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11-26-2014, 09:42 AM
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Join Date: Dec 2006
Location: New Orleans, LA
Posts: 474
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Rivet in a bad spot.
This is the Center Bottom Skin where the Aft Gear Brace Assembly attaches. I was trying to figure out how to get to this rivet. Unless you bend the flange out of the way, there really isn't a way. Spoke to Van's and the engineers are going to change the sequence of steps here. So if you haven't gotten to this part yet, check with them to see how it is going to be changed. I think they are going to recommend to rivet this before attaching the seat rib angle, but they will let us know. Good luck and Happy Thanksgiving to everyone.

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Stoney
First RV-14 Flight 04/17/2016
Serial #140087, N214SW - Sold
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11-26-2014, 09:58 AM
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Join Date: Feb 2008
Location: martinsburg, wv
Posts: 63
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Rivet in bad spot
I was able to get a CS4-4 pop rivet in this spot.
__________________
RV-8: Still Flying since 2001
RV-3 Sold: Flying now in England!
Starduster Too: Sold
RV-12: Sold
RV-14: Sold
Carbon Cub: N471CC
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11-26-2014, 10:19 AM
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Join Date: Oct 2012
Location: Clearwater, FL KCLW
Posts: 1,281
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It also looks (it's hard to tell from the angle, though), like you may be able to take a little off of the corner of that flange above it without losing edge distance for that rivet. Maybe just enough to get a screwdriver head above the shank and set it that way.
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Chris Johnson
RV-9A - Done(ish) 4/5/16! Flying 4/7/16
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11-26-2014, 10:23 AM
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Remove three rivets securing flange. Shoot rivet. Install three rivets securing flange.
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11-26-2014, 10:28 AM
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Join Date: Sep 2007
Location: Central IL
Posts: 5,516
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Quote:
Originally Posted by paul mosher
Remove three rivets securing flange. Shoot rivet. Install three rivets securing flange.
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+1 Absolutely! - and keep moving. It won't be the last time.
__________________
Bill
RV-7
Lord Kelvin:
“I often say that when you can measure what you are speaking about,
and express it in numbers, you know something about it; but when you
cannot measure it, when you cannot express it in numbers, your knowledge
is of a meager and unsatisfactory kind.”
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11-26-2014, 12:20 PM
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Join Date: Dec 2006
Location: New Orleans, LA
Posts: 474
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Rivet Placement
Quote:
Originally Posted by BillL
+1 Absolutely! - and keep moving. It won't be the last time.
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One of the issues with removing those three rivets is #1 getting a drill down there close enough to the last one without scarring the skin and the second problem, Van's is very particular about that angle being exactly 90°. You set the top rivet, slightly, then check for 90°. Final drill to #30 the other two holes. Check again, if needing to adjust, drill again. Trying to get those three rivets out, at that angle, without messing up the skin or enlarging the holes, I don't know about that. I did try a screw driver on the other one, but the result I got - I'd rather have the pop rivet.
Van's option for me is to use a CR3212-4-2 rivet (instead of a CS4-4), which I have ordered and intend to use. No one will notice the two pop rivets under my plane and if they do, they better be cleaning the oil off the belly!
__________________
Stoney
First RV-14 Flight 04/17/2016
Serial #140087, N214SW - Sold
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11-26-2014, 12:41 PM
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Join Date: Mar 2005
Location: Dallas area
Posts: 10,768
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Drilling out those 3 rivets should be no problem with an angle drill.
You don't drill all the way through. Just enough to snap off the head.
__________________
Mel Asberry, DAR since the last century.
EAA Flight Advisor/Tech Counselor, Friend of the RV-1
Recipient of Tony Bingelis Award and Wright Brothers Master Pilot Award
USAF Vet, High School E-LSA Project Mentor.
RV-6 Flying since 1993 (sold)
<rvmel(at)icloud.com>
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11-26-2014, 01:09 PM
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Join Date: Sep 2007
Location: BC
Posts: 1,674
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You may have another one to remove. 2nd one from the left with the smiley. 
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RV7A Flying since 2015
O-360-A1F6 (parallel valve) 180HP
Dual P-mags
Precision F.I. with AP purge valve
Vinyl Wrapped Exterior
Grand Rapids EFIS
Located in western Canada
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11-26-2014, 01:42 PM
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Join Date: Jul 2005
Location: Hubbard Oregon
Posts: 9,035
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This is a potential problem that was discovered during the fuselage kit development, and was thought to have been resolved by proper build sequence (but obviously wasn't).
A revision of the plans will be done that will delay the riveting of the upright.
My recommendation would be to remove the upright angle. I don't think you will be able to insert the cherry rivet far enough to set it.
Any builder not yet at this point should delay riveting the upright angle to the lateral, until after riveting to the skin.
__________________
Opinions, information and comments are my own unless stated otherwise. They do not necessarily represent the direction/opinions of my employer.
Scott McDaniels
Van's Aircraft Engineering Prototype Shop Manager
Hubbard, Oregon
RV-6A (aka "Junkyard Special ")
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11-26-2014, 02:34 PM
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Join Date: Nov 2007
Location: Yarmouth, Nova Scotia
Posts: 2,408
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Quote:
Originally Posted by paul mosher
Remove three rivets securing flange. Shoot rivet. Install three rivets securing flange.
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That's fine but van's has you take several steps to install this part 90 degrees in previous steps. Removing it now would make those task valueless . By the description it sounds like this is a crucial structure so I did not drill it out. I shaved a hair off the rivet and pre squeezed it to the point it would just fit into it's hole and used the blade of a large screwdriver and set the rivet by hitting the screwdriver with the gun as suggested above. Pain but worked.
__________________
Thanks Ron
RV-10 SOLD
RV-14 Flying
AirCam flying
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