Today's Message Index:
----------------------
1. 02:01 PM - Elevator UP stop and cable tension (Michel Therrien)
2. 04:08 PM - Re: Elevator UP stop and cable tension (Larry McFarland)
3. 05:23 PM - Re: Elevator UP stop and cable tension (Benford2@aol.com)
4. 06:24 PM - Elevator UP "Stop" (Fred or Sandy Hulen)
5. 06:36 PM - Trouble with building 601 ailerons (Mark Stauffer)
6. 06:36 PM - Re: Elevator UP stop and cable tension (Michel Therrien)
7. 06:41 PM - Sun n Fun (Mark Stauffer)
8. 09:32 PM - Re: Trouble with building 601 ailerons (CLOJAN@aol.com)
Message 1
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| Subject: | Elevator UP stop and cable tension |
--> Zenith-List message posted by: Michel Therrien <mtherr@yahoo.com>
Hello gang,
My manual mention that we should install small L
stiffeners on the fiberglass saddle to make the
elevator stop. I don't really like to rely on that
saddle. Are there other ways of making an elevator up
stop?
The cable tension on my elevator varies (a lot) as I
move the elevator. I have 25 lbs full down and more
than 40 lbs full up. Others have that kind of
situation?
Michel
=====
----------------------------
Michel Therrien CH601-HD
http://mthobby.pcperfect.com/ch601
http://www.zenithair.com/bldrlist/profiles/mthobby
http://pages.infinit.net/mthobby
http://platinum.yahoo.com
Message 2
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| Subject: | Re: Elevator UP stop and cable tension |
--> Zenith-List message posted by: "Larry McFarland" <larrymc@qconline.com>
Subject: Zenith-List: Elevator UP stop and cable tension
>
> Hello gang,
>
> My manual mention that we should install small L
> stiffeners on the fiberglass saddle to make the
> elevator stop. I don't really like to rely on that
> saddle. Are there other ways of making an elevator up
> stop?
>
> The cable tension on my elevator varies (a lot) as I
> move the elevator. I have 25 lbs full down and more
> than 40 lbs full up. Others have that kind of
> situation?
>
> Michel
>
Michel,
I don't much like using the saddle for a stop either. It looks like it
would
tend to peel the saddle from the stabilizer. I'll probably put a stop in
front of the bellcrank
before it's done. Directionally, this would seem better.
If you've 40 lbs tension, I'd recommend you lower that to 30. I don't think
the 601
is built for a 40 lb static load on the cables, and that would especially
include the rudder.
Regards,
Larry McFarland
Message 3
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| Subject: | Re: Elevator UP stop and cable tension |
--> Zenith-List message posted by: Benford2@aol.com
In a message dated 3/25/2003 5:09:04 PM Mountain Standard Time,
larrymc@qconline.com writes:
>
> If you've 40 lbs tension, I'd recommend you lower that to 30. I don't
> think
> the 601
> is built for a 40 lb static load on the cables, and that would especially
> include the rudder.
> Regards,
> Larry McFarland
>
That would lower the low side of the reading to 15 lbs. Kinda sloppy for
cables..
Message 4
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| Subject: | Elevator UP "Stop" |
--> Zenith-List message posted by: "Fred or Sandy Hulen" <hulens61@birch.net>
I installed a "stop" from side to side at the rearward travel of the stick
in the center stick console (near the top edge). I used .060 material to
make a shallow "U" shape the width of the stick channel. Then attached a
1/2" wide strip of 1/4" Delrin (using 4 small bolts) to the leading edge of
the "U" piece (going side to side) so the stick would never hit metal to
metal. After carefully adjusting the cable tension, and determining the
correct "stop position", I then riveted this assembly to each side. Works
great and my EAA Technical Councilor thought it far better than to rely on a
fiberglass form in the rear as the stop.
Fred
Jab 3300, 601HDS, N601LX
Message 5
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| Subject: | Trouble with building 601 ailerons |
--> Zenith-List message posted by: Mark Stauffer <mark.stauffer@comcast.net>
Fellow 601 XL builders,
I'm at my wits end! I've got 7 hours in one aileron and haven't drilled a
single hole! This is a good thing though since the aileron tip does not line
up.
I have several questions.
1. Did you have to do some additional trimming of the skin to get the tip
rib to fit correctly?
2. Was your top skin longer than in the drawings? My is 8mm longer. Did you
trim it or just place the excess under the wing top skin?
3. When you measured (from the inboard edge) did you come up with a 45
degree angle for the tip? If not what did you use, the measurements or the
angle? Where did you measure your angle from the top or bottom.
4. Does anyone have the steps they went through to finish the aileron? Yes,
I've downloaded the updated the manual pages. Zenith even faxed me a new
drawing (6W2-3 Aileron Tip dtd. 03/06/03) but unfortunately it still doesn't
solve my questions.
5. Did anyone else receive a skin where the inboard trailing edge was not
square? I ended up filing it down to bring to square. Yes, I checked both
edges of both skins to see if I could swap them, unfortunately I couldn't.
I have more questions concerning the placement of the rivets but I'll leave
that for another message.
I've really hit a wall with these ailerons. Something is just not clicking.
Any help will be GREATLY appreciated!!
Mark
601XL Tail and flaps finished.
Banging head on bench with ailerons.
Do not archive
Message 6
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| Subject: | Re: Elevator UP stop and cable tension |
--> Zenith-List message posted by: Michel Therrien <mtherr@yahoo.com>
HA! I spent my entire day working on this. I
initially found that attachment point on the upper
elevator horn was 2mm farther than the one on the
lower horn... I made a new horn and then a third one.
AND NOW, I found THE problem... I'm using shackles and
turnbuckles instead of the self-made ones as per the
plans.
It turns out that the edge distance at the lower
attachment point on the control yoke is too large and
the cable interferes with the control. See:
http://pages.infinit.net/mthobby/dcp02077.jpg
So, I still have one question left (the elevator
stop).
Michel :)
=====
----------------------------
Michel Therrien CH601-HD
http://mthobby.pcperfect.com/ch601
http://www.zenithair.com/bldrlist/profiles/mthobby
http://pages.infinit.net/mthobby
http://platinum.yahoo.com
Message 7
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--> Zenith-List message posted by: Mark Stauffer <mark.stauffer@comcast.net>
Anyone going to Sun n Fun? Is there a standard meeting place/time/day? This
is my first year at Sun n Fun as a Zenith builder and I would love to meet
others. I'll be there 2, 3, and 4 April.
Mark
601XL Tail and flaps finished.
Completely confused with ailerons
Do not archive
Message 8
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| Subject: | Re: Trouble with building 601 ailerons |
--> Zenith-List message posted by: CLOJAN@aol.com
Mark: You are sooo right!
1. Did you have to do some additional trimming of the skin to get the tip
rib to fit correctly?
I did a lot more trimming than I thought I should to get it to fit.
2. Was your top skin longer than in the drawings? My is 8mm longer. Did you
trim it or just place the excess under the wing top skin?
I think I sent you the heads up of this when I was building. Make sure
you measure from the trailing edge for your rivet line or you will drill in
front of the flange. I lucked out on this one!
3. When you measured (from the inboard edge) did you come up with a 45
degree angle for the tip? If not what did you use, the measurements or the
angle? Where did you measure your angle from the top or bottom
I used the top measurement and then trimmed the bottom to fit.
5. Did anyone else receive a skin where the inboard trailing edge was not
square? I ended up filing it down to bring to square. Yes, I checked both
edges of both skins to see if I could swap them, unfortunately I couldn't
Yes, when I used the block to set the washout the edges were off by only
a few mm and I did take the file to it.
I think I also mentioned that the hole drilled in the horn for the trim tab
is off by a couple of mm and if you follow the drawing you will be making
that part again. Check it carefully with the clevis before you start.
One thing I have found really helpful is the new posting of the updates on
the builders site. It contains a list of the mistakes in the drawings that
Zenith has found for each section. I wish it was posted when I started the
project. Most of the things that I was cursing at are corrected.
The ailerons were the worst part yet for not matching the instructions. I
just made things work. I won't know if I was successful until I finish the
wings.
Jack Russell Clovis, CA
601XL Up to the firewall.
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