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  #1  
Old 05-17-2021, 10:09 AM
Craw's Avatar
Craw Craw is offline
 
Join Date: Nov 2019
Location: Ottawa, ON
Posts: 18
Default QB Wing Flop Tube install

Good Day All,
I'm looking for pictures or a link to a blog from someone who has installed a Flop Tube on RV-7A QB wings. All the previous posts or links I have found appear to be broken.

Any insight into the install especially with pictures would be appreciated.

All the best,


Phil
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  #2  
Old 05-17-2021, 10:22 AM
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bhester bhester is offline
 
Join Date: Jan 2005
Location: Hopkinsville, KY
Posts: 1,032
Default Here is mine

Here is a picture of mine from 2007

Click image for larger version

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Do to unrelated reasons, I am in the process of doing it again right now.

Click image for larger version

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I’ll have more of the actual flop tube install soon
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  #3  
Old 05-17-2021, 10:32 AM
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wirejock wirejock is offline
 
Join Date: Oct 2005
Location: Estes Park, CO
Posts: 4,671
Default Flop tube

If you install it, make sure you add an antirotation bracket. There's no way to hold the fitting when you tighten the line and it can rotate and leak.
I didn't add one. I dont plan any inverted so I may remove it and switch to a standard pick up and cap the flop tube fitting for future use. I haven't joined the wings yet so it's fairly easy.
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Donated 01/01/2021, plus a little extra.
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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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  #4  
Old 05-17-2021, 10:41 AM
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Craw Craw is offline
 
Join Date: Nov 2019
Location: Ottawa, ON
Posts: 18
Default

Thanks All. Since Im working from a QB wing will I need to remove the tank or can the work be done with the sealed tank on the wing?
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  #5  
Old 05-17-2021, 11:01 AM
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bjdecker bjdecker is offline
 
Join Date: Jun 2005
Location: Georgetown, TX
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Default

Quote:
Originally Posted by Craw View Post
Thanks All. Since Im working from a QB wing will I need to remove the tank or can the work be done with the sealed tank on the wing?
You'll need to open up the tank; there are some parts (anti-hang up bracket, trap door, etc.) that are different...

Have you reviewed the plans yet? DWG 16A shows this.
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Last edited by bjdecker : 05-17-2021 at 11:04 AM.
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  #6  
Old 05-17-2021, 11:06 AM
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rv8ch rv8ch is offline
 
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Location: LSGY
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Default

Quote:
Originally Posted by Craw View Post
Thanks All. Since Im working from a QB wing will I need to remove the tank or can the work be done with the sealed tank on the wing?
You could probably do it with the tank on the wing, but it will be easier with it off. Specifically, you'll want to shake out any chips or other debris, which will be easier with just the tank. It only takes 5 mins to unbolt/unscrew the tank from the wing.
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  #7  
Old 05-17-2021, 01:14 PM
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Craw Craw is offline
 
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Location: Ottawa, ON
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Default

Thanks again for the feedback. I haven't reviewed the plans yet I just wanted to get an idea of whats involved.

Cheers,

Phil
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  #8  
Old 05-26-2021, 06:30 PM
agent4573 agent4573 is offline
 
Join Date: Aug 2019
Location: Mountain view
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Default

http://www.rv7build.com/left-fuel-tank-part-i-4-5-hrs/
http://www.rv7build.com/left-fuel-tank-part-ii-8-0-hrs/
http://www.rv7build.com/left-fuel-ta...t-iii-8-0-hrs/

You can do the flop tube install with the tank on, but if you're relocating the resistive fuel level sensor to the back wall of the tank, the tank has to come off. I didn't look into capacitive installs, so I'm unsure if those require tank removal.
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Last edited by agent4573 : 05-26-2021 at 06:37 PM.
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