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03-16-2014, 02:26 PM
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Join Date: Oct 2005
Location: Estes Park, CO
Posts: 3,931
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Proseal shop heads
Question
I'm using Rick's Faying surface method to assemble the tanks.
so far it's going well. I'm ready to rivet the inboard and outboard ribs now and have a question.
Did anyone encapsulate the shop heads on the inboard, outboard and baffle rivets?
They are not inside the tank but could possibly weep if fuel got past the fillet.
Other than a bit more weight I can't see any harm in sealing them.
__________________
Larry Larson
Estes Park, CO
http://wirejockrv7a.blogspot.com
wirejock at yahoo dot com
Donated 12/03/2019, plus a little extra.
RV-7A #73391, N511RV reserved (2,000+ hours)
HS SB, empennage, tanks, wings, fuse, working finishing kit
Disclaimer
I cannot be, nor will I be, held responsible if you try to do the same things I do and it does not work and/or causes you loss, injury, or even death in the process.
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03-16-2014, 03:08 PM
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Join Date: Feb 2010
Location: GTA, Ontario
Posts: 826
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Yup!
I covered every rivet in the tank and the entire rib. I also encapsulated the entire baffle flange on the outside. I probably went over board, but I don't have any leaks!
http://www.mykitlog.com/users/displa...=150440&row=49
Don
Last edited by Don Patrick : 03-16-2014 at 03:11 PM.
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03-16-2014, 03:18 PM
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Join Date: Nov 2006
Location: Savannah, GA
Posts: 1,029
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I covered every single shop head, inside and out. Figured it wouldn't hurt, and it only takes a couple minutes. Just be sure to put down some wax paper on your spar and set the tank into position when the sealant is still somewhat pliable--you don't want it interfering with the beams!
First three tanks have passed the water manometer leak check; fourth tank will (finally!) be getting the baffle soon.
__________________
RV-7ER - finishing kit and systems installation
There are two kinds of fool in the world. The first says "this is old, and therefore good"; the second says "this is new, and therefore better".
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03-16-2014, 03:18 PM
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Join Date: Oct 2012
Location: Clearwater, FL KCLW
Posts: 1,281
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Agreed. I may lose a gallon of capacity to extra pro-seal, but I'll be damned if it'll leak. Passed all the leak tests, so I'm pretty hopeful....
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Chris Johnson
RV-9A - Done(ish) 4/5/16! Flying 4/7/16
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03-16-2014, 03:48 PM
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Join Date: Aug 2005
Location: Dallas/Ft Worth, TX
Posts: 5,668
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Quote:
Originally Posted by wirejock
Question
I'm using Rick's Faying surface method to assemble the tanks.
so far it's going well. I'm ready to rivet the inboard and outboard ribs now and have a question.
Did anyone encapsulate the shop heads on the inboard, outboard and baffle rivets?
They are not inside the tank but could possibly weep if fuel got past the fillet.
Other than a bit more weight I can't see any harm in sealing them.
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No harm sealing them but you can lay down a nice fillet seal inside so there should be absolutely no way it should leak from the rivets.
You must seal the shop heads inside so fuel can't leak down thru the rivet shank, different leak path than the external rivets.
__________________
Walt Aronow, DFW, TX (52F)
EXP Aircraft Services LLC
Specializing in RV Condition Inspections, Maintenance, Avionics Upgrades
Dynamic Prop Balancing, Pitot-Static Altmeter/Transponder Certification
FAA Certified Repair Station, AP/IA/FCC GROL, EAA Technical Counselor
Authorized Garmin G3X Dealer/Installer
RV7A built 2004, 1700+ hrs, New Titan IO-370, Bendix Mags
Website: ExpAircraft.com, Email: walt@expaircraft.com, Cell: 972-746-5154
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03-16-2014, 05:48 PM
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Join Date: Oct 2005
Location: Estes Park, CO
Posts: 3,931
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Comments
Thanks everyone. Proseal everywhere it is!
__________________
Larry Larson
Estes Park, CO
http://wirejockrv7a.blogspot.com
wirejock at yahoo dot com
Donated 12/03/2019, plus a little extra.
RV-7A #73391, N511RV reserved (2,000+ hours)
HS SB, empennage, tanks, wings, fuse, working finishing kit
Disclaimer
I cannot be, nor will I be, held responsible if you try to do the same things I do and it does not work and/or causes you loss, injury, or even death in the process.
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03-16-2014, 05:55 PM
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Join Date: Oct 2012
Location: Clearwater, FL KCLW
Posts: 1,281
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Quote:
Originally Posted by rmartingt
I covered every single shop head, inside and out. Figured it wouldn't hurt, and it only takes a couple minutes. Just be sure to put down some wax paper on your spar and set the tank into position when the sealant is still somewhat pliable--you don't want it interfering with the beams!
First three tanks have passed the water manometer leak check; fourth tank will (finally!) be getting the baffle soon.
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You know you can't go wrong when 2 ramblin' wrecks agree...go jackets!
__________________
Chris Johnson
RV-9A - Done(ish) 4/5/16! Flying 4/7/16
Last edited by YellowJacket RV9 : 03-16-2014 at 06:03 PM.
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