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02-25-2016, 09:41 AM
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Join Date: Jan 2007
Location: Picton, Ont., Ft. Myers, Fl
Posts: 294
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sloshed tanks...again
Well after several years of dealing with sloshed fuel tanks on my RV4, I have decided to deal with them once and for all. It should be noted that I added fuel filters several years back and also finger screens inside the tanks.
Even though they look awful, I have never found any slosh in either of the fine bronze filters.
Reading previous articles on VAF about sloshing compound, I was made aware of Paul Beck. He operates WeepNoMore, a Company up in MN. that removes slosh and reseals tanks. Paul received my tanks yesterday and has started stripping them. He sent these pics.
I will update his progress.
I know there are several older threads that document this operation but since there are still questions popping up about slosh, I figured I would add my 2 cents...

__________________
Dave Main
Membership due Oct., 2020
RV-4 0-360-188 Catto 3-blade C-FTDQ...
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02-25-2016, 09:55 AM
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Join Date: Aug 2011
Location: Prather, CA
Posts: 191
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Wow, the tanks on my 1993 vintage RV-6 are sloshed but look NOTHING like those.
There is slosh compound carefully applied along the pro-seal joints and the back wall, nowhere else. I watch them close as the SB suggests, but I haven't had even a tiny bit of the compound show up in a screen or sump.
I've heard nothing but good things about the work at Weep No More, you'll have some nice tanks when they come back.
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02-25-2016, 11:04 AM
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Join Date: Jan 2007
Location: Picton, Ont., Ft. Myers, Fl
Posts: 294
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$
And my wallet a bit lighter....
If my tanks are clean and tight, I will be a happy camper.
__________________
Dave Main
Membership due Oct., 2020
RV-4 0-360-188 Catto 3-blade C-FTDQ...
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02-25-2016, 11:24 AM
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Join Date: Jan 2005
Location: Charlottesville, Virginia
Posts: 1,230
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Tanks
Dave,
Thanks for the info/update.
My RV-6 tanks from 1994 were sloshed and leaking fuel. After considering the amount of work involved in repair/fixing them. I had Evans build me new ones and after fitting them to the plane, I had them painted to match.
My wallet was lighter too but I had new tanks!
I guess I had more money than time...:-(
The fitting to the plane was a small job compared to chemicals. Vans actually sells a replacement parts kit with oversized skins for a trim to fit install. I had the kits shipped to Evans and he shipped the finished tanks to me.
Just another option for sloshers to consider.
__________________
Bob Martin
RV-6, 0-360 Hartzell C/S, Tip up, 1200+TT
James extended cowl/plenum, induction, -8VS and Rudder. TSFlightline hoses. Oregon Aero leather seats.
D100-KMD150-660-TT ADI2- AS air/oil seperator. Vetterman exhaust with turndown tips.
Louisa, Virginia KLKU N94TB
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02-25-2016, 11:45 AM
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Join Date: Jul 2015
Location: Europe
Posts: 601
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Why does this happen?
That looks terrible. Maybe this is a silli question but how does this happen? And why does it not seem to be a thing with 45 year old Cessna's? Or am I just misinformed...
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02-25-2016, 01:07 PM
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Join Date: Jan 2007
Location: Picton, Ont., Ft. Myers, Fl
Posts: 294
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Quote:
Originally Posted by RV7ForMe
That looks terrible. Maybe this is a silli question but how does this happen? And why does it not seem to be a thing with 45 year old Cessna's? Or am I just misinformed...
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Apparently it was an issue for some Piper aircraft. Haven't heard that Cessna used Sloshing compound. I have read that if the inside of the tanks was prepped properly, the slosh adhered better. Mine was hit and miss. I remember removing a large flake a while ago.
__________________
Dave Main
Membership due Oct., 2020
RV-4 0-360-188 Catto 3-blade C-FTDQ...
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02-25-2016, 06:13 PM
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Join Date: Jul 2015
Location: Cole camp, mo
Posts: 24
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Sloshed tanks
I just installed my -4 tanks after having Paul @ weepnomore remove the slosh. The tanks look like new inside. Excellent service and great workmanship from Paul.
__________________
James Stoppel
RV8 Purchased Flying
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02-26-2016, 02:04 AM
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Join Date: Jan 2011
Location: Sydney, Australia
Posts: 370
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Quote:
Originally Posted by RV7ForMe
That looks terrible. Maybe this is a silli question but how does this happen? And why does it not seem to be a thing with 45 year old Cessna's? Or am I just misinformed...
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Don't Cessnas use bladders inside the wings for fuel tanks?
(maybe it depends on the Cessna)
- mark
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[ Paid up on 3 Feb 2020 ]
RV-6 VH-SOL
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02-26-2016, 06:44 AM
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Join Date: Apr 2010
Location: Covid Country-SoCal
Posts: 1,081
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Quote:
Originally Posted by newt
Don't Cessnas use bladders inside the wings for fuel tanks?
(maybe it depends on the Cessna)
- mark
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To my knowledge, Cessna hasn't used bladders for sometime. The 1978 182RG had bladders while the 1979 model used wet wings. All of the late model 172s have wet wings.
-Marc
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RV-10
N814RV
2020 Donation Made
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02-26-2016, 08:21 AM
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Join Date: Jan 2007
Location: Picton, Ont., Ft. Myers, Fl
Posts: 294
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Quote:
Originally Posted by Stoppel
I just installed my -4 tanks after having Paul @ weepnomore remove the slosh. The tanks look like new inside. Excellent service and great workmanship from Paul.
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That's what I'm counting on!! 
__________________
Dave Main
Membership due Oct., 2020
RV-4 0-360-188 Catto 3-blade C-FTDQ...
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