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04-05-2018, 04:15 PM
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Join Date: Dec 2008
Location: Seattle, WA
Posts: 1,194
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My take would be that by scuffing the SS washers and alum brackets and glueing them together the SS at the interface would stay in the active state. Especially if the assembly is primed. It looks like the aluminum would still be slightly sacrificial but for a corrosion cell to form there would have to be an electrolyte present.
Anxious to see where this thread goes...
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Tony
RV-12 #202 -- Flying
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04-05-2018, 05:19 PM
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Join Date: Nov 2014
Location: Hinckley, Ohio
Posts: 818
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Quote:
Originally Posted by Tony_T
It looks like the aluminum would still be slightly sacrificial but for a corrosion cell to form there would have to be an electrolyte present.
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Tony, you live by the ocean, so salt air with lots of rain in the PNW would be a consideration...
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Jim Stricker
Hinckley, Ohio
PPL/ASEL 1970 Sport Pilot since 2004
80 hrs Flying Aeronca Chief 11AC
1130 hrs Flying 46 Piper J-3 Cub
RV-12 E-LSA #120058 AWC Jul 2012 - Bought Flying Oct 2015 with 48TT - Hobbs now 320
LSRM-A Certificate 2016
Special Thanks to EJ Trucks
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04-05-2018, 09:12 PM
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Join Date: Dec 2008
Location: Seattle, WA
Posts: 1,194
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Rain?
Quote:
Originally Posted by Piper J3
Tony, you live by the ocean, so salt air with lots of rain in the PNW would be a consideration...
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What rain?

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Tony
RV-12 #202 -- Flying
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04-08-2018, 06:18 PM
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Join Date: Oct 2010
Location: Phoenix, AZ
Posts: 2,183
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Seems like steel and aluminum are in contact at many points in an aircraft. I’ve never heard of it being a problem. Has anyone else?
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04-09-2018, 04:14 AM
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Join Date: Jan 2018
Location: Birmingham, AL
Posts: 6
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Cracks
All of the posts and pictures are very helpful. I have not started mine yet. I am wondering how many owners have actually found cracks after doing the inspection?
Thanks.
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04-16-2018, 11:22 AM
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Join Date: Jan 2005
Location: Irvine, CA
Posts: 648
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Removing rivet stems
Quote:
Originally Posted by JwWright57
I hear you Tony! I had to re-rivet one of the anti-servo hinges and ended up with the rivet tails inside the stabilitor. I cleared them out with a magnet on a long stick and a LOT of fishing around. It was a real PIA. 
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Has anyone found an easy way to remove the rivet stems after drilling out the rivets for the service bulletin? Amazon.com has several magnetic pickup tools that look like they might be helpful. Has anyone tried one?
Thanks,
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Mark
RV-12iS Fuselage
RV-9A Project: Sold
VAF donation made for 2018
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04-16-2018, 12:52 PM
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Join Date: Sep 2013
Location: Fall City, WA
Posts: 104
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while one of us rotated the HS around the other caught the moving remnants... took 5 minutes...not a big deal
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B2RV12
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04-17-2018, 07:25 AM
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Join Date: Jan 2005
Location: Independence, OR
Posts: 196
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I installed the stabilator fiberglass tips at the same time. With the end ribs removed I tipped the H.S. on to the leading edge so the rivets went to the front and then up on end and out the rivets fell out.
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04-18-2018, 10:41 AM
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Join Date: Jan 2005
Location: Irvine, CA
Posts: 648
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Thanks, Ben and Jim. I appreciate your suggestions!
__________________
Mark
RV-12iS Fuselage
RV-9A Project: Sold
VAF donation made for 2018
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