Matronics Email Lists :: View topic

Matronics Email Lists
Web Forum Interface to the Matronics Email Lists

Get Email Distribution Too! FAQ Search Memberlist Usergroups Register

Profile Log in to check your private messages Log in

Fuel Tank Sealer

Matronics Email Lists Forum Index -> Zenith-List

View previous topic :: View next topic

Author Message

challgren(at)mac.com
Guest

Posted: Thu Apr 13, 2006 7:55 pm Post subject: Fuel Tank Sealer

List:



We previously built a 601 HDS and our EAA technical advisor strongly  

recommended we seal our tanks before installing them.  We got  

Randolph Products #912 sloshing compound from Aircraft Spruce and  

sloshed all four tanks.  While we never had any fuel leaks in the  

four + years we flew the aircraft I am now wondering if it is  

necessary with the Zenair tanks as they seem to be very  

professionally done.



I am working on the right wing now and installation of the tank is  

close at hand.  I am wondering what the experience has been with  

those who have installed Zenair tanks.  I would appreciate  

information on those who have installed Zenair built tanks and if any  

fuel leaks have developed; and, if so, what might have been the  

problem.  If you have installed their tanks and did not slosh them;  

have you had any problems with them?  How long installed, and number  

of hours flown would be very helpful.



One other question is prompted by the April 2006 EAA Sport Pilot  

Magazine.  On page 30 of the article on the RANS S-7LS there is a  

picture of the sight gauge for their 9-gallon tank.  I have also  

noted that the Aviat Husky has a sight gauge.  I was always thankful  

we had a sight gauge on our HDS and would like to do the same on the  

wing tanks of my 701.  Has any one used a sight gauge on their 701;  

and, if so, how was it installed?



Thanking you in advance for your responses.



Stan Challgren

701/?

- The Matronics Zenith-List Email Forum -

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

http://www.matronics.com/Navigator?Zenith-List

frank.hinde(at)hp.com
Guest

Posted: Thu Apr 13, 2006 8:28 pm Post subject: Fuel Tank Sealer

I had a leak in a 601 wing tank at around 200 hours...Too sharp a bend

on the flange that was welded and it cracked.



I also know of an aircraft that made a forced landing in a field due to

sloshing compound...It made dangly strings which hardened and broke off

in flight plugging the fuel filters.



Frank



601HDS 395 hours



--

- The Matronics Zenith-List Email Forum -

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

http://www.matronics.com/Navigator?Zenith-List

graham(at)601hd.com
Guest

Posted: Fri Apr 14, 2006 2:20 pm Post subject: Fuel Tank Sealer

Stan,

I've heard of people having problems with sloshing compounds breaking up in

the tank when they are exposed to different fuel additives such as MTBE.

Bits peel of the tank wall and hopefully get caught in the filter before

reaching the carb.



Perhaps if you stick to avgas you will be okay but I suggest you dig through

the various archives before you make a final descision.  It's easy enough to

get the sloshing compound into the tank but a bugger to get it out if you

change your mind .



Graham Kirby

601HD



=========



We previously built a 601 HDS and our EAA technical advisor strongly  

recommended we seal our tanks before installing them.  We got  

Randolph Products #912 sloshing compound from Aircraft Spruce and  

sloshed all four tanks.  While we never had any fuel leaks in the  

four + years we flew the aircraft I am now wondering if it is  

necessary with the Zenair tanks as they seem to be very  

professionally done.



Stan Challgren

701/?

- The Matronics Zenith-List Email Forum -

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

http://www.matronics.com/Navigator?Zenith-List

n801bh(at)netzero.com
Guest

Posted: Sat Apr 15, 2006 5:25 am Post subject: Fuel Tank Sealer

I researched this very extensively before I used the Randolph 912 compound in my 801 tanks. The only failures I could find where the ones where there was a leak in an existing tank that already had fuel in them. That fuel leaves a residue that is next to impossible to remove for the compound to attach properly to the wall of the tank. There is not one instance where I found a failure in tanks that were treated while in a virgin  { prefuel} state and properly prepped. I am sure there is additives out there somewhere they use in gas that might attack the compound though. YMMV..

Ben Haas

N801BH

www.haaspowerair.com



-- "Graham Kirby" <graham(at)601hd.com> wrote:




Stan,

I've heard of people having problems with sloshing compounds breaking up in

the tank when they are exposed to different fuel additives such as MTBE.

Bits peel of the tank wall and hopefully get caught in the filter before

reaching the carb.



Perhaps if you stick to avgas you will be okay but I suggest you dig through

the various archives before you make a final descision.  It's easy enough to

get the sloshing compound into the tank but a bugger to get it out if you

change your mind .



Graham Kirby

601HD



=3D=3D=3D=3D=3D=3D=3D=3D=3D



We previously built a 601 HDS and our EAA technical advisor strongly  

recommended we seal our tanks before installing them.  We got  

Randolph Products #912 sloshing compound from Aircraft Spruce and  

sloshed all four tanks.  While we never had any fuel leaks in the  

four + years we flew the aircraft I am now wondering if it is  

necessary with the Zenair tanks as they seem to be very  

professionally done.



Stan Challgren

701/?



 

 

 





I researched this very extensively before I used the Randolph 912 compound in my 801 tanks. The only failures I could find where the ones where there was a leak in an existing tank that already had fuel in them. That fuel leaves a residue that is next to impossible to remove for the compound to attach properly to the wall of the tank. There is not one instance where I found a failure in tanks that were treated while in a virgin { prefuel} state and properly prepped. I am sure there is additives out there somewhere they use in gas that might attack the compound though. YMMV..

BenHaas

N801BH

www.haaspowerair.com



--"GrahamKirby"graham(at)601hd.comwrote:

--Zenith-Listmessagepostedby:"GrahamKirby"graham(at)601hd.com



Stan,

I'veheardofpeoplehavingproblemswithsloshingcompoundsbreakingupin

thetankwhentheyareexposedtodifferentfueladditivessuchasMTBE.

Bitspeelofthetankwallandhopefullygetcaughtinthefilterbefore

reachingthecarb.



PerhapsifyousticktoavgasyouwillbeokaybutIsuggestyoudigthrough

thevariousarchivesbeforeyoumakeafinaldescision.It'seasyenoughto

getthesloshingcompoundintothetankbutabuggertogetitoutifyou

changeyourmind:-).



GrahamKirby

601HD



=3D=3D=3D=3D=3D=3D=3D=3D=3D



Wepreviouslybuilta601HDSandourEAAtechnicaladvisorstrongly

recommendedwesealourtanksbeforeinstallingthem.Wegot

RandolphProducts#912sloshingcompoundfromAircraftSpruceand

sloshedallfourtanks.Whileweneverhadanyfuelleaksinthe

four+yearsweflewtheaircraftIamnowwonderingifitis

necessarywiththeZenairtanksastheyseemtobevery

professionallydone.



StanChallgren

701/?

- The Matronics Zenith-List Email Forum -

Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:

http://www.matronics.com/Navigator?Zenith-List

Display posts from previous:

	Matronics Email Lists Forum Index -> Zenith-List	All times are GMT - 8 Hours
Page 1 of 1

Jump to:

You cannot post new topics in this forum
You cannot reply to topics in this forum
You cannot edit your posts in this forum
You cannot delete your posts in this forum
You cannot vote in polls in this forum
You cannot attach files in this forum
You can download files in this forum