Today's Message Index:
----------------------
1. 03:04 AM - grand rapids EIS for Jab 3300 (chris Sinfield)
2. 04:34 AM - Re: grand rapids EIS for Jab 3300 (Paul Mulwitz)
3. 07:11 AM - Re: grand rapids EIS for Jab 3300 (Michel Therrien)
4. 07:21 AM - 601 xl nose wheel fork dimension (Michel Therrien)
5. 07:21 AM - Re: rudder bearing play (Michel Therrien)
6. 11:25 AM - Re: rudder bearing play (Paul Mulwitz)
7. 11:41 AM - Re: 601 xl nose wheel fork dimension (Sabrina)
8. 12:01 PM - Re: 601 xl nose wheel fork dimension (bryanmmartin)
9. 12:02 PM - Re: Re: 601 xl nose wheel fork dimension (Bryan Martin)
10. 12:03 PM - Re: grand rapids EIS for Jab 3300 (Tonyplane)
11. 12:06 PM - Re: 601 xl nose wheel fork dimension (Sabrina)
12. 01:24 PM - Re: Re: 601 xl nose wheel fork dimension (Michel Therrien)
13. 01:47 PM - Re: Re: 601 xl nose wheel fork dimension (Malcolm Hunt)
14. 03:24 PM - Re: rudder bearing play (Mark Hubelbank)
15. 03:54 PM - Re: rudder bearing play (Paul Mulwitz)
16. 03:56 PM - Re: rudder bearing play (JohnDRead@aol.com)
17. 03:58 PM - Re: Re: 601 xl nose wheel fork dimension (JohnDRead@aol.com)
18. 05:34 PM - Re: rudder bearing play (Paul Mulwitz)
19. 05:48 PM - Re: Re: 601 xl nose wheel fork dimension (mtherr@yahoo.com)
20. 07:01 PM - Re: rudder bearing play (Michel Therrien)
21. 07:35 PM - Re: rudder bearing play (Afterfxllc@aol.com)
22. 10:20 PM - Re: rudder bearing play (JohnDRead@aol.com)
23. 10:24 PM - Re: rudder bearing play (JohnDRead@aol.com)
Message 1
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| Subject: | grand rapids EIS for Jab 3300 |
Hi All
Is anyone using the Grand Rapids EIS Jab package EIS-6000J? and are they happy
with it? Just tinking of waht to use with my Jab 3300
Chris..
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=355177#355177
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| Subject: | Re: grand rapids EIS for Jab 3300 |
Hi Chris,
I'm using the Dynon pair (EFIS D100, EMS D120) in my Zodiac XL. I am
very happy with the way these devices work. There have been some
problems, but the company support has been superb. I guess that is one
of the big advantages of going with the company that has some 90 percent
market share.
I bought Dynon's wire harness for the Jabiru 3300 and that turned out to
be a good choice. There were a few questionable readings on my first
use of the EMS, but it was easy to choose different sensor codes to get
what seems like fine readings for all the sensors.
Paul
Camas, WA
On 10/16/2011 3:01 AM, chris Sinfield wrote:
> --> Zenith601-List message posted by: "chris Sinfield"<chris_sinfield@yahoo.com.au>
>
> Hi All
> Is anyone using the Grand Rapids EIS Jab package EIS-6000J? and are they happy
with it? Just tinking of waht to use with my Jab 3300
> Chris..
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=355177#355177
>
>
Message 3
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| Subject: | Re: grand rapids EIS for Jab 3300 |
Not the 6000, but I can say a lot of good about the company. I bought the 2000
model for my water cooled Subaru about 10 years ago. The EIS was my best purchase
in everything I bought for my plane; really liked it.
Earlier this year, I called Sandy and asked her about the Model 4000 for my new
Franklin engine. Well, she took back my 2000, upgraded it (or replaced it as
the new one I received looks new), and she charged me only the cost difference
between the two units. She even supplied new wiring harnesses at no additional
cost and I did not waste a single penny. This is great service!
Michel
Sent from my iPad
On Oct 16, 2011, at 6:01, "chris Sinfield" <chris_sinfield@yahoo.com.au> wrote:
>
> Hi All
> Is anyone using the Grand Rapids EIS Jab package EIS-6000J? and are they happy
with it? Just tinking of waht to use with my Jab 3300
> Chris..
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=355177#355177
>
>
>
>
>
>
>
>
>
>
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| Subject: | 601 xl nose wheel fork dimension |
Can anyone provide me the dimensions of the fork? (height, width) and fork doubler?
Pls, specify if width is from inside or outside the fork. I would like
to start fabrication of shafts and forks today for my new wheels.
Thanks!
Message 5
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| Subject: | Re: rudder bearing play |
Same here. I have seen that some people used bronze bushings on the part that
is fixed on the fuselage. I'd like to do that, but I am nervous about minimum
edge distance.
Michel
Sent from my iPad
On Oct 15, 2011, at 20:54, "mhubel" <mhubel@nemon.com> wrote:
>
> I just noted what I consider excess play in the top rudder bearing in my CH601XL.
It seems the design assumes the metal bushing on the AN3 bolt will not move
against the mounting plates on the rudder.
>
> I plan to fix it with a slightly over sized bushing and hole but I wonder if
many others have noted this.
>
> --------
> Mark Hubelbank
> N708HU
> CH601XL
> Jabiru 3300
> Rotec TBI 40-3 carb
> Sensenich ground adj prop.
> 70 hr TAF
> Pictures at photo.hubbles.com
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=355163#355163
>
>
>
>
>
>
>
>
>
>
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| Subject: | Re: rudder bearing play |
Your comments on this issue got me to look at my rudder mounting.
After only 20 hours of flight I can see measurable wear on the portion
of the top bracket hole at the front (toward the nose) of the hole. I
think the way this "Hinge" is designed the steel tube is rotating
against the aluminum bracket.
I don't know what I will do about this. Perhaps a slightly larger steel
tube pressed into the aluminum will provide a way for the inner tube to
move without removing aluminum. I'm concerned about friction on this
approach, but some axle grease might help.
Paul
Camas, WA
XL through 20 hours of phase I testing
On 10/15/2011 5:54 PM, mhubel wrote:
> --> Zenith601-List message posted by: "mhubel"<mhubel@nemon.com>
>
> I just noted what I consider excess play in the top rudder bearing in my CH601XL.
It seems the design assumes the metal bushing on the AN3 bolt will not move
against the mounting plates on the rudder.
>
> I plan to fix it with a slightly over sized bushing and hole but I wonder if
many others have noted this.
>
> --------
> Mark Hubelbank
> N708HU
> CH601XL
> Jabiru 3300
> Rotec TBI 40-3 carb
> Sensenich ground adj prop.
> 70 hr TAF
> Pictures at photo.hubbles.com
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=355163#355163
>
>
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| Subject: | Re: 601 xl nose wheel fork dimension |
The plans are misleading...
they show the outer dimension of the fork as 150 and the inner dimension of the
doubler as 160.
my fork has an outside dimension of 160mm (nearly 170 counting the doubler) and
an inner dimension 150+
requiring additional shims beyond the two 31mm spacers provided...
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=355214#355214
Attachments:
http://forums.matronics.com//files/a_501.jpg
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| Subject: | Re: 601 xl nose wheel fork dimension |
mtherr(at)yahoo.com wrote:
> Can anyone provide me the dimensions of the fork? (height, width) and fork doubler?
Pls, specify if width is from inside or outside the fork. I would like
to start fabrication of shafts and forks today for my new wheels.
>
> Thanks!
Here's the letter I downloaded.
--------
--
Bryan Martin
N61BM, CH 601 XL, Stratus Subaru.
do not archive.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=355215#355215
Attachments:
http://forums.matronics.com//files/601xl_nose_wheel_fork_letter_888.pdf
Message 9
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| Subject: | Re: 601 xl nose wheel fork dimension |
That's got to be a typo. My original plans (04/01) did not include the doubler.
A letter was sent out via the zenith website by Chris in December of 2004 recommending
that a doubler be added. This PDF file included dimensioned drawings
showing an inside dimension of 150mm for the doubler. There must have been a
typo made when your version of the plans were updated. I would imagine that it
has been corrected since.
I also notice that the drawing you uploaded shows a 3/4" hole for the axle. My
axle is 5/8". I don't know if that is also a typo or if the axle diameter changed
somewhere along the way.
On Oct 16, 2011, at 2:39 PM, Sabrina wrote:
>
> The plans are misleading...
>
> they show the outer dimension of the fork as 150 and the inner dimension of the
doubler as 160.
>
> my fork has an outside dimension of 160mm (nearly 170 counting the doubler) and
an inner dimension 150+
>
> requiring additional shims beyond the two 31mm spacers provided...
>
--
Bryan Martin
N61BM, CH 601 XL,
RAM Subaru, Stratus re-drive.
do not archive.
Message 10
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| Subject: | Re: grand rapids EIS for Jab 3300 |
Chris,
I've used the GrandRapids since first flight in July 2005. Great piece of equipment,
especially with the limits you can set to get a caution light ( from max/
min Cht, egt, oil press, volts (with rpm boundaries), time limits for switching
fuel tanks, max rpm, max fuel flow and low calculated fuel level (with fuel
flow option). Etc etc.
A lot of engine info for the price.
I would use it again if I were to build again. Have had no problems.
Tony Graziano
601XL, jab 3300, N403TG, 635 hrs
Sent from my iPhone
On Oct 16, 2011, at 5:01 AM, "chris Sinfield" <chris_sinfield@yahoo.com.au> wrote:
>
> Hi All
> Is anyone using the Grand Rapids EIS Jab package EIS-6000J? and are they happy
with it? Just tinking of waht to use with my Jab 3300
> Chris..
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=355177#355177
>
>
>
>
>
>
>
>
>
>
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| Subject: | Re: 601 xl nose wheel fork dimension |
My plans are dated August of 2005, or 9 months after the CH letter...
I agree, the letter is less confusing than the plans...
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=355216#355216
Message 12
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| Subject: | Re: 601 xl nose wheel fork dimension |
Thanks all who responded on the list or private... I have the answer now.
=0A-=0AMichel=0Ado not archive=0A-=0A=0A----------------------------=0A
Michel Therrien CH601-HD, C-GZGQ=0Ahttp://mthobby.pcperfect.com/ch601=0Ahtt
p://pages.infinit.net/mthobby=0A=0A=0A________________________________=0AFr
om: Sabrina <chicago2paris@msn.com>=0ATo: zenith601-list@matronics.com=0ASe
nt: Sunday, October 16, 2011 3:04:37 PM=0ASubject: Zenith601-List: Re: 601
brina" <chicago2paris@msn.com>=0A=0AMy plans are dated August of 2005, or 9
months after the CH letter...=0A=0AI agree, the letter is less confusing t
han the plans...=0A=0A=0A=0A=0ARead this topic online here:=0A=0Ahttp://for
===============
Message 13
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| Subject: | Re: 601 xl nose wheel fork dimension |
Dear list can anyone from the CH750 community reading this list provide
similar information for that aircraft as the plans I have the new radiused
fork and I would like to build with the bent forks and doubler - thanks in
advance.
Malcolm Hunt CH601XL builder and contemplating the STOL CH 750
From: owner-zenith601-list-server@matronics.com
[mailto:owner-zenith601-list-server@matronics.com] On Behalf Of Michel
Therrien
Sent: 16 October 2011 21:21
Subject: Re: Zenith601-List: Re: 601 xl nose wheel fork dimension
Thanks all who responded on the list or private... I have the answer now.
Michel
do not archive
----------------------------
Michel Therrien CH601-HD, C-GZGQ
http://mthobby.pcperfect.com/ch601
http://pages.infinit.net/mthobby
From: Sabrina <chicago2paris@msn.com>
Sent: Sunday, October 16, 2011 3:04:37 PM
Subject: Zenith601-List: Re: 601 xl nose wheel fork dimension
My plans are dated August of 2005, or 9 months after the CH letter...
I agree, the letter is less confusing than the plans...
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=355216#355=====================
==http://www.matronics.com/Navigat
<http://forums.matronics.com/viewtopic.php?p=355216#355216> -
MATRONICS WEB FORUMS -<= --> <http://www.matronics.com/contribution>
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Email Forum -
Navigator to browse
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7-Day Browse, Chat, FAQ,
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Message 14
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| Subject: | Re: rudder bearing play |
Paul,
Given what I thought was a design that had the potential to have a
problem here, I am looking at some other solutions. If I find anything
that works, I will post it. I expect to be working on it this week.
On 10/16/2011 2:22 PM, Paul Mulwitz wrote:
>
> Your comments on this issue got me to look at my rudder mounting.
>
> After only 20 hours of flight I can see measurable wear on the portion
> of the top bracket hole at the front (toward the nose) of the hole. I
> think the way this "Hinge" is designed the steel tube is rotating
> against the aluminum bracket.
>
> I don't know what I will do about this. Perhaps a slightly larger
> steel tube pressed into the aluminum will provide a way for the inner
> tube to move without removing aluminum. I'm concerned about friction
> on this approach, but some axle grease might help.
>
> Paul
> Camas, WA
> XL through 20 hours of phase I testing
>
>
> On 10/15/2011 5:54 PM, mhubel wrote:
>> --> Zenith601-List message posted by: "mhubel"<mhubel@nemon.com>
>>
>> I just noted what I consider excess play in the top rudder bearing in
>> my CH601XL. It seems the design assumes the metal bushing on the AN3
>> bolt will not move against the mounting plates on the rudder.
>>
>> I plan to fix it with a slightly over sized bushing and hole but I
>> wonder if many others have noted this.
>>
>> --------
>> Mark Hubelbank
>> N708HU
>> CH601XL
>> Jabiru 3300
>> Rotec TBI 40-3 carb
>> Sensenich ground adj prop.
>> 70 hr TAF
>> Pictures at photo.hubbles.com
>>
>>
>>
>>
>> Read this topic online here:
>>
>> http://forums.matronics.com/viewtopic.php?p=355163#355163
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>
>
--
Mark Hubelbank
NorthEast Monitoring
2 Clock Tower Place
Suite 555
Maynard, MA, 01754 - USA
mhubel@nemon.com
978-443-3955
Message 15
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| Subject: | Re: rudder bearing play |
Hi Mark,
I currently have my rudder and horizontal stabilizer removed. To make a
long story short, before removal the "Chief" mechanic on my field was
looking at it and started moving the stab back and forth. I guess the
tips moved around 1/2 inch from front to rear. I told him I would
tighten the bolts holding it in place and he just laughed saying he
never liked this design. He also said something about how the stab
should be attached with steel instead of aluminum.
After wiggling it and tightening the bolts and wiggling it some more I
took it for a flight. After the flight it seemed to move a little bit
more than before. I decided to take the stab off and take a good look
to try to discover the source of the movement. It became obvious after
removing it and the rudder (it wouldn't come off without taking off the
rudder too) that the mounting brackets (6B3-3, 6b3-4 in current parts
database, 6B1-8 and 6B1-9 in my set of drawings) were bending. I
decided to replace them with steel.
Then this discussion came up and I looked to see significant wear on the
heavy aluminum angle (lower hinge?) for the rudder. This comes as no
surprise since the steel tube is rubbing against aluminum and the rudder
cables tensioned to 25 pounds each provide a 50 pound force grinding the
steel into the aluminum. It must be a real problem for others who have
more than 20 hours on their planes.
My first thought was to get a piece of steel tube just larger than the
current one and press it into the aluminum. Then I heard someone
suggest bronze bushing and looked at McMaster Carr for the material. My
first cut located much larger bushing stock - starting at 1 inch O.D.
with 1/4 inch walls.
For now I am hoping you get a brighter idea than any of mine. I have
not found any aircraft steel angles, and I could put hardware store
steel in there but am reluctant to do that. I guess I could try to bend
a 4130 flat into a right angle but that sounds like a big job - that is
pretty tough stuff.
I anxiously await your own efforts. Perhaps we can find a solution to
this horrible design that actually works well.
Paul
XL 20 hours into phase I testing.
On 10/16/2011 3:20 PM, Mark Hubelbank wrote:
>
> Paul,
> Given what I thought was a design that had the potential to have a
> problem here, I am looking at some other solutions. If I find anything
> that works, I will post it. I expect to be working on it this week.
>
> On 10/16/2011 2:22 PM, Paul Mulwitz wrote:
>>
>> Your comments on this issue got me to look at my rudder mounting.
>>
>> After only 20 hours of flight I can see measurable wear on the
>> portion of the top bracket hole at the front (toward the nose) of the
>> hole. I think the way this "Hinge" is designed the steel tube is
>> rotating against the aluminum bracket.
>>
>> I don't know what I will do about this. Perhaps a slightly larger
>> steel tube pressed into the aluminum will provide a way for the inner
>> tube to move without removing aluminum. I'm concerned about friction
>> on this approach, but some axle grease might help.
>>
>> Paul
>> Camas, WA
>> XL through 20 hours of phase I testing
>>
>>
>> On 10/15/2011 5:54 PM, mhubel wrote:
>>> --> Zenith601-List message posted by: "mhubel"<mhubel@nemon.com>
>>>
>>> I just noted what I consider excess play in the top rudder bearing
>>> in my CH601XL. It seems the design assumes the metal bushing on the
>>> AN3 bolt will not move against the mounting plates on the rudder.
>>>
>>> I plan to fix it with a slightly over sized bushing and hole but I
>>> wonder if many others have noted this.
>>>
>>> --------
>>> Mark Hubelbank
>>> N708HU
>>> CH601XL
>>> Jabiru 3300
>>> Rotec TBI 40-3 carb
>>> Sensenich ground adj prop.
>>> 70 hr TAF
>>> Pictures at photo.hubbles.com
>>>
>>>
>>>
>>>
>>> Read this topic online here:
>>>
>>> http://forums.matronics.com/viewtopic.php?p=355163#355163
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>>
>>
>>
>>
>>
>>
>
Message 16
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| Subject: | Re: rudder bearing play |
I made a design for an Oilite bearing in the Rudder of my CH701. The 4130
steel tube is clamped by the through bolt and rotates in the bearing which
can be replaced if it should wear. I do not like steel in aluminum as a
bearing pair. Picture attached. I did a similar design for all of the rotating
bearings on the wings and stab of the 701. Lubricate at assembly with MoS2
grease. Remember our airplanes are Experimental so use the design at your
own risk.
Regards, John
CH701 - Colorado - Jabiru 3300
Cell: 719-494-4567
Home: 303-648-3261
In a message dated 10/16/2011 12:25:57 P.M. Mountain Daylight Time,
psm@att.net writes:
--> Zenith601-List message posted by: Paul Mulwitz <psm@att.net>
Your comments on this issue got me to look at my rudder mounting.
After only 20 hours of flight I can see measurable wear on the portion
of the top bracket hole at the front (toward the nose) of the hole. I
think the way this "Hinge" is designed the steel tube is rotating
against the aluminum bracket.
I don't know what I will do about this. Perhaps a slightly larger steel
tube pressed into the aluminum will provide a way for the inner tube to
move without removing aluminum. I'm concerned about friction on this
approach, but some axle grease might help.
Paul
Camas, WA
XL through 20 hours of phase I testing
On 10/15/2011 5:54 PM, mhubel wrote:
> --> Zenith601-List message posted by: "mhubel"<mhubel@nemon.com>
>
> I just noted what I consider excess play in the top rudder bearing in my
CH601XL. It seems the design assumes the metal bushing on the AN3 bolt
will not move against the mounting plates on the rudder.
>
> I plan to fix it with a slightly over sized bushing and hole but I
wonder if many others have noted this.
>
> --------
> Mark Hubelbank
> N708HU
> CH601XL
> Jabiru 3300
> Rotec TBI 40-3 carb
> Sensenich ground adj prop.
> 70 hr TAF
> Pictures at photo.hubbles.com
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=355163#355163
>
>
Message 17
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| Subject: | Re: 601 xl nose wheel fork dimension |
If you have the axle that should give you the inside dimension for the
inside doubler fork. One could always look on the drawings too!
Regards, John
CH701 - Colorado - Jabiru 3300
Cell: 719-494-4567
Home: 303-648-3261
In a message dated 10/16/2011 1:01:50 P.M. Mountain Daylight Time,
bryanmmartin@comcast.net writes:
--> Zenith601-List message posted by: "bryanmmartin"
<bryanmmartin@comcast.net>
mtherr(at)yahoo.com wrote:
> Can anyone provide me the dimensions of the fork? (height, width) and
fork doubler? Pls, specify if width is from inside or outside the fork. I
would like to start fabrication of shafts and forks today for my new
wheels.
>
> Thanks!
Here's the letter I downloaded.
--------
--
Bryan Martin
N61BM, CH 601 XL, Stratus Subaru.
do not archive.
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=355215#355215
Attachments:
http://forums.matronics.com//files/601xl_nose_wheel_fork_letter_888.pdf
Message 18
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| Subject: | Re: rudder bearing play |
Hi John,
Thanks for the drawing and comments on the rudder bearings.
I'm not familiar with Oilite or sintered bronze. Can you give me any
clues where to get that stuff and what form it takes? Do I order
bearings or just the material and machine it to my design?
Thanks,
Paul
On 10/16/2011 3:53 PM, JohnDRead@aol.com wrote:
> I made a design for an Oilite bearing in the Rudder of my CH701. The
> 4130 steel tube is clamped by the through bolt and rotates in the
> bearing which can be replaced if it should wear. I do not like steel
> in aluminum as a bearing pair. Picture attached. I did a similar
> design for all of the rotating bearings on the wings and stab of the
> 701. Lubricate at assembly with MoS2 grease. Remember our airplanes
> are /*Experimental*/ so use the design at your own risk.
> Regards, John
>
> CH701 - Colorado - Jabiru 3300
>
> Cell: 719-494-4567
> Home: 303-648-3261
> In a message dated 10/16/2011 12:25:57 P.M. Mountain Daylight Time,
> psm@att.net writes:
>
>
> Your comments on this issue got me to look at my rudder mounting.
>
> After only 20 hours of flight I can see measurable wear on the
> portion
> of the top bracket hole at the front (toward the nose) of the
> hole. I
> think the way this "Hinge" is designed the steel tube is rotating
> against the aluminum bracket.
>
> I don't know what I will do about this. Perhaps a slightly larger
> steel
> tube pressed into the aluminum will provide a way for the inner
> tube to
> move without removing aluminum. I'm concerned about friction on this
> approach, but some axle grease might help.
>
> Paul
> Camas, WA
> XL through 20 hours of phase I testing
>
>
> On 10/15/2011 5:54 PM, mhubel wrote:
> > --> Zenith601-List message posted by: "mhubel"<mhubel@nemon.com>
> >
> > I just noted what I consider excess play in the top rudder
> bearing in my CH601XL. It seems the design assumes the metal
> bushing on the AN3 bolt will not move against the mounting plates
> on the rudder.
> >
> > I plan to fix it with a slightly over sized bushing and hole but
> I wonder if many others have noted this.
> >
> > --------
> > Mark Hubelbank
> > N708HU
> > CH601XL
> > Jabiru 3300
> > Rotec TBI 40-3 carb
> > Sensenich ground adj prop.
> > 70 hr TAF
> > Pictures at photo.hubbles.com
> >
> >
> >
> >
> > Read this topic online here:
> >
> > http://forums.matronics.com/viewtopic.php?p=355163#355163
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
> >
>
>
Message 19
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| Subject: | Re: 601 xl nose wheel fork dimension |
SSBkb24ndC4gIEkgd2lsbCBmYWJyaWNhdGUgdGhlIGF4bGUgdG9vLiAgDQpTZW50IGZyb20gbXkg
QmxhY2tCZXJyeSBkZXZpY2Ugb24gdGhlIFJvZ2VycyBXaXJlbGVzcyBOZXR3b3JrDQoNCi0tLS0t
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OC5wZGYNCg0KDQoNCg0KDQoNCg0KDQoNCg0K
Message 20
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| Subject: | Re: rudder bearing play |
-=0AThis is what I was thinking... What is the edge distance on the beari
ng part that the bushing is installed?- Is there enough aluminum left?=0A
-=0A----------------------------=0AMichel Therrien CH601-HD, C-GZGQ=0Ahtt
p://mthobby.pcperfect.com/ch601=0Ahttp://pages.infinit.net/mthobby=0A=0A=0A
________________________________=0AFrom: "JohnDRead@aol.com" <JohnDRead@aol
.com>=0ATo: zenith601-list@matronics.com=0ASent: Sunday, October 16, 2011 6
:53:07 PM=0ASubject: Re: Zenith601-List: rudder bearing play=0A=0A=0A =0AI
-made a design for an Oilite bearing in the Rudder of my CH701. The =0A41
30 steel tube is clamped by the through bolt and-rotates in the bearing
=0Awhich can be replaced if it should wear. I do not like steel in aluminum
as a =0Abearing pair. Picture attached. I did a similar design for all of
the rotating =0Abearings on the wings and stab of the 701. Lubricate at ass
embly with MoS2 =0Agrease.-Remember our airplanes are Experimental so use
the design at your own risk. =0A=0ARegards, =0AJohn=0A=0ACH701 - Colorado
- Jabiru 3300=0A=0ACell: 719-494-4567=0AHome: =0A303-648-3261 =0A
Message 21
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| Subject: | Re: rudder bearing play |
The best fix for this would be a Bell crank bearing like this
_http://www.aircraftspruce.com/menus/ap/bearings_bellcrank.html_
(http://www.aircraftspruce.com/menus/ap/bearings_bellcrank.html) but you would then have the
rudder too far aft and the rear saddle would look funny. So another fix would
be
to use an Aurora bearing upper and lower like this
_http://www.aircraftspruce.com/menus/ap/bearings_aurora.html_
(http://www.aircraftspruce.com/menus/ap/bearings_aurora.html) But you would have to install a nut plate to the
backside (inside) of the rudder along with a doublers on the outside.
Every 601 I have done upgrades to have had to have the bushings replaced so
the extra effort involved in opening up the rudder would be time well
spent to fix this.
Jeff
Message 22
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| Subject: | Re: rudder bearing play |
Hi Paul,
The manufacturer of the bearings I used for the rudder mod is
Symmco Inc. _www.symmco.com_ (http://www.symmco.com) in Sykesville PA. The
Upper Rudder bearing is p/n SF-812-5 the Lower Rudder bearing is p/n
SF-812-4. You can download their catalog from their web site. I reamed the holes
in the plates to 0.0375, the bearings are 0.377 OD which gives a light
press fit into the plates. The 4130 material supplied by Zenith is a good fit
in the bearings. The bolts are torqued to the normal torque for AN3 bolts.
Regards, John
CH701 - Colorado - Jabiru 3300
Cell: 719-494-4567
Home: 303-648-3261
In a message dated 10/16/2011 6:34:43 P.M. Mountain Daylight Time,
psm@att.net writes:
Hi John,
Thanks for the drawing and comments on the rudder bearings.
I'm not familiar with Oilite or sintered bronze. Can you give me any
clues where to get that stuff and what form it takes? Do I order bearings or
just the material and machine it to my design?
Thanks,
Paul
On 10/16/2011 3:53 PM, _JohnDRead@aol.com_ (mailto:JohnDRead@aol.com)
wrote:
I made a design for an Oilite bearing in the Rudder of my CH701. The 4130
steel tube is clamped by the through bolt and rotates in the bearing which
can be replaced if it should wear. I do not like steel in aluminum as a
bearing pair. Picture attached. I did a similar design for all of the rotating
bearings on the wings and stab of the 701. Lubricate at assembly with MoS2
grease. Remember our airplanes are Experimental so use the design at your
own risk.
Regards, John
CH701 - Colorado - Jabiru 3300
Cell: 719-494-4567
Home: 303-648-3261
In a message dated 10/16/2011 12:25:57 P.M. Mountain Daylight Time,
_psm@att.net_ (mailto:psm@att.net) writes:
(mailto:psm@att.net)
Your comments on this issue got me to look at my rudder mounting.
After only 20 hours of flight I can see measurable wear on the portion
of the top bracket hole at the front (toward the nose) of the hole. I
think the way this "Hinge" is designed the steel tube is rotating
against the aluminum bracket.
I don't know what I will do about this. Perhaps a slightly larger steel
tube pressed into the aluminum will provide a way for the inner tube to
move without removing aluminum. I'm concerned about friction on this
approach, but some axle grease might help.
Paul
Camas, WA
XL through 20 hours of phase I testing
On 10/15/2011 5:54 PM, mhubel wrote:
> --> Zenith601-List message posted by: "mhubel"_<mhubel@nemon.com>_
(mailto:mhubel@nemon.com)
>
> I just noted what I consider excess play in the top rudder bearing in my
CH601XL. It seems the design assumes the metal bushing on the AN3 bolt
will not move against the mounting plates on the rudder.
>
> I plan to fix it with a slightly over sized bushing and hole but I
wonder if many others have noted this.
>
> --------
> Mark Hubelbank
> N708HU
> CH601XL
> Jabiru 3300
> Rotec TBI 40-3 carb
> Sensenich ground adj prop.
> 70 hr TAF
> Pictures at photo.hubbles.com
>
>
> Read this topic online here:
>
> _http://forums.matronics.com/viewtopic.php?p=355163#355163_
(http://forums.matronics.com/viewtopic.php?p=355163#355163)
>
>
(http://www.matronics.com/Navigator?Zenith601-List)
(http://www.matronics.com/contribution)
Message 23
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| Subject: | Re: rudder bearing play |
There is plenty of metal for the edge distance at least on the 701 plates.
I do not know about 601s I'll check them on my hangar buddies plane to
verify.
Regards, John
CH701 - Colorado - Jabiru 3300
Cell: 719-494-4567
Home: 303-648-3261
In a message dated 10/16/2011 8:01:45 P.M. Mountain Daylight Time,
mtherr@yahoo.com writes:
This is what I was thinking... What is the edge distance on the bearing
part that the bushing is installed? Is there enough aluminum left?
----------------------------
Michel Therrien CH601-HD, C-GZGQ
http://mthobby.pcperfect.com/ch601
http://pages.infinit.net/mthobby
From: "JohnDRead@aol.com" <JohnDRead@aol.com>
Sent: Sunday, October 16, 2011 6:53:07 PM
Subject: Re: Zenith601-List: rudder bearing play
I made a design for an Oilite bearing in the Rudder of my CH701. The 4130
steel tube is clamped by the through bolt and rotates in the bearing which
can be replaced if it should wear. I do not like steel in aluminum as a
bearing pair. Picture attached. I did a similar design for all of the rotating
bearings on the wings and stab of the 701. Lubricate at assembly with MoS2
grease. Remember our airplanes are Experimental so use the design at your
own risk.
Regards, John
CH701 - Colorado - Jabiru 3300
Cell: 719-494-4567
Home: 303-648-3261
(http://www.matronics.com/Navigator?Zenith601-List)
(http://www.matronics.com/contribution)
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