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  #21  
Old 10-07-2017, 08:23 AM
David-aviator David-aviator is offline
 
Join Date: Feb 2005
Location: Chesterfield, Missouri
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Originally Posted by roadrunner20 View Post
Almost 4 years now still not leaking.
Going on 5 years since build and recently have several weeping rivets left tank at bottom aft flange. Not serious, just enough to make blue ring around rivets.

Have feeling this will require tank removal and aft baffle surgery to repair. It would be hard to get tank dry and push sealant uphill successfully, but considering it.

Install of aft baffle is tricky, probably pushed too much sealant down to get adequate seal. Right tank is ok - so far.
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  #22  
Old 10-07-2017, 02:01 PM
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roadrunner20 roadrunner20 is offline
 
Join Date: Feb 2005
Location: Bay Pines, FL (based @ KCLW)
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Quote:
Originally Posted by David-aviator View Post
Going on 5 years since build and recently have several weeping rivets left tank at bottom aft flange. Not serious, just enough to make blue ring around rivets.

Have feeling this will require tank removal and aft baffle surgery to repair. It would be hard to get tank dry and push sealant uphill successfully, but considering it.

Install of aft baffle is tricky, probably pushed too much sealant down to get adequate seal. Right tank is ok - so far.
Hi David,
My post was related to my previous ones in which I've gone 4 years with the syringe fixed weeper and it's still not leaking.
I've now been flying my RV 11 years now.
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  #23  
Old 10-08-2017, 10:55 PM
Darin Watson Darin Watson is offline
 
Join Date: May 2011
Location: Calgary, AB
Posts: 141
Default Syringe method

Due to a bee plugging the vent to my left tank and pullng almost full vacuum, I ended up with two weeping rivets, likely lifted a thin spot on the sealant. Dam glad the tank did not collapse!

Anyway, I had read this thread and thought of a bit of a modification to the syringe and loktite method. My weep was very small on each of the two rivets only getting a little blue after a week or so.

I took a 1/2 syringe and cut the tip down to about 1/16 and then stacked 3 - 1/4 o-rings glued to the syringe and together. This configuration allowed me to squeeze the loktite as hard as I could push on the syringe and the o-rings squeezed down and sealed very well.

For what it is worth I used red loktite as I only had red and blue in the tool box and red seemed a little thinner. Repeated 3 times with a day or more between to allow for the loktite to cure. Seems to have solved the problem.
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  #24  
Old 10-09-2017, 04:51 AM
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Saville Saville is offline
 
Join Date: May 2014
Location: KBVY Massachusetts
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Originally Posted by Darin Watson View Post
I took a 1/2 syringe and cut the tip down to about 1/16 and then stacked 3 - 1/4 o-rings glued to the syringe and together. This configuration allowed me to squeeze the loktite as hard as I could push on the syringe and the o-rings squeezed down and sealed very well.

.
what glue did you use> What were the O-rings made of?

thanks!
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  #25  
Old 10-09-2017, 04:08 PM
Darin Watson Darin Watson is offline
 
Join Date: May 2011
Location: Calgary, AB
Posts: 141
Default Syringe method

Quote:
Originally Posted by Saville View Post
what glue did you use> What were the O-rings made of?

thanks!
Just used Gorilla glue and standard rubber o-rings. By the 3rd go the glue was cracking but the seal was fine.
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  #26  
Old 09-05-2019, 02:45 PM
Pilotjim77 Pilotjim77 is offline
 
Join Date: Jun 2018
Location: CHESHIRE, MA
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Originally Posted by Steve Melton View Post
well, not much to see but here is the offending rivet. it's been several days with a full tank (to the brim) and no weeping as was before. who knows how long it will last but I'm going to paint it and take my chances right after I finish sanding these freek'in wheel pants.







Steve, any chance you still have these pictures? I have a weeping rivet on the bottom of my left tank. Also, will this procedure work on a bottom rivet?

Thanks, Jim
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  #27  
Old 09-05-2019, 02:53 PM
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roadrunner20 roadrunner20 is offline
 
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Location: Bay Pines, FL (based @ KCLW)
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Originally Posted by Pilotjim77 View Post
Steve, any chance you still have these pictures? I have a weeping rivet on the bottom of my left tank. Also, will this procedure work on a bottom rivet?

Thanks, Jim
Yes. It will work on a bottom rivet. Mine has been leak free for almost 6 years now.
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  #28  
Old 09-08-2019, 01:24 PM
Pilotjim77 Pilotjim77 is offline
 
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Originally Posted by roadrunner20 View Post
Yes. It will work on a bottom rivet. Mine has been leak free for almost 6 years now.
Thanks, Danny.
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  #29  
Old 09-17-2019, 11:01 AM
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bobair43 bobair43 is offline
 
Join Date: Dec 2007
Location: Beverly NJ
Posts: 17
Default weeping fual tank rivet

I had a couple leaking rivets . I didn't use Loctite I used thick CA glue. I pressured it in with air pressure from the outside. My rv7a n838wt was finished in 2005 tanks still not leaking. Although I think using the proseal
should work I didn't think I could thin it enough.
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