Today's Message Index:
----------------------
1. 06:41 AM - Aileron Counterbalance (BobbyPaulk@comcast.net)
2. 09:50 AM - New 601 Upgrade Drawing Revision (DaveG601XL)
3. 10:22 AM - Re: Counter balance snag in the LAA drawings (Ron Lendon)
4. 11:12 AM - Re: Aileron Counterbalance (Davcoberly@wmconnect.com)
5. 12:07 PM - Re: Re: Counter balance snag in the LAA drawings (Afterfxllc@aol.com)
6. 04:20 PM - aileron deflection (BobbyPaulk@comcast.net)
7. 04:27 PM - Re: aileron deflection (Afterfxllc@aol.com)
8. 08:49 PM - Re: Counter balance snag in the LAA drawings (Ron Lendon)
9. 08:56 PM - Re: Re: Counter balance snag in the LAA drawings (Afterfxllc@aol.com)
Message 1
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| Subject: | Aileron Counterbalance |
List
While we are on the subject. i e-mailed ZAC about 3 weeks ago about an error I
thought to be in the PDF photo guide. Page 10 of the 6 ZU-4 says to square the
ribs holding the counterbalance and flat on a surface. Then back drill the inboard
rib. If the hole is drilled square to the hinge line then when they are
skewed to be parallel to rib 3 shown earlier then the holes will not line up.
It cost me 2 new ribs and a counterbalance tube. if I am wrong about this let
the flames begin! They said they were going to change the photo but as of yet
it has not been changed.
bobby
Message 2
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| Subject: | New 601 Upgrade Drawing Revision |
There is a new Zenith upgrade drawing revision out there dated January 25. http://www.zenithair.com/news/ntsb-astm-4-09a.html
I wish they would publish a revision history with these. It would save us from
a "Where's Waldo" exercise of having to find the changes.
Unless someone sees more than me, this is what I see different from the last December
issuance I had.
6ZU1: Lower left, reference to A5 rivets in 6ZU1-4 and 6ZU1-2
6ZU2: Upper middle, reference to torques on NAS bolt/nuts. These are just a bit
higher than the AN torque values.
6ZU2: Upper right, 6B13-2 thickness check.
6ZU3:Lower middle, reference to a cut-out, if needed, in 6ZU4-1 for control cable
clearance.
--------
David Gallagher
601 XL/Jabiru 3300
First flight 7/24/08
116.5 hours and holding (incorporating upgrade)
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=284854#284854
Message 3
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| Subject: | Re: Counter balance snag in the LAA drawings |
I think the confusion comes from using the Zenith supplied User Guide. If you
follow the actual LAA prints it should work out much better.
This one caught me also and I canted the ribs to gain room. I will find out tonight
if that will fix the issue.
--------
Ron Lendon, Clinton Township, MI
WW Corvair with Roy's Garage 5th bearing
Zodiac XL, ScrapBuilder ;-)
http://www.mykitlog.com/rlendon
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=284858#284858
Message 4
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| Subject: | Re: Aileron Counterbalance |
I had the same problem. I didn't think about it at the time when I couldn't
figure out why the forward part of the outboard rib wasn't touching the
forward part of the aileron then I thought about squaring the ribs then cocking
them at an angle no wonder they weren't fitting. I had to put doublers on
my ribs and reversed and turn 90 deg my arm to keeping from having to buy new
ones. Also the latest revisions have two more angles for the #1 nose ribs
that weren't included in my kit. Plus several other changes that most I had
already figured out on my own. These are dated 1-25-2010. David Coberly
Message 5
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| Subject: | Re: Counter balance snag in the LAA drawings |
No Ron if you use the LAA drawing they DON'T work. Roger didn't follow the
drawings and placed his at 90 degrees so he had much more room from the
wingtip. If you look at the photo guide you will see in his aileron the bottom
rivet line is very close to the trailing edge outboard tip. If you use the
LAA drawing measurements it is further away thus putting the tube closer
to the wing tip.
Jeff
In a message dated 2/4/2010 2:17:36 P.M. Eastern Standard Time,
ron.lendon@gmail.com writes:
--> Zenith601-List message posted by: "Ron Lendon" <ron.lendon@gmail.com>
I think the confusion comes from using the Zenith supplied User Guide. If
you follow the actual LAA prints it should work out much better.
This one caught me also and I canted the ribs to gain room. I will find
out tonight if that will fix the issue.
--------
Ron Lendon, Clinton Township, MI
WW Corvair with Roy's Garage 5th bearing
Zodiac XL, ScrapBuilder ;-)
http://www.mykitlog.com/rlendon
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=284858#284858
Message 6
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| Subject: | aileron deflection |
List,
I installed a right aileron temporarily on the wing with out the top skin and found
the same thing that Chris did.
The outboard 2 weights hit the rivet line.
We also discovered there was only 82 mm down travel from neutral even if the tube
clears the rivets.
Plans call for 85mm.
I still have the 97 deg. shown on the drawings on my protractor and will lay it
out and raise the angle to move the end of the tube up 10mm ( which ain't much
). We measured a total of 197mm between the bottom skin and the top so there
is enough room for the 170mm total travel but it will have to be centered very
precise. Only about 13mm top and 13 on bottom clear.
Has anyone tried to bend the 3/4" square tube after it has been riveted in place??
bobby
Jacksonville, Florida
Message 7
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| Subject: | Re: aileron deflection |
You can bend the tube the same way you do the canopy tube. .. Place 2 bolts
on one side and one bolt in the middle of the 2 bolts on the other and put
in a vice and it will bend. Extrusion is brittle and really not supposed
to be bent so go easy.
Jeff
In a message dated 2/4/2010 7:21:06 P.M. Eastern Standard Time,
BobbyPaulk@comcast.net writes:
List,
I installed a right aileron temporarily on the wing with out the top skin
and found the same thing that Chris did.
The outboard 2 weights hit the rivet line.
We also discovered there was only 82 mm down travel from neutral even if
the tube clears the rivets.
Plans call for 85mm.
I still have the 97 deg. shown on the drawings on my protractor and will
lay it out and raise the angle to move the end of the tube up 10mm ( which
ain't much ). We measured a total of 197mm between the bottom skin and the
top so there is enough room for the 170mm total travel but it will have to
be centered very precise. Only about 13mm top and 13 on bottom clear.
Has anyone tried to bend the 3/4" square tube after it has been riveted in
place??
bobby
Jacksonville, Florida
(http://www.matronics.com/Navigator?Zenith601-List)
(http://www.matronics.com/contribution)
Message 8
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| Subject: | Re: Counter balance snag in the LAA drawings |
It doesn't matter who is wrong here. The fix I am going to apply is to bend the
arm about 2.5" towards the fuselage. It was EAA chapter 13 night and some good
ideas came out about how to move the bar without tearing the aileron down
again.
Going to make a form to make the bend that will keep the bar boxed while forming
with clamps. Pictures and dimensions to follow.
--------
Ron Lendon, Clinton Township, MI
WW Corvair with Roy's Garage 5th bearing
Zodiac XL, ScrapBuilder ;-)
http://www.mykitlog.com/rlendon
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=284928#284928
Message 9
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| Subject: | Re: Counter balance snag in the LAA drawings |
Ron
If you do what I did and Roger suggested all you have to do is put all the
weights but 1 inboard.
Then it fits without bending the tube.
Jeff
In a message dated 2/4/2010 11:50:18 P.M. Eastern Standard Time,
ron.lendon@gmail.com writes:
--> Zenith601-List message posted by: "Ron Lendon" <ron.lendon@gmail.com>
It doesn't matter who is wrong here. The fix I am going to apply is to
bend the arm about 2.5" towards the fuselage. It was EAA chapter 13 night
and some good ideas came out about how to move the bar without tearing the
aileron down again.
Going to make a form to make the bend that will keep the bar boxed while
forming with clamps. Pictures and dimensions to follow.
--------
Ron Lendon, Clinton Township, MI
WW Corvair with Roy's Garage 5th bearing
Zodiac XL, ScrapBuilder ;-)
http://www.mykitlog.com/rlendon
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=284928#284928
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