted by: "AirMike"<Mikeabel@Pacbell.net>
>
> I suspect that:
> 1. Vibration loosened the nuts. Or
> 2. Vans has you install the bolts - top down with the nuts on the underside.
> Thinking about it now, this might be wrong. I obviously torqued the assembly
from the top. Not the best way to do it. You do not get an accurate torque value.
If I were building again -bolts bottom-up. That way you can torque the nuts
precisely.
> 3. Some combination of inaccurate torque and vibration.
>
> --------
> See you OSH '11
> Q/B - flying 1 yr+
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=351733#351733
>
Message 3
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| Subject: | Re: Horizontal Stabilizer bolts loose at annual |
Soooo=2C
What is the theory about substituting castle nuts and locking pins? Any goo
d reason not to do so on these critical areas????
> Date: Thu=2C 8 Sep 2011 10:40:25 -0500
> From: Tim@myrv10.com
> To: rv10-list@matronics.com
> Subject: Re: RV10-List: Re: Horizontal Stabilizer bolts loose at annual
>
>
> Big mistake. If you do that=2C and the nuts loosen=2C it'll fall
> right out. That's why all bolts are IN=2C DOWN=2C AFT on their
> direction.
>
> Tim Olson - RV-10 N104CD
> do not archive
>
>
> On 9/8/2011 10:13 AM=2C AirMike wrote:
> > --> RV10-List message posted by: "AirMike"<Mikeabel@Pacbell.net>
> >
> > I suspect that:
> > 1. Vibration loosened the nuts. Or
> > 2. Vans has you install the bolts - top down with the nuts on the under
side.
> > Thinking about it now=2C this might be wrong. I obviously torqued the a
ssembly from the top. Not the best way to do it. You do not get an accurate
torque value. If I were building again -bolts bottom-up. That way you can
torque the nuts precisely.
> > 3. Some combination of inaccurate torque and vibration.
> >
> > --------
> > See you OSH '11
> > Q/B - flying 1 yr+
> >
> >
> >
> >
> > Read this topic online here:
> >
> > http://forums.matronics.com/viewtopic.php?p=351733#351733
> >
>
===========
===========
===========
===========
>
>
>
Message 4
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| Subject: | Re: Horizontal Stabilizer bolts loose at annual |
I don't see why that would be a bad idea at all.
Tim Olson - RV-10 N104CD
do not archive
On 9/8/2011 10:53 AM, Danny Riggs wrote:
> Soooo,
> What is the theory about substituting castle nuts and locking pins? Any
> good reason not to do so on these critical areas????
>
> > Date: Thu, 8 Sep 2011 10:40:25 -0500
> > From: Tim@myrv10.com
> > To: rv10-list@matronics.com
> > Subject: Re: RV10-List: Re: Horizontal Stabilizer bolts loose at annual
> >
> >
> > Big mistake. If you do that, and the nuts loosen, it'll fall
> > right out. That's why all bolts are IN, DOWN, AFT on their
> > direction.
> >
> > Tim Olson - RV-10 N104CD
> > do not archive
> >
> >
> > On 9/8/2011 10:13 AM, AirMike wrote:
> > >
> > > I suspect that:
> > > 1. Vibration loosened the nuts. Or
> > > 2. Vans has you install the bolts - top down with the nuts on the
> underside.
> > > Thinking about it now, this might be wrong. I obviously torqued the
> assembly from the top. Not the best way to do it. You do not get an
> accurate torque value. If I were building again -bolts bottom-up. That
> way you can torque the nuts precisely.
> > > 3. Some combination of inaccurate torque and vibration.
> > >
> > > --------
> > > See you OSH '11
> > > Q/B - flying 1 yr+
> > >
> > >
> > >
> > >
> > > Read this topic online here:
> > >
> > > http://forums.matronics.com/viewtopic.php?p=351733#351733
> ======================
> &g===============
> >
Message 5
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| Subject: | Re: Horizontal Stabilizer bolts loose at annual |
I just know on those 4 particular AN3 bolts for the HS, access is an
issue. It is hard enough with regular lock nuts.
AirMike, i think fewer bounces on landing would help keeps nuts and
bolts from loosening. Just kidding! :D :D
On 9/8/2011 8:53 AM, Danny Riggs wrote:
> Soooo,
> What is the theory about substituting castle nuts and locking pins?
> Any good reason not to do so on these critical areas????
Message 6
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| Subject: | Re: Horizontal Stabilizer bolts loose at annual |
The problem with castle nuts is most of the time they can't meet the
torque spec. Either too high or too low, but seldom right on.
This is the first time I've heard of 'loose' fasteners, and I really
appreciate Mike stepping up and letting us know. He does have a point
on torquing the head of the bolt rather than the nut. Not the best
solution, but should have been close enough. As more -10s go through
conditional inspections and the bolts get looked at we'll know if this
is an anomaly or not.
Just my two pennies.
Linn
On 9/8/2011 11:53 AM, Danny Riggs wrote:
> Soooo,
> What is the theory about substituting castle nuts and locking pins?
> Any good reason not to do so on these critical areas????
>
> > Date: Thu, 8 Sep 2011 10:40:25 -0500
> > From: Tim@myrv10.com
> > To: rv10-list@matronics.com
> > Subject: Re: RV10-List: Re: Horizontal Stabilizer bolts loose at annual
> >
> >
> > Big mistake. If you do that, and the nuts loosen, it'll fall
> > right out. That's why all bolts are IN, DOWN, AFT on their
> > direction.
> >
> > Tim Olson - RV-10 N104CD
> > do not archive
> >
> >
> > On 9/8/2011 10:13 AM, AirMike wrote:
> > >
> > > I suspect that:
> > > 1. Vibration loosened the nuts. Or
> > > 2. Vans has you install the bolts - top down with the nuts on the
> underside.
> > > Thinking about it now, this might be wrong. I obviously torqued
> the assembly from the top. Not the best way to do it. You do not get
> an accurate torque value. If I were building again -bolts bottom-up.
> That way you can torque the nuts precisely.
> > > 3. Some combination of inaccurate torque and vibration.
> > >
> > > --------
> > > See you OSH '11
> > > Q/B - flying 1 yr+
> > >
> > >
> > >
> > >
> > > Read this topic online here:
> > >
> > > http://forums.matronics.com/viewtopic.php?p=351733#351733
> ======================
> &g===============
> >
> >
> >
> *
>
>
> *
Message 7
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| Subject: | Re: Horizontal Stabilizer bolts loose at annual |
Hi Tim,
You've got "do not archive" on this one. I think it should be archived
in big bold print.
Jeff Carpenter
40304
On Sep 8, 2011, at 8:40 AM, Tim Olson wrote:
>
> Big mistake. If you do that, and the nuts loosen, it'll fall
> right out. That's why all bolts are IN, DOWN, AFT on their
> direction.
>
> Tim Olson - RV-10 N104CD
> do not archive
>
>
> On 9/8/2011 10:13 AM, AirMike wrote:
>> --> RV10-List message posted by: "AirMike"<Mikeabel@Pacbell.net>
>>
>> I suspect that:
>> 1. Vibration loosened the nuts. Or
>> 2. Vans has you install the bolts - top down with the nuts on the
>> underside.
>> Thinking about it now, this might be wrong. I obviously torqued the
>> assembly from the top. Not the best way to do it. You do not get an
>> accurate torque value. If I were building again -bolts bottom-up.
>> That way you can torque the nuts precisely.
>> 3. Some combination of inaccurate torque and vibration.
>>
>> --------
>> See you OSH '11
>> Q/B - flying 1 yr+
>>
>>
>>
>>
>> Read this topic online here:
>>
>> http://forums.matronics.com/viewtopic.php?p=351733#351733
>>
>
>
Message 8
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| Subject: | Re: Horizontal Stabilizer bolts loose at annual |
I was thinking about a hybrid approach. Drilled bolts, locked torque nuts, b
ut a cotter key through the bolt just to keep the nut from being able to bac
k off......
Phil
On Sep 8, 2011, at 11:09 AM, Linn Walters <pitts_pilot@bellsouth.net> wrote:
> The problem with castle nuts is most of the time they can't meet the torqu
e spec. Either too high or too low, but seldom right on.
> This is the first time I've heard of 'loose' fasteners, and I really appre
ciate Mike stepping up and letting us know. He does have a point on torquin
g the head of the bolt rather than the nut. Not the best solution, but shou
ld have been close enough. As more -10s go through conditional inspections a
nd the bolts get looked at we'll know if this is an anomaly or not.
> Just my two pennies.
> Linn
>
> On 9/8/2011 11:53 AM, Danny Riggs wrote:
>>
>> Soooo,
>> What is the theory about substituting castle nuts and locking pins? Any g
ood reason not to do so on these critical areas????
>>
>> > Date: Thu, 8 Sep 2011 10:40:25 -0500
>> > From: Tim@myrv10.com
>> > To: rv10-list@matronics.com
>> > Subject: Re: RV10-List: Re: Horizontal Stabilizer bolts loose at annual
>> >
>> >
>> > Big mistake. If you do that, and the nuts loosen, it'll fall
>> > right out. That's why all bolts are IN, DOWN, AFT on their
>> > direction.
>> >
>> > Tim Olson - RV-10 N104CD
>> > do not archive
>> >
>> >
>> > On 9/8/2011 10:13 AM, AirMike wrote:
>> > >
>> > > I suspect that:
>> > > 1. Vibration loosened the nuts. Or
>> > > 2. Vans has you install the bolts - top down with the nuts on the und
erside.
>> > > Thinking about it now, this might be wrong. I obviously torqued the a
ssembly from the top. Not the best way to do it. You do not get an accurate t
orque value. If I were building again -bolts bottom-up. That way you can tor
que the nuts precisely.
>> > > 3. Some combination of inaccurate torque and vibration.
>> > >
>> > > --------
>> > > See you OSH '11
>> > > Q/B - flying 1 yr+
>> > >
>> > >
>> > >
>> > >
>> > > Read this topic online here:
>> > >
>> > > http://forums.matronics.com/viewtopic.php?p=351733#351733
>> ======================
>> &g===============
>> >
>> >
>> >
>>
>>
>>
>
>
>
==========================
=========
==========================
=========
==========================
=========
==========================
=========
>
Message 9
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| Subject: | Re: Horizontal Stabilizer bolts loose at annual |
Install HiLocs
_____
From: owner-rv10-list-server@matronics.com
[mailto:owner-rv10-list-server@matronics.com] On Behalf Of Phil Perry
Sent: Thursday, September 08, 2011 9:24 AM
Subject: Re: RV10-List: Re: Horizontal Stabilizer bolts loose at annual
I was thinking about a hybrid approach. Drilled bolts, locked torque nuts,
but a cotter key through the bolt just to keep the nut from being able to
back off......
Phil
On Sep 8, 2011, at 11:09 AM, Linn Walters <pitts_pilot@bellsouth.net> wrote:
The problem with castle nuts is most of the time they can't meet the torque
spec. Either too high or too low, but seldom right on.
This is the first time I've heard of 'loose' fasteners, and I really
appreciate Mike stepping up and letting us know. He does have a point on
torquing the head of the bolt rather than the nut. Not the best solution,
but should have been close enough. As more -10s go through conditional
inspections and the bolts get looked at we'll know if this is an anomaly or
not.
Just my two pennies.
Linn
On 9/8/2011 11:53 AM, Danny Riggs wrote:
Soooo,
What is the theory about substituting castle nuts and locking pins? Any good
reason not to do so on these critical areas????
> Date: Thu, 8 Sep 2011 10:40:25 -0500
> From: <mailto:Tim@myrv10.com> Tim@myrv10.com
> To: <mailto:rv10-list@matronics.com> rv10-list@matronics.com
> Subject: Re: RV10-List: Re: Horizontal Stabilizer bolts loose at annual
>
<Tim@myrv10.com>
>
> Big mistake. If you do that, and the nuts loosen, it'll fall
> right out. That's why all bolts are IN, DOWN, AFT on their
> direction.
>
> Tim Olson - RV-10 N104CD
> do not archive
>
>
> On 9/8/2011 10:13 AM, AirMike wrote:
<Mikeabel@Pacbell.net>
> >
> > I suspect that:
> > 1. Vibration loosened the nuts. Or
> > 2. Vans has you install the bolts - top down with the nuts on the
underside.
> > Thinking about it now, this might be wrong. I obviously torqued the
assembly from the top. Not the best way to do it. You do not get an accurate
torque value. If I were building again -bolts bottom-up. That way you can
torque the nuts precisely.
> > 3. Some combination of inaccurate torque and vibration.
> >
> > --------
> > See you OSH '11
> > Q/B - flying 1 yr+
> >
> >
> >
> >
> > Read this topic online here:
> >
> > <http://forums.matronics.com/viewtopic.php?p=351733#351733>
http://forums.matronics.com/viewtopic.php?p=351733#351733
======================
&g===============
>
>
>
Message 10
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| Subject: | Re: Horizontal Stabilizer bolts loose at annual |
Speaking of annuals, dose anybody have a list generated for a step by step
procedure? And of course mine is due as to why I am inquiring.=0A=0A=0AFrom
: Linn Walters <pitts_pilot@bellsouth.net>=0ATo: rv10-list@matronics.com=0A
Sent: Thursday, September 8, 2011 9:09 AM=0ASubject: Re: RV10-List: Re: Hor
izontal Stabilizer bolts loose at annual=0A=0A=0AThe problem with castle nu
ts is most of the time they can't meet the torque spec.- Either too high
or too low, but seldom right on.=0AThis is the first time I've heard of 'lo
ose' fasteners, and I really appreciate Mike stepping up and letting us kno
w.- He does have a point on torquing the head of the bolt rather than the
nut.- Not the best solution, but should have been close enough.- As mo
re -10s go through conditional inspections and the bolts get looked at we'l
l know if this is an anomaly or not.=0AJust my two pennies.=0ALinn=0A=0AOn
9/8/2011 11:53 AM, Danny Riggs wrote: =0ASoooo,=0A>What is the theory about
substituting castle nuts and locking pins? Any good reason not to do so on
these critical areas????=0A>=0A>=0A>> Date: Thu, 8 Sep 2011 10:40:25 -0500
=0A>> From: Tim@myrv10.com=0A>> To: rv10-list@matronics.com=0A>> Subject: R
e: RV10-List: Re: Horizontal Stabilizer bolts loose at annual=0A>> =0A>> --
stake. If you do that, and the nuts loosen, it'll fall=0A>> right out. That
's why all bolts are IN, DOWN, AFT on their=0A>> direction.=0A>> =0A>> Tim
Olson - RV-10 N104CD=0A>> do not archive=0A>> =0A>> =0A>> On 9/8/2011 10:13
bel@Pacbell.net>=0A>> >=0A>> > I suspect that:=0A>> > 1. Vibration loosened
the nuts. Or=0A>> > 2. Vans has you install the bolts - top down with the
nuts on the underside.=0A>> > Thinking about it now, this might be wrong. I
obviously torqued the assembly from the top. Not the best way to do it. Yo
u do not get an accurate torque value. If I were building again -bolts bott
om-up. That way you can torque the nuts precisely.=0A>> > 3. Some combinati
on of inaccurate torque and vibration.=0A>> >=0A>> > --------=0A>> > See yo
u OSH '11=0A>> > Q/B - flying 1 yr+=0A>> >=0A>> >=0A>> >=0A>> >=0A>> > Read
this topic online here:=0A>> >=0A>> > http://forums.matronics.com/viewtopi
c.php?p=351733#351733=0A>================
========0A>&g================
====================
Message 11
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| Subject: | Re: Horizontal Stabilizer bolts loose at annual |
One thing Van's does that I just don't agree with is their use of locknuts
on rotating assemblies (like aileron hinges). AC 43.13 most definitely
requires castle nuts and cotter pins in such locations. Locknuts can and
will loosen if rotated enough.
Jack Philliips
#40610
Raleigh, NC
_____
From: owner-rv10-list-server@matronics.com
[mailto:owner-rv10-list-server@matronics.com] On Behalf Of Danny Riggs
Sent: Thursday, September 08, 2011 11:53 AM
Subject: RE: RV10-List: Re: Horizontal Stabilizer bolts loose at annual
Soooo,
What is the theory about substituting castle nuts and locking pins? Any good
reason not to do so on these critical areas????
> Date: Thu, 8 Sep 2011 10:40:25 -0500
> From: Tim@myrv10.com
> To: rv10-list@matronics.com
> Subject: Re: RV10-List: Re: Horizontal Stabilizer bolts loose at annual
>
>
> Big mistake. If you do that, and the nuts loosen, it'll fall
> right out. That's why all bolts are IN, DOWN, AFT on their
> direction.
>
> Tim Olson - RV-10 N104CD
> do not archive
>
>
> On 9/8/2011 10:13 AM, AirMike wrote:
> >
> > I suspect that:
> > 1. Vibration loosened the nuts. Or
> > 2. Vans has you install the bolts - top down with the nuts on the
underside.
> > Thinking about it now, this might be wrong. I obviously torqued the
assembly from the top. Not the best way to do it. You do not get an accurate
torque value. If I were building again -bolts bottom-up. That way you can
torque the nuts precisely.
> > 3. Some combination of inaccurate torque and vibration.
> >
> > --------
> > See you OSH '11
> > Q/B - flying 1 yr+
> >
> >
> >
> >
> > Read this topic online here:
> >
> > http://forums.matronics.com/viewtopic.php?p=351733#351733
======================
&g===============
>
>
>
Message 12
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| Subject: | Re: Horizontal Stabilizer bolts loose at annual |
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Message 13
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| Subject: | Re: Horizontal Stabilizer bolts loose at annual |
The latest product is castle nuts that are also self locking.
Available from usual sources. On the road, so don't have the MS number
handy. They are specifically for use on all control hinges and other
places like push pull tube bellcranks.
On Thu, Sep 8, 2011 at 12:16 PM, Jack Phillips <pietflyr@bellsouth.net> wrote:
> One thing Vans does that I just dont agree with is their use of locknuts
> on rotating assemblies (like aileron hinges). AC 43.13 most definitely
> requires castle nuts and cotter pins in such locations. Locknuts can and
> will loosen if rotated enough.
>
>
> Jack Philliips
>
> #40610
>
> Raleigh, NC
>
>
> ________________________________
>
> From: owner-rv10-list-server@matronics.com
> [mailto:owner-rv10-list-server@matronics.com] On Behalf Of Danny Riggs
> Sent: Thursday, September 08, 2011 11:53 AM
>
> To: rv10-list@matronics.com
> Subject: RE: RV10-List: Re: Horizontal Stabilizer bolts loose at annual
>
>
> Soooo,
> What is the theory about substituting castle nuts and locking pins? Any good
> reason not to do so on these critical areas????
>
>> Date: Thu, 8 Sep 2011 10:40:25 -0500
>> From: Tim@myrv10.com
>> To: rv10-list@matronics.com
>> Subject: Re: RV10-List: Re: Horizontal Stabilizer bolts loose at annual
>>
>>
>> Big mistake. If you do that, and the nuts loosen, it'll fall
>> right out. That's why all bolts are IN, DOWN, AFT on their
>> direction.
>>
>> Tim Olson - RV-10 N104CD
>> do not archive
>>
>>
>> On 9/8/2011 10:13 AM, AirMike wrote:
>> >
>> > I suspect that:
>> > 1. Vibration loosened the nuts. Or
>> > 2. Vans has you install the bolts - top down with the nuts on the
>> > underside.
>> > Thinking about it now, this might be wrong. I obviously torqued the
>> > assembly from the top. Not the best way to do it. You do not get an accurate
>> > torque value. If I were building again -bolts bottom-up. That way you can
>> > torque the nuts precisely.
>> > 3. Some combination of inaccurate torque and vibration.
>> >
>> > --------
>> > See you OSH '11
>> > Q/B - flying 1 yr+
>> >
>> >
>> >
>> >
>> > Read this topic online here:
>> >
>> > http://forums.matronics.com/viewtopic.php?p=351733#351733
> ======================
> &g===============
>>
>>
>>
>
>
> http://www.matronics.com/Navigator?RV10-List
>
> http://forums.matronics.com
>
> http://www.matronics.com/contribution
>
>
Message 14
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| Subject: | Re: Horizontal Stabilizer bolts loose at annual |
Man thats a great idea. I will have to do that. Just because the castle
nut is used it will no cause the bolt to be the pivot point as long as the
nut is properly torched and confirmed tight.
John Cumins
President
707-425-7100
707-425-7576 Fax
-----Original Message-----
From: owner-rv10-list-server@matronics.com
[mailto:owner-rv10-list-server@matronics.com] On Behalf Of Kelly McMullen
Sent: Thursday, September 08, 2011 4:45 PM
Subject: Re: RV10-List: Re: Horizontal Stabilizer bolts loose at annual
The latest product is castle nuts that are also self locking.
Available from usual sources. On the road, so don't have the MS number
handy. They are specifically for use on all control hinges and other places
like push pull tube bellcranks.
On Thu, Sep 8, 2011 at 12:16 PM, Jack Phillips <pietflyr@bellsouth.net>
wrote:
> One thing Vans does that I just dont agree with is their use of
> locknuts on rotating assemblies (like aileron hinges). AC 43.13 most
> definitely requires castle nuts and cotter pins in such locations.
> Locknuts can and will loosen if rotated enough.
>
>
> Jack Philliips
>
> #40610
>
> Raleigh, NC
>
>
> ________________________________
>
> From: owner-rv10-list-server@matronics.com
> [mailto:owner-rv10-list-server@matronics.com] On Behalf Of Danny Riggs
> Sent: Thursday, September 08, 2011 11:53 AM
>
> To: rv10-list@matronics.com
> Subject: RE: RV10-List: Re: Horizontal Stabilizer bolts loose at
> annual
>
>
> Soooo,
> What is the theory about substituting castle nuts and locking pins?
> Any good reason not to do so on these critical areas????
>
>> Date: Thu, 8 Sep 2011 10:40:25 -0500
>> From: Tim@myrv10.com
>> To: rv10-list@matronics.com
>> Subject: Re: RV10-List: Re: Horizontal Stabilizer bolts loose at
>> annual
>>
>>
>> Big mistake. If you do that, and the nuts loosen, it'll fall right
>> out. That's why all bolts are IN, DOWN, AFT on their direction.
>>
>> Tim Olson - RV-10 N104CD
>> do not archive
>>
>>
>> On 9/8/2011 10:13 AM, AirMike wrote:
>> >
>> > I suspect that:
>> > 1. Vibration loosened the nuts. Or
>> > 2. Vans has you install the bolts - top down with the nuts on the
>> > underside.
>> > Thinking about it now, this might be wrong. I obviously torqued the
>> > assembly from the top. Not the best way to do it. You do not get an
>> > accurate torque value. If I were building again -bolts bottom-up.
>> > That way you can torque the nuts precisely.
>> > 3. Some combination of inaccurate torque and vibration.
>> >
>> > --------
>> > See you OSH '11
>> > Q/B - flying 1 yr+
>> >
>> >
>> >
>> >
>> > Read this topic online here:
>> >
>> > http://forums.matronics.com/viewtopic.php?p=351733#351733
> ======================
> &g===============
>>
>>
>>
>
>
> http://www.matronics.com/Navigator?RV10-List
>
> http://forums.matronics.com
>
> http://www.matronics.com/contribution
>
>
Message 15
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| Subject: | Re: Horizontal Stabilizer bolts loose at annual |
Hi Kelley
I have been reading this thread with interest. On the recommendation of an AME
(Cdn A&P) I have replaced a few of the critical nylocs with self locking castles.
Cheers
Les
Sent from my iPhone
On 2011-09-08, at 4:45 PM, Kelly McMullen <apilot2@gmail.com> wrote:
>
> The latest product is castle nuts that are also self locking.
> Available from usual sources. On the road, so don't have the MS number
> handy. They are specifically for use on all control hinges and other
> places like push pull tube bellcranks.
>
>
> On Thu, Sep 8, 2011 at 12:16 PM, Jack Phillips <pietflyr@bellsouth.net> wrote:
>> One thing Vans does that I just dont agree with is their use of locknuts
>> on rotating assemblies (like aileron hinges). AC 43.13 most definitely
>> requires castle nuts and cotter pins in such locations. Locknuts can and
>> will loosen if rotated enough.
>>
>>
>>
>> Jack Philliips
>>
>> #40610
>>
>> Raleigh, NC
>>
>>
>>
>> ________________________________
>>
>> From: owner-rv10-list-server@matronics.com
>> [mailto:owner-rv10-list-server@matronics.com] On Behalf Of Danny Riggs
>> Sent: Thursday, September 08, 2011 11:53 AM
>>
>> To: rv10-list@matronics.com
>> Subject: RE: RV10-List: Re: Horizontal Stabilizer bolts loose at annual
>>
>>
>>
>> Soooo,
>> What is the theory about substituting castle nuts and locking pins? Any good
>> reason not to do so on these critical areas????
>>
>>> Date: Thu, 8 Sep 2011 10:40:25 -0500
>>> From: Tim@myrv10.com
>>> To: rv10-list@matronics.com
>>> Subject: Re: RV10-List: Re: Horizontal Stabilizer bolts loose at annual
>>>
>>>
>>> Big mistake. If you do that, and the nuts loosen, it'll fall
>>> right out. That's why all bolts are IN, DOWN, AFT on their
>>> direction.
>>>
>>> Tim Olson - RV-10 N104CD
>>> do not archive
>>>
>>>
>>> On 9/8/2011 10:13 AM, AirMike wrote:
>>>>
>>>> I suspect that:
>>>> 1. Vibration loosened the nuts. Or
>>>> 2. Vans has you install the bolts - top down with the nuts on the
>>>> underside.
>>>> Thinking about it now, this might be wrong. I obviously torqued the
>>>> assembly from the top. Not the best way to do it. You do not get an accurate
>>>> torque value. If I were building again -bolts bottom-up. That way you can
>>>> torque the nuts precisely.
>>>> 3. Some combination of inaccurate torque and vibration.
>>>>
>>>> --------
>>>> See you OSH '11
>>>> Q/B - flying 1 yr+
>>>>
>>>>
>>>>
>>>>
>>>> Read this topic online here:
>>>>
>>>> http://forums.matronics.com/viewtopic.php?p=351733#351733
>> ======================
>> &g===============
>>>
>>>
>>>
>>
>>
>>
>>
>>
>> http://www.matronics.com/Navigator?RV10-List
>>
>> http://forums.matronics.com
>>
>> http://www.matronics.com/contribution
>>
>>
>>
>>
>>
>
>
>
>
>
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