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Tanks leaking
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kulpa(at)att.net
Guest

Posted: Mon Jul 09, 2012 12:52 pm Post subject: Tanks leaking

I bought some Hysol from the Kitfox folks last year.  It's a Loctite product.

 

Best Regards, Bill



Cell: 512-415-2991

Home: 512-261-6375

From: "GREGSMI(at)aol.com" <GREGSMI(at)aol.com>

To: pulsar-list(at)matronics.com

Sent: Thu, July 5, 2012 10:17:42 PM

Subject: Re: Tanks leaking



      Barry, I do not remember what structural adhesive I tested, just know  the results. I would suggest you do some test on your adhesive to make  sure. I do know that adhesive manufactures have changed over the years so could  very well be a different product. Can you still buy Hysol? 

  

  

  

  In a message dated 7/5/2012 7:46:27 P.M. Central Daylight Time,  barrynorman(at)comcast.net writes:

  	  Quote: 	
		        

Greg,   

    

The tanks were put together with structural expoxy (Hysol) from the    factory. We must be talking about different expoxies.   

    

Barry



   

       

   

From: GREGSMI(at)aol.com

To:    pulsar-list(at)matronics.com

Sent: Thursday, July 5, 2012 4:59:26    PM

Subject: Re: Tanks leaking



   Do not use structural adhesive on the fuel    tank.  The structural adhesive I tested dissolves    in fuel with ethanol. Two things will happen, the adhesive in solution will    get to your filters and carbs and could partially or fully block fuel flow.    And, your tank will leak. None of that is good.

    

    

       	  Quote: 	
		       I can tell      exactly what you did from the pictures. That was a great help. Do you think      I could use structure adhesive mixed with flox instead of the epoxy? The      structural adhesive is very strong and I have plenty of it.



          From: "Jim Fillman" <pilot623(at)gmail.com>

To:      pulsar-list(at)matronics.com

Sent: Thursday, July 5, 2012 2:50:54      PM

Subject: Re: Tanks leaking



Barry,



I      have lots of information to give about the fix described by Mark Brown after      he saw the problem I had with my tanks. It would be easiest to give by phone      so give me a ring anytime you like. 512.789.5463



Greg,

This topic      might be worth 15 minutes at the fly-in.



Jim

Sent from my      Android



barrynorman(at)comcast.net wrote:



          

Went out to the hanger yesterday to install new main tires and noticed      both tanks had started leaking. One was leaking pretty bad and the other was      noticeable. The ironic thing is the gas ran down the gear legs and puddled      under the tires and ruined the tires that were already shot. Thank goodness      it didn't happen after I put the new tires on.     

      

Anyway, I thought this might be a result of the extreme temps we had over      the weekend (107 plus and maybe 140+ in the hanger). I inderstand that most      people replaced the sealant after about five years and it's been six for me.      Does anyone know which sealant is best to use? I know AircraftSpruce sells a      Polysulfide sealant in a 3.5 ounce tube. Are there any new products      that work any better?     

      

I haven't taken the wings off yet but was wondering if there are any      other things I should look for in terms of what caused this leak other than      sealant failure? It appears to be comming from the endcaps at this  point.     

      

Thanks,     

Barry Norman

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