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  #1  
Old 04-07-2021, 06:26 PM
jdog0411 jdog0411 is offline
 
Join Date: Aug 2019
Location: Parker, Colorado
Posts: 42
Default Filling Fuel Tank Rib Tooling Holes - Question

Hi everyone,

I'm working on my fuel tanks for my 14A and have what is probably a dumb question, but i searched and didn't come up with anything.

The fuel tank ribs have two tooling holes each, and the plans say to fill these with 3/16 rivets. All of the ribs have these holes, and the plans say to fill them all in. I'm assuming that only the inboard and outboard ribs need to have these holes filled, correct? I can't think of a reason why the inboard ribs would need to be filled since they are internal to the tank, but maybe there is a reason I'm not thinking of. Wanted to check before I install the ribs and then find out I have to plug these holes while they are in place. Thanks!
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Parker, CO
RV-14A Under Construction
Empennage Kit arrived on 10/11/19.
Vertical Stabilizer DONE
Rudder DONE
Began Horizontal Stabilizer 01/28/20.
Horizontal Stabilizer DONE
Started Elevators on 02/24/20.
Elevators DONE
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Wing kit arrived on 7/30/20.
Began wing kit on 8/4/20.
Donated: 2021
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  #2  
Old 04-07-2021, 06:34 PM
Girraf Girraf is offline
 
Join Date: Dec 2017
Location: Southern Maryland
Posts: 151
Default

On my RV-7, the outboard rib was the only tooling hole that needed some sort of cover or 3/16 rivet (builders choice). The inboard rib tooling hole ended up getting covered by doubler ring and access panel. I left all inboard ribs alone. Can't imagine why the 14 would need inboard rib tooling holes closed up.
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  #3  
Old 04-07-2021, 06:37 PM
jdog0411 jdog0411 is offline
 
Join Date: Aug 2019
Location: Parker, Colorado
Posts: 42
Default

Thanks for the reply, that was my thought as well. The 14 actually doesn't have the access panel in the rib like other models, so the inboard rib has to have the holes plugged as well.

I'll go with just the inboard and outboard ribs and leave the inboard ribs as they are. Will save me a few minutes of time. Thanks!
__________________
Parker, CO
RV-14A Under Construction
Empennage Kit arrived on 10/11/19.
Vertical Stabilizer DONE
Rudder DONE
Began Horizontal Stabilizer 01/28/20.
Horizontal Stabilizer DONE
Started Elevators on 02/24/20.
Elevators DONE
Tailcone DONE
Wing kit arrived on 7/30/20.
Began wing kit on 8/4/20.
Donated: 2021
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  #4  
Old 04-07-2021, 09:04 PM
PilotjohnS PilotjohnS is offline
 
Join Date: Jan 2016
Location: Southwest
Posts: 1,354
Default Old school mod

I am not sure about the RV14, but on my RV9, I enlarged the tooling holes on the ribs inside the fuel tank to help with filling the tanks. Something to consider.
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John S

WARNING! Information presented in this post is my opinion. All users of info have sole responsibility for determining accuracy or suitability for their use.

Dues paid 2021, worth every penny

RV9A- Status:
Tail 98% done
Wings 98% done
Fuselage Kit 98% done
Finishing Kit 35% canopy done for now
Electrical 65% in work
Firewall Forward 5% in work
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  #5  
Old 04-07-2021, 10:42 PM
jdog0411 jdog0411 is offline
 
Join Date: Aug 2019
Location: Parker, Colorado
Posts: 42
Default

Thanks John, I will take that into consideration. I am planning on installing the ribs in the first tank tomorrow, so I will need to decide quickly. I'm following your build by the way....very inspiring!
__________________
Parker, CO
RV-14A Under Construction
Empennage Kit arrived on 10/11/19.
Vertical Stabilizer DONE
Rudder DONE
Began Horizontal Stabilizer 01/28/20.
Horizontal Stabilizer DONE
Started Elevators on 02/24/20.
Elevators DONE
Tailcone DONE
Wing kit arrived on 7/30/20.
Began wing kit on 8/4/20.
Donated: 2021
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