VansAirForceForums  
Home > VansAirForceForums

-POSTING RULES
-Advertise in here!
- Today's Posts | Insert Pics

Keep VAF Going
Donate methods

Point your
camera app here
to donate fast.

  #1  
Old 05-17-2020, 10:43 AM
jamjac jamjac is offline
 
Join Date: Jan 2019
Location: apple valley, ca
Posts: 3
Default RV-6A fuel tank

I am trying to remove a leaking fuel tank on an RV-6A. I have removed all the screws in the wing, the fuel fittings and the bolt at the leading edge. It will not move. Am I missing something.

I am an A&P but this is the first time I have worked on an RV to this extent.
Any help is appreciated
Reply With Quote
  #2  
Old 05-17-2020, 10:58 AM
RVDan RVDan is offline
 
Join Date: Jun 2012
Location: Frederick, MD
Posts: 938
Default

There is the root fitting At the leading edge in addition to the skin screws and that should be it. Paint Or corrosion? Unless someone ?improved on the plans?. One fuel supply line and vent line. Wire for fuel qty sender
__________________
Dan Morris
Frederick, MD
PA28-140
Hph 304CZ
RV6 built and sold
N199EC RV6A flying
Retired Aerospace Engineer and A&P/IA
Reply With Quote
  #3  
Old 05-17-2020, 11:03 AM
Mel's Avatar
Mel Mel is offline
 
Join Date: Mar 2005
Location: Dallas area
Posts: 11,136
Default

Quote:
Originally Posted by jamjac View Post
I am trying to remove a leaking fuel tank on an RV-6A. I have removed all the screws in the wing, the fuel fittings and the bolt at the leading edge. It will not move. Am I missing something.
I am an A&P but this is the first time I have worked on an RV to this extent.
Any help is appreciated
Two things can make this a difficult procedure. First, as I'm sure aware of, is paint.
The other is that the dimpled screw holes are seated into the countersunk spar. Sometimes these can hold very tightly.
There should be nothing else holding the tank on.
Later models such as the RV-7 & -8 have "Z" brackets bolted to the spar, but unless the builder has modified, the -6 does not have these. If the builder did add these, evidence would be inspections covers on the bottom just aft of the spar.
__________________
Mel Asberry, DAR since the last century. Over 1,000 certifications accomplished. Discount for Veterans, Law Enforcement, Fire Fighters.
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>
Reply With Quote
  #4  
Old 05-17-2020, 11:15 AM
RONSIM's Avatar
RONSIM RONSIM is offline
 
Join Date: Feb 2008
Location: Largo, FL
Posts: 1,069
Default Popsicle sticks to lift countersinks

I had to use popsicle sticks under the back edges, top and bottom, to relieve the countersinks (dimples) from the spar.

Ron
__________________
RV-10 Co-built, maintained, flown (sold)
RV-8A Maintained and flown (Sold)
RV-6A (Sold) Bought and Flying (N177RV), upgrades $$$
IO360, 180HP/CS, AFS 5600T, D10A, G650, G430, G327, ADS-B, VIZ385 AP
Very Happy Contributor
Comm, SMEL, CFII, A&P
Based at KCLW (Clearwater, FL)
Reply With Quote
  #5  
Old 05-17-2020, 12:39 PM
jamjac jamjac is offline
 
Join Date: Jan 2019
Location: apple valley, ca
Posts: 3
Default

Thanks,
I will check to see if that is what is holding the tank on,

Jamjac
Reply With Quote
  #6  
Old 05-17-2020, 08:12 PM
Pmoran's Avatar
Pmoran Pmoran is offline
 
Join Date: Apr 2015
Location: Onalaska, Wisconsin
Posts: 42
Default Pictures if possible

If possible, could you post some pictures to show what you’ve done from a couple different angles?

If not, I understand. I’m curious as to what you’re looking at and I didn’t build the 6A I’m flying. It has inspection panels underneath.

Thanks,
Pat

Last edited by Pmoran : 05-17-2020 at 08:16 PM.
Reply With Quote
  #7  
Old 05-17-2020, 10:51 PM
az_gila's Avatar
az_gila az_gila is offline
 
Join Date: Jan 2005
Location: 57AZ - NW Tucson area
Posts: 10,011
Default

Quote:
Originally Posted by Pmoran View Post
.....It has inspection panels underneath.

Thanks,
Pat
Hopefully those inspection panels are not in the fuel tank area....
__________________
Gil Alexander
EAA Technical Counselor, Airframe Mechanic
Half completed RV-10 QB purchased
RV-6A N61GX - finally flying
Grumman Tiger N12GA - flying
La Cholla Airpark (57AZ) Tucson AZ
Reply With Quote
  #8  
Old 05-19-2020, 10:31 AM
Diverdad Diverdad is offline
 
Join Date: Nov 2016
Location: Seven Lakes, NC
Posts: 15
Default

Quote:
Originally Posted by jamjac View Post
Thanks,
I will check to see if that is what is holding the tank on,

Jamjac
I just reinstalled the right fuel tank on my RV-6. After removing all screws top and bottom as well as fuel fittings and wing fuselage attach bolt I just gave the tank a strong pull and it popped free from the dimples. Be ready to catch the tank. That was the advice from Vans support.
__________________
Andy Wegrzyn
GA USAF Airline
RV-6 N776R
Dues paid
Reply With Quote
  #9  
Old 05-19-2020, 11:22 AM
rvbuilder2002's Avatar
rvbuilder2002 rvbuilder2002 is offline
 
Join Date: Jul 2005
Location: Hubbard Oregon
Posts: 9,560
Default

Tank removal is made easier if you primarily pull fwd on the tank at the inboard end.
This causes the screw dimples at the outboard end to disengage sequentially from back to front as the tank pivots on the leading edge.
This reduces the force required vs all of the dimples disengaging at the same time.
__________________
Opinions, information and comments are my own unless stated otherwise. They do not necessarily represent the direction/opinions of my employer.

Scott McDaniels
Hubbard, Oregon
Van's Aircraft Engineering Prototype Shop Manager
FAA/DAR
RV-6A (aka "Junkyard Special ")
Reply With Quote
Reply


Thread Tools Search this Thread
Search this Thread:

Advanced Search
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

vB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Forum Jump


All times are GMT -6. The time now is 11:09 PM.


The VAFForums come to you courtesy Delta Romeo, LLC. By viewing and participating in them you agree to build your plane using standardized methods and practices and to fly it safely and in accordance with the laws governing the country you are located in.