Today's Message Index:
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1. 10:50 AM - Re: UN Register Me from the 601 XL List (japhillipsga@aol.com)
2. 03:38 PM - Re: Re: UN Register Me from the 601 XL List (William Slaughter)
3. 07:35 PM - Re: Bolt Hole Clearance - Elevator Horn (Speedy11@aol.com)
4. 08:10 PM - Re: Re: Bolt Hole Clearance - Elevator Horn (Michael Kraus)
Message 1
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Subject: | Re: UN Register Me from the 601 XL List |
Please remove me from whatever list continues to send me e-mails concerning any
zenith airplane product. Thanks, Bill Phillips
-----Original Message-----
From: RV8-List Digest Server <rv8-list@matronics.com>
Sent: Mon, Jun 15, 2009 2:58 am
Subject: RV8-List Digest: 2 Msgs - 06/14/09
*
=================================================
Online Versions of Today's List Digest Archive
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Today's complete RV8-List Digest can also be found in either of the
two Web Links listed below. The .html file includes the Digest formatted
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HTML Version:
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RV8-List Digest Archive
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Total Messages Posted Sun 06/14/09: 2
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Today's Message Index:
----------------------
1. 08:51 PM - Bolt Hole Clearance - Elevator Horn (Garey Wittich)
2. 09:20 PM - Re: Bolt Hole Clearance - Elevator Horn (Brian Huffaker)
________________________________ Message 1 _____________________________________
Time: 08:51:49 PM PST US
From: Garey Wittich <gareywittich2000@yahoo.com>
Subject: RV8-List: Bolt Hole Clearance - Elevator Horn
REF: -Regarding the 1/4 inch bolt holes in the Elevator Control Horns, ab
out which the Left & Right Elevator Horns rotate on the center Hinge Bearin
g fastened to the center of the Horiz Stabilizer.
After drilling these 1/4 inch diameter holes (for the AN4 Bolt), these hole
s are too close to the weld fillet that welds the torque tube to the perpen
dicular part of the Horn. -The w
eld fillets on my L & R Horns go ALL the
way around the Tube. Thus the AN4 Bolt HEAD and corresponding Nut HEAD will
come in contact with the "weld fillet" BEFORE they are tightened. --
- After reading the "Archieves" for possible solutions and some of my own
thoughts it seems the options are (looking for the BEST Option):
1) Die Grind the weld fillet in the area where the Bolt and Nut heads will
be, then spot prime with Zinc Chromate.
2) -Grind the weld fillet where the Nut Head will be and then use a reduc
ed size Nut (MS21042-4) that has a smaller diameter than the -one supplie
d by Vans.
3) -Use regular AN960 Washers and "contour them" to fit over the weld fil
let so Bolt Head and Nut fit snug against them. -(Will need a longer Bolt
than supplied by Vans.)
4) -Make a "thick" washer out of stainless steel (i.e. 1/8" thick) and "c
ontour it" to fit over the weld fillets; thus the Bolt and Nut heads have a
flat surface to tighten against. -Again a longer Bolt will be required.
-<----- Seems the BEST approach to me. - Any subtle issues involved ???
How did YOU handle this situation ???????
Appreciate your comments !!!
Thanks, - Garey Wittich - Santa Monica, CA=0A=0A=0A
________________________________ Message 2 _____________________________________
Time: 09:20:01 PM PST US
From: Brian Huffaker <bifft@xmission.com>
Subject: Re: RV8-List: Bolt Hole Clearance - Elevator Horn
On Sun, 14 Jun 2009, Garey Wittich wrote:
> - After reading the "Archieves" for possible solutions and some of my
>own thoughts it seems the options are (looking for the BEST Option):
> 1) Die Grind the weld fillet in the area where the Bolt and Nut heads
>will be, then spot prime with Zinc Chromate.
>> 2) -Grind the weld fillet where the Nut Head will be and then use a
>reduced size Nut (MS21042-4) that has a smaller diameter than the -one
>supplied by Vans.
I believe that grinding away the fillet on a structural weld is a bad
idea, leaves a stress riser and weakens the part. Van is pretty good at
only using steel where
absolutely needed for strength so I doubt there is
enough extra to remove this safely.
> 3) -Use regular AN960 Washers and "contour them" to fit over the weld
>fillet so Bolt Head and Nut fit snug against them. -(Will need a longer
>Bolt than supplied by Vans.)
> 4) -Make a "thick" washer out of stainless steel (i.e. 1/8" thick) and
>"contour it" to fit over the weld fillets; thus the Bolt and Nut heads
>have a flat surface to tighten against. -Again a longer Bolt will be
>required. -<----- Seems the BEST approach to me. - Any subtle issues
>involved ???
Either of these sound good to me.
> How did YOU handle this situation ???????
Just checked my parts, my hole is close, but it has enough space for a
washer and bolt head between this hole and the weld.
Brian Huffaker, DSWL (bifft@xmission.com)
RV-8A 80091 Fitting canopy latch.
1/4 Starduster II N23UT flying
<pre><b><font size=2 color="#000000" face="courier new,courier">
</b></font></pre>
Message 2
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Subject: | Re: UN Register Me from the 601 XL List |
Scroll down. The unsubscribe directions are at the bottom of this (and all
of the other) messages. It's do-it-yourself.
From: owner-rv8-list-server@matronics.com
[mailto:owner-rv8-list-server@matronics.com] On Behalf Of
japhillipsga@aol.com
Sent: Monday, June 15, 2009 12:45 PM
Subject: RV8-List: Re: UN Register Me from the 601 XL List
Please remove me from whatever list continues to send me e-mails concerning
any zenith airplane product. Thanks, Bill Phillips
-----Original Message-----
From: RV8-List Digest Server <rv8-list@matronics.com>
Sent: Mon, Jun 15, 2009 2:58 am
Subject: RV8-List Digest: 2 Msgs - 06/14/09
*
=================================================
Online Versions of Today's List Digest Archive
=================================================
Today's complete RV8-List Digest can also be found in either of the
two Web Links listed below. The .html file includes the Digest formatted
in HTML for viewing with a web browser and features Hyperlinked Indexes
and Message Navigation. The .txt file includes the plain ASCII version
of the RV8-List Digest and can be viewed with a generic text editor
such as Notepad or with a web browser.
HTML Version:
http://www.matronics.com/digest/digestview.php?Style=82701
<http://www.matronics.com/digest/digestview.php?Style=82701&View=html&Chapte
r 09-06-14&Archive=RV8> &View=html&Chapter 09-06-14&Archive=RV8
Text Version:
http://www.matronics.com/digest/digestview.php?Style=82701
<http://www.matronics.com/digest/digestview.php?Style=82701&View=txt&Chapter
09-06-14&Archive=RV8> &View=txt&Chapter 09-06-14&Archive=RV8
===============================================
EMail Version of Today's List Digest Archive
===============================================
----------------------------------------------------------
RV8-List Digest Archive
---
Total Messages Posted Sun 06/14/09: 2
----------------------------------------------------------
Today's Message Index:
----------------------
1. 08:51 PM - Bolt Hole Clearance - Elevator Horn (Garey Wittich)
2. 09:20 PM - Re: Bolt Hole Clearance - Elevator Horn (Brian Huffaker)
________________________________ Message 1
_____________________________________
Time: 08:51:49 PM PST US
From: Garey Wittich <gareywittich2000@yahoo.com>
Subject: RV8-List: Bolt Hole Clearance - Elevator Horn
REF: -Regarding the 1/4 inch bolt holes in the Elevator Control Horns, ab
out which the Left & Right Elevator Horns rotate on the center Hinge Bearin
g fastened to the center of the Horiz Stabilizer.
After drilling these 1/4 inch diameter holes (for the AN4 Bolt), these hole
s are too close to the weld fillet that welds the torque tube to the perpen
dicular part of the Horn. -The weld fillets on my L & R Horns go ALL the
way around the Tube. Thus the AN4 Bolt HEAD and corresponding Nut HEAD will
come in contact with the "weld fillet" BEFORE they are tightened. --
- After reading the "Archieves" for possible solutions and some of my own
thoughts it seems the options are (looking for the BEST Option):
1) Die Grind the weld fillet in the area where the Bolt and Nut heads will
be, then spot prime with Zinc Chromate.
2) -Grind the weld fillet where the Nut Head will be and then use a reduc
ed size Nut (MS21042-4) that has a smaller diameter than the -one supplie
d by Vans.
3) -Use regular AN960 Washers and "contour them" to fit over the weld fil
let so Bolt Head and Nut fit snug against them. -(Will need a longer Bolt
than supplied by Vans.)
4) -Make a "thick" washer out of stainless steel (i.e. 1/8" thick) and "c
ontour it" to fit over the weld fillets; thus the Bolt and Nut heads have a
flat surface to tighten against. -Again a longer Bolt will be required.
-<----- Seems the BEST approach to me. - Any subtle issues involved ???
How did YOU handle this situation ???????
Appreciate your comments !!!
Thanks, - Garey Wittich - Santa Monica, CA=0A=0A=0A
________________________________ Message 2
_____________________________________
Time: 09:20:01 PM PST US
From: Brian Huffaker <bifft@xmission.com>
Subject: Re: RV8-List: Bolt Hole Clearance - Elevator Horn
On Sun, 14 Jun 2009, Garey Wittich wrote:
> - After reading the "Archieves" for possible solutions and some of my
>own thoughts it seems the options are (looking for the BEST Option):
> 1) Die Grind the weld fillet in the area where the Bolt and Nut heads
>will be, then spot prime with Zinc Chromate.
>> 2) -Grind the weld fillet where the Nut Head will be and then use a
>reduced size Nut (MS21042-4) that has a smaller diameter than the -one
>supplied by Vans.
I believe that grinding away the fillet on a structural weld is a bad
idea, leaves a stress riser and weakens the part. Van is pretty good at
only using steel where absolutely needed for strength so I doubt there is
enough extra to remove this safely.
> 3) -Use regular AN960 Washers and "contour them" to fit over the weld
>fillet so Bolt Head and Nut fit snug against them. -(Will need a longer
>Bolt than supplied by Vans.)
> 4) -Make a "thick" washer out of stainless steel (i.e. 1/8" thick) and
>"contour it" to fit over the weld fillets; thus the Bolt and Nut heads
>have a flat surface to tighten against. -Again a longer Bolt will be
>required. -<----- Seems the BEST approach to me. - Any subtle issues
>involved ???
Either of these sound good to me.
> How did YOU handle this situation ???????
Just checked my parts, my hole is close, but it has enough space for a
washer and bolt head between this hole and the weld.
Brian Huffaker, DSWL (bifft@xmission.com)
RV-8A 80091 Fitting canopy latch.
1/4 Starduster II N23UT flying
<pre><b><font size=2 color="#000000" face="courier new,courier">
</b></font></pre>
Message 3
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Subject: | Re: Bolt Hole Clearance - Elevator Horn |
Garey,
I read your post and went out to the hangar and checked my elevator horn.
My bolt head and nut were clear of the weld, but just barely.
I think I'd go with option 3 or 4. I'd try one and if it didn't work out
I'd try the other. I don't think I'd grind away any of the weld.
Stan Sutterfield
Flying in a couple of weeks.
REF: -Regarding the 1/4 inch bolt holes in the Elevator Control Horns, ab
out which the Left & Right Elevator Horns rotate on the center Hinge
Bearin
g fastened to the center of the Horiz Stabilizer.
After drilling these 1/4 inch diameter holes (for the AN4 Bolt), these hole
s are too close to the weld fillet that welds the torque tube to the perpen
dicular part of the Horn. -The weld fillets on my L & R Horns go ALL the
way around the Tube. Thus the AN4 Bolt HEAD and corresponding Nut HEAD
will
come in contact with the "weld fillet" BEFORE they are tightened
**************An Excellent Credit Score is 750. See Yours in Just 2 Easy
Steps!
eExcfooterNO62)
Message 4
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Subject: | Re: Bolt Hole Clearance - Elevator Horn |
On my RV-4 I ground a bit of the bolt head away. On the nut side I
did not have to modify....
-Mike
Sent from my iPhone
On Jun 15, 2009, at 10:27 PM, Speedy11@aol.com wrote:
> Garey,
> I read your post and went out to the hangar and checked my elevator
> horn. My bolt head and nut were clear of the weld, but just barely.
> I think I'd go with option 3 or 4. I'd try one and if it didn't
> work out I'd try the other. I don't think I'd grind away any of the
> weld.
> Stan Sutterfield
> Flying in a couple of weeks.
>
> REF: -Regarding the 1/4 inch bolt holes in the Elevator Control
> Horns, ab
> out which the Left & Right Elevator Horns rotate on the center Hinge
> Bearin
> g fastened to the center of the Horiz Stabilizer.
> After drilling these 1/4 inch diameter holes (for the AN4 Bolt),
> these hole
> s are too close to the weld fillet that welds the torque tube to the
> perpen
> dicular part of the Horn. -The weld fillets on my L & R Horns go ALL
> the
> way around the Tube. Thus the AN4 Bolt HEAD and corresponding Nut
> HEAD will
> come in contact with the "weld fillet" BEFORE they are tightened
>
>
> An Excellent Credit Score367215/aol?redir=http://www.freecreditreport.com/pm/default.aspx?sc=668072%26hmpgID=62%26bcd=JuneExcfooterNO62
> >See Yours in Just 2 Easy Steps!
>
>
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