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super58d
Joined: 15 Sep 2008
Posts: 52
Location: Savannah, GA
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 Posted: Tue Mar 17, 2009 7:33 pm Post subject: Horizontal Stab question |
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Well,
CH 640 s/n 094 is a slight bit closer to completion. I picked up the rest of the tail kit from AMD aircraft in Eastman GA last Friday. Zenair was nice enough to include it in a regular shipment to the LSA factory so that I didn't have to pay extra shipping. It was packaged great and all parts arrived in excellent condition. I am just a bit confused about a couple things though. The first thing is, how on earth do you route all the trim tab cables??? I see in the plans how you build the horizontal stab, but I can't find how you route the cables for the trim tabs and the horizontal itself. Are there other plan drawings I'm missing, or is there some "understood" practice that I am unaware of? Someday I'll finish this project, but I doubt I'll do it without all of your help! The other questions I have will certainly arise as work on the horizontal stab progresses. Thanks in advance....
Mark
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Mark
s/n 094
My Build Site:
http://www.mykitlog.com/stephen363/ |
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Scott Stewart
Joined: 29 Jul 2008
Posts: 30
Location: Windsor, California
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| Posted: Wed Mar 18, 2009 8:48 am Post subject: Re: Horizontal Stab question |
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Hi Mark,
On the CD you received with your plans, you should find a folder named "Final" which includes photos of all the cables that get installed toward the end of your build. I think the photo "ins_0289.jpg" has the best view showing the installation of the stabilator and rudder cables and the trim tab cable. You might want to look around that folder for other pictures as well. There are quite a few showing these cables.
These cables are installed after the fuselage is built, so it may be a bit early for you to get too concerned about the routing.
Good luck with your build.
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Scott Stewart
CH-640 built from plans
Flying since August 2014 |
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super58d
Joined: 15 Sep 2008
Posts: 52
Location: Savannah, GA
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| Posted: Wed Mar 18, 2009 3:17 pm Post subject: Re: Horizontal Stab question |
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Thanks Scott,
I never even thought to go back and look at the disk. Even the trim tab cables are routed later huh? Interesting. Guess it'll make more sense when I get a little further along in the build of the thing. Thanks again!
Mark
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Mark
s/n 094
My Build Site:
http://www.mykitlog.com/stephen363/ |
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steveadams
Joined: 10 Jan 2006
Posts: 191
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| Posted: Tue Mar 24, 2009 8:35 am Post subject: Re: Horizontal Stab question |
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There is a single push/pull cable for the trim tab that hooks to a bellcrank attached to the rear fuselage. The trim tab then hooks to the bellcrank. I was confused as heck about how it would all work until I got everything put together. In any event, that will come much later in the build.
Steve
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super58d
Joined: 15 Sep 2008
Posts: 52
Location: Savannah, GA
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| Posted: Tue Apr 07, 2009 3:49 pm Post subject: Re: Horizontal Stab question |
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Another stabilator question for the group...
The plans call for AD-5 solid rivets in the hinge brackets. I saw in the pictures that they did use solid rivets instead of the bolt/pulled rivet combo that is allowed as an alternate. The parts I received with the stabilator kit only came with AD-4 rivets though. Which is correct? Even if I wanted to use the bolt combo, It doesn't seem that I was supplied with enough AN-3 bolts and nuts to do it. Any thoughts?
Thanks,
Mark
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Mark
s/n 094
My Build Site:
http://www.mykitlog.com/stephen363/ |
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pilot4pay
Joined: 01 Jan 2007
Posts: 171
Location: Louisville, KY
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| Posted: Tue Apr 07, 2009 4:47 pm Post subject: Horizontal Stab question |
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I think you're missing some rivets.
Did you physically verify your contents against the shipped bill of
materials? This is something I do with everything I order from anyone.
C. Smith
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Craig Smith
CH640 builder
SN: 0078
"Just think how stupid the average person is,
and then realize that half of them are even stupider!"
--George Carlin |
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super58d
Joined: 15 Sep 2008
Posts: 52
Location: Savannah, GA
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| Posted: Tue Apr 07, 2009 5:45 pm Post subject: Re: Horizontal Stab question |
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I did! I even checked the parts off on the packages themselves and the list after I laid them out on the garage floor. I guess the part I forgot to mention is that the shipping bill of materials only has AN470-AD4-6 (and AD4-7) rivets listed. I did get those, but both the drawings and IPL call for AD-5 rivets. Did anyone else who got a kit have AD-5s included?
Mark
| | - The Matronics Zenith640-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
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_________________
Mark
s/n 094
My Build Site:
http://www.mykitlog.com/stephen363/ |
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pilot4pay
Joined: 01 Jan 2007
Posts: 171
Location: Louisville, KY
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| Posted: Wed Apr 08, 2009 1:16 am Post subject: Horizontal Stab question |
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I went and found my BOM for the tail kit, and re-read the IPL. It's a typo
in the IPL that makes it misleading. Use the AD4-6 and AD4-7 solid rivets
for the hinge bracket.
When in doubt about the wording of an IPL, feel free to give Tim Ward at
Zenair a call, the more calls they get maybe they'll be motivated to correct
the IPL. I think what the IPL means to say is use (four AD4-x solid rivets)
or (two AN3 bolts and two A5 AVEX rivets) per bracket. If they tell you
different at Zenair, please let us know.
I used all solid rivets for my hinge brackets.
C. Smith
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_________________
Craig Smith
CH640 builder
SN: 0078
"Just think how stupid the average person is,
and then realize that half of them are even stupider!"
--George Carlin |
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super58d
Joined: 15 Sep 2008
Posts: 52
Location: Savannah, GA
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| Posted: Wed Apr 08, 2009 4:19 am Post subject: Re: Horizontal Stab question |
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Thanks Craig,
That helps. I'll see what Tim has to say as well.
Mark
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_________________
Mark
s/n 094
My Build Site:
http://www.mykitlog.com/stephen363/ |
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