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  #11  
Old 06-10-2014, 09:34 PM
jpowell13 jpowell13 is offline
 
Join Date: Nov 2008
Location: Baton Rouge, LA
Posts: 671
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Doug,

I was wondering if you considered removing the rear baffle since you need access to every bay. I had to cut two holes in my right tank which worked fine but full access would be nice.

[ed. The thought has crossed my mind! I'm only two days in, so I'm still forming a plan. dr]

I just replaced two leaky rivet a on the bottom of the right tank with blind rivets which seems to work fine. Don't remember which tank I built first but all the problems were on the right side.

John

Last edited by DeltaRomeo : 06-11-2014 at 05:07 AM.
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  #12  
Old 06-11-2014, 12:53 AM
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jjconstant jjconstant is offline
 
Join Date: Dec 2006
Location: Oakland CA
Posts: 771
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I thought I was the only one that managed to break a screwdriver bit! And of course after 7 plus years of using them during the build, it only demonstrates that it can break AFTER the plane is painted
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  #13  
Old 06-11-2014, 06:41 AM
RKellogg RKellogg is offline
 
Join Date: Oct 2009
Location: Newark, IL
Posts: 287
Arrow ... removing #2 Phillips screws

A few years ago the wife gifted me a diminutive little 12v cordless impact driver, which I greeted with a veiled measure of disdain. I have seen power drivers ruin phillips screws for years. Well, one afternoon when the carpal tunnel was acting up I pulled the little impact driver out of the box, and in short order was really impressed at how efficiently it removes stubborn Phillips drive screws without ruining the screw. The impact driver works much better than just putting a #2 Phillips bit in a drill or a driver, can't explain the physics of it. New favorite power tool!
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  #14  
Old 06-11-2014, 07:02 AM
wilddog wilddog is offline
 
Join Date: Feb 2008
Location: va.
Posts: 523
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When I removed my tanks to get the slosh out, several phillips head screws stripped so that the screw driver wouldn't grip them. I used a removal tool that has a drill on one end to drill a shallow hole into the screw, then you use the other end in a very slow turning ccw drill to back the screw out. It worked perfectly! Now at annual, I give each screw a little turn to keep them from seizing. Also that paint cutter tool worked better for me screwed into a countersink thing to control the depth and avoid cutting into the skin. Still didn't work all that well, I think it is best to not paint over the screws.

Last edited by wilddog : 06-11-2014 at 07:10 AM. Reason: Addition
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  #15  
Old 06-11-2014, 07:23 AM
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akarmy akarmy is offline
 
Join Date: Jan 2005
Location: Auburn, WA
Posts: 668
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Full solidarity with you Doug and others! In case you need a template for the job ahead...

Fuel tank repair by akarmy, on Flickr

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Covington WA

RV-8 - Flying!
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  #16  
Old 06-11-2014, 08:43 AM
compren compren is offline
 
Join Date: Mar 2005
Posts: 78
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This is not a timely thread for a guy just starting to seal his first tank...



-John
Houston
RV-7A (Wings, Tanks)
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  #17  
Old 06-11-2014, 08:47 AM
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Gregg Brightwell Gregg Brightwell is offline
 
Join Date: Jan 2007
Location: Benton, Kansas
Posts: 259
Default Bad timing

[quote=compren;887608]This is not a timely thread for a guy just starting to seal his first tank...



Amen John, I have the stiffeners sealed on, and starting ribs......

Gregg
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-4 Emp and Wings complete!
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  #18  
Old 06-11-2014, 09:05 AM
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Mel Mel is offline
 
Join Date: Mar 2005
Location: Dallas area
Posts: 10,768
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Quote:
Originally Posted by compren View Post
This is not a timely thread for a guy just starting to seal his first tank...
-John
Houston
RV-7A (Wings, Tanks)
Just do it correctly and carefully the first time and you won't have worries.
My -6 has been flying for over 21 years with no leaks, as have many, many others.
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USAF Vet, High School E-LSA Project Mentor.
RV-6 Flying since 1993 (sold)
<rvmel(at)icloud.com>
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  #19  
Old 06-11-2014, 07:11 PM
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ccsmith51 ccsmith51 is offline
 
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Location: Orlando, FL
Posts: 1,077
Default Talk to your dental hygenist...

Twice a year I have me teeth cleaned. I always ask my hygienist if she has any of her torture tools that she wants to get rid of. I always get a few tooth scrapers. They are great for cleaning plugs. And I found, since I had to remove both tanks for the RV-4 I purchased, that they are also great for removing the paint in the screws.

Also, use a very small amount of valve grinding compound on the screwdriver bit. You will be amazed at how much that helps the bit grip the screw....
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Maule M5-180C (Sold)
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  #20  
Old 06-13-2014, 10:00 PM
jarhead jarhead is offline
 
Join Date: Jan 2006
Location: PA
Posts: 264
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Quote:
Originally Posted by ccsmith51 View Post
Also, use a very small amount of valve grinding compound on the screwdriver bit. You will be amazed at how much that helps the bit grip the screw....
THIS.

I use valve grinding compound on stubborn Phillips screws at least once a week. Use it straight from the tube; no need to mix w/ water for this application.
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My RV-9/8/7 dream may be on life support, but it ain't dead yet!
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