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notsew_evets(at)frontiern
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 Posted: Fri Apr 25, 2008 5:08 am Post subject: Drag Spar attach. |
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Now that the drag spar is a topic I need to ask this:
Those of you who have installed your wings, how difficult was it to get the bolt into the drag spar hole ?
Did you need to apply rearward pressure at the wing tip to align the holes??
My install was a pain in the butt.
So, I just wonder if you had the same problem.
I also noted that there's a rivet that keeps the left drag spar attach plates from mating flush with each other. Today I plan on removing that rivet to make sure there is no stress.
This rivet is the very last inboard rivet in the wing at
6W7-2.....
And this is a QBK......
Steve
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purplemoon99(at)bellsouth
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| Posted: Fri Apr 25, 2008 5:49 am Post subject: Drag Spar attach. |
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I drilled out 4 rivets and open the skin up,tighten,and closed the skin,wanted to be sure it was tight. ,very hard to get to that drag spar has always bothered me....Joe N101HD 601XL/RAM
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Rickey B.
Joined: 22 Mar 2008
Posts: 70
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| Posted: Fri Apr 25, 2008 6:06 am Post subject: Drag Spar attach. |
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List…I have been following the threads about the wing thing, and to answer your Q about the bolt, this is what I did.
I matched my wing roots to the fuselage and trimmed the wing skins to give about a quarter of an inch gap between the skin and the fuselage. On the bottom, just ahead of the rear attach point, I ground a little extra off the skin to allow me to slip the bolt in so it is in there front to rear. I have room to get a wrench on the bolt and tighten the nut from the outside using the torque wrench to make sure tension is correct. I believe the rubber seal on the wing skin edge will cover the opening for the wrench, and if it doesn't, make a fairing out of fiberglass and cover all the little areas of relief for access.
Just my $0.02.
Rick Beckman
Midwest Mudworks (for sure with all this rain!)
729 MSL and sinking
Zodie XL 52EB
www.sharbo.us/thebird
Do not archive, please!
From: owner-zenith-list-server(at)matronics.com [mailto:owner-zenith-list-server(at)matronics.com] On Behalf Of steve
Sent: Friday, April 25, 2008 8:05 AM
To: zenith-list(at)matronics.com
Subject: Drag Spar attach.
Now that the drag spar is a topic I need to ask this:
Those of you who have installed your wings, how difficult was it to get the bolt into the drag spar hole ?
Did you need to apply rearward pressure at the wing tip to align the holes??
My install was a pain in the butt.
So, I just wonder if you had the same problem.
I also noted that there's a rivet that keeps the left drag spar attach plates from mating flush with each other. Today I plan on removing that rivet to make sure there is no stress.
This rivet is the very last inboard rivet in the wing at
6W7-2.....
And this is a QBK......
Steve
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notsew_evets(at)frontiern
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| Posted: Fri Apr 25, 2008 6:45 am Post subject: Drag Spar attach. |
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In my case, there isnt a wing skin to fuselage problem. Without the rubber moulding installed it was still hard to get the drag spar bolt hole to line up. With the rubber installed it was about the same difficulty..
I also am thinking of making the access hole under the wing just a little bit bigger. That would make maintenance and inspection much easier....
Steve
[quote] ---
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japhillipsga(at)aol.com
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| Posted: Fri Apr 25, 2008 12:13 pm Post subject: Drag Spar attach. |
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Steve, when I built my XL I inserted the rear spar attachment bolts toward the front with the washer and nut on the inside. I drilled an access hole on the bottom of the wing in the corner big enough for a box end wrench to go in. After a couple hours I realized I was unable to confirm during preflight inspection that the nut was present and tight without removing the plug and flashlight on my back up in the hole. I reversed the bolt so that the nut is now visible between the flap and wing. I dabbed red fingernail polish on bolt end, nut and drag spar to ensure nothing is loose or turning. Best regards, Bill of Georgia
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