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08-12-2016, 06:57 PM
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Join Date: Oct 2010
Location: La Feria Texas
Posts: 3,822
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Big Hands and Small Places
I guess they saved the worst for last. I have several hours now trying to put the pivot bolts in that hold the stabilator on! I have the nose jacked up a bit and the stabilator matching the fuselage, but the holes are elusive. Has anyone found an easy way to do this?
[IMG]  [/IMG]
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08-12-2016, 07:33 PM
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Join Date: Apr 2014
Location: Port Orange, Fl
Posts: 931
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Somewhere in my travels I picked up a pair of medium length forcepts that worked out pretty good in there. Even so, it was pretty tight. Superglue the washers.
__________________
Tom
Port Orange, Fl
EAA #51411
RV-12 N121TK ELSA #120845; first flight 06/10/2015; 700 hrs as of 02/2020
RV-12 N918EN ELSA #120995 Eagles Nest Project; first flight 05/18/2019
SPA Panther N26TK; First Flight 03/13/2020
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08-12-2016, 07:46 PM
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Join Date: Oct 2010
Location: La Feria Texas
Posts: 3,822
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I measured and super glued the washers on, so I know it will fit OK. I am going to try some fancy tools to hold the bolt while I wiggle the tail.
Quote:
Originally Posted by tomkk
Somewhere in my travels I picked up a pair of medium length forcepts that worked out pretty good in there. Even so, it was pretty tight. Superglue the washers.
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08-12-2016, 10:06 PM
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Join Date: Jan 2012
Location: Northeast Ohio
Posts: 685
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Don,
You may want to read what I documented on the DOG Aviation blog about installing the stabilator ... it may help. I remember I had some issues and documented what worked and what did not .... having a helper will make the task much easier.
http://www.dogaviation.com/2015/10/h...lled-what.html
Hope you find the link to the Blog helpful.
Good Luck,
__________________
John
www.dogaviation.com
RV-12 Wings, Empennage, Fuselage, Finishing, Avionics and Powerplant kits all completed
Now Flying!!
Donation paid until September 2021
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08-12-2016, 11:18 PM
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Join Date: Jun 2012
Location: Hillsboro, OR
Posts: 63
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Quote:
Originally Posted by DonFromTX
I guess they saved the worst for last. I have several hours now trying to put the pivot bolts in that hold the stabilator on! I have the nose jacked up a bit and the stabilator matching the fuselage, but the holes are elusive. Has anyone found an easy way to do this?
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Find the closest airport-bum kid and put him/her to work!
__________________
RV addict for life.
NOTE: The information, ideas, and opinions presented in this post are my own and not those of my employer. Build, test, and fly at your own risk.
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08-13-2016, 01:53 AM
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Join Date: May 2010
Location: Benaraby Queensland. Australia
Posts: 209
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I am not sure what the difficulty is because I havn't built a 12, but I did make a special tool for putting bolts into the RV4 elevator hinges. The problem was getting the bolt in far enough to one side and there was no finger room. My tool could be used in many simila situations built to suit each one. it is 2 pieces of metal, bent at 90 deg, one bent end goes on top of the bolt head, the other goes below the head and has a slot cut for the bolt shank. The 2 pieces then run alongside the shank to another 90 deg bend and the leg which is hand held. An elastic band holds the whole contraption together.
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08-13-2016, 08:21 AM
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Join Date: Dec 2008
Location: Lacey, WA
Posts: 1,365
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Quote:
Originally Posted by DonFromTX
I guess they saved the worst for last. I have several hours now trying to put the pivot bolts in that hold the stabilator on! I have the nose jacked up a bit and the stabilator matching the fuselage, but the holes are elusive. Has anyone found an easy way to do this?
[IMG]  [/IMG]
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Don, don't know if your picture shows the actual situation you are working but it is a bit easier working from the top with all fiberglass fairings off and the rudder off and out of the way? You can also use a couple of "bullets" to get and hold the holes aligned. I made bullets from bolts with the threads ground off and the shank tapered. Then once the stab is on and supported carefully remove the bullets and insert the bolts.

__________________
Tony
E-LSA RV-12 ULS
Last edited by Tony_T : 08-13-2016 at 08:34 AM.
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08-13-2016, 04:15 PM
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Join Date: Mar 2010
Location: Raleigh, NC
Posts: 863
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For what it's worth, here is what we did to solve this problem (from my builder blog):
http://vieilleburette.blogspot.com/2...tabilator.html
There is not much details on the tool made of scrap Al we used to hold and push the washers but it was very simple with a notch holding the washer and scotch tape to prevent it to fall. Once the tapered bolt is passed through you just pull the tool and the washer stays in place. You then remove the tapered bolt and replace it with the right one. You need an assistant because it's difficult to hold both washer holder and tapered bolt.
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08-13-2016, 06:06 PM
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Join Date: Oct 2010
Location: La Feria Texas
Posts: 3,822
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Yeah, the photo does not represent current status, I did take the fiberglass off. I got a tool thru the holes on the pilot side, will try more tomorrow - all alone and that is a lot of the problem.
Quote:
Originally Posted by Tony_T
Don, don't know if your picture shows the actual situation you are working but it is a bit easier working from the top with all fiberglass fairings off and the rudder off and out of the way? You can also use a couple of "bullets" to get and hold the holes aligned. I made bullets from bolts with the threads ground off and the shank tapered. Then once the stab is on and supported carefully remove the bullets and insert the bolts.

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08-13-2016, 06:08 PM
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Join Date: Oct 2010
Location: La Feria Texas
Posts: 3,822
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Nice to know you gave the same description that I feel.
Quote:
Originally Posted by WingedFrog
For what it's worth, here is what we did to solve this problem (from my builder blog):
http://vieilleburette.blogspot.com/2...tabilator.html
There is not much details on the tool made of scrap Al we used to hold and push the washers but it was very simple with a notch holding the washer and scotch tape to prevent it to fall. Once the tapered bolt is passed through you just pull the tool and the washer stays in place. You then remove the tapered bolt and replace it with the right one. You need an assistant because it's difficult to hold both washer holder and tapered bolt.
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