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Fuel system contamination

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rstone4(at)hot.rr.com
Guest

Posted: Sun May 13, 2007 5:33 am Post subject: Fuel system contamination

Members,

      I have not had my ZodiacXL  for very long and was unaware of the center fuel drain until a friend pointed it  out to me.  When I opened the valve nothing but black materiel came out  eventually turning green then finally blue.  I have no idea what this  materiel was but I suspect auto fuel.  I did not build this aircraft but  got it from a man in Ringwood, Oklahoma and I suspect he used auto fuel to fly  the 40 hours off.  Have any of you Zodiac601XL builders had an experence  like this and what action did you take.

  

 Tracy  Stone                       DO NOT ARCHIVE

 Zodiac601XL

 Harker Heights, Tx

   [quote][b]

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larry(at)macsmachine.com
Guest

Posted: Sun May 13, 2007 6:15 am Post subject: Fuel system contamination

It nearly sounds like the guy tried to use the same can for his plane 

and a 2-cycle lawn mower.  Aside from that, perhaps he put

an additive in thinking it would mix and stabilize his fuel over 

winter.  If he used a bad float, it may have gone south too.  I'd at the 

least

get a flashlight and a mirror in the tank after emptying it and have a 

good look inside.



Larry McFarland at www.macsmachine.com

do not archive



robert stone wrote:

 	  Quote: 	
		   Members,

      I have not had my ZodiacXL for very long and was unaware of the 

 center fuel drain until a friend pointed it out to me.  When I opened 

 the valve nothing but black materiel came out eventually turning green 

 then finally blue.  I have no idea what this materiel was but I 

 suspect auto fuel.  I did not build this aircraft but got it from a 

 man in Ringwood, Oklahoma and I suspect he used auto fuel to fly the 

 40 hours off.  Have any of you Zodiac601XL builders had an experence 

 like this and what action did you take.

  

 Tracy Stone                      DO NOT ARCHIVE

 Zodiac601XL

 Harker Heights, Tx

 *===========================



 *

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p.mulwitz(at)worldnet.att
Guest

Posted: Sun May 13, 2007 7:46 am Post subject: Fuel system contamination

Hi Tracy,



 Many kit built XLs use black rubber hose for fuel line.  I have heard many reports that this tends to turn the fuel funny colors until the hose is completely cleaned out.



 This is relatively common.  I wouldn't scrap the plane yet for this reason.



 Happy landings,



 Paul

 XL fuselage

 do not archive



 At 06:26 AM 5/13/2007, you wrote:

 [quote]Members,

      I have not had my ZodiacXL for very long and was unaware of the center fuel drain until a friend pointed it out to me.  When I opened the valve nothing but black materiel came out eventually turning green then finally blue.  I have no idea what this materiel was but I suspect auto fuel.  I did not build this aircraft but got it from a man in Ringwood, Oklahoma and I suspect he used auto fuel to fly the 40 hours off.  Have any of you Zodiac601XL builders had an experence like this and what action did you take.

  

 Tracy Stone                      DO NOT ARCHIVE

 Zodiac601XL

 Harker Heights, Tx

 

 [b]

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ronlee

Joined: 25 Dec 2006
Posts: 141

Posted: Sun May 13, 2007 8:23 am Post subject: Re: Fuel system contamination

I built a 701 and had the same problem with fuel color and tiny bits of material coming through. I washed the tanks very well with soap and water, and rinsed several times before installing them. I blew the fuel lines out with high pressure air before installation. After installation I ran at least five gallons of gas through each tank several times all the way to the carbs. untill the debris was (nearly) gone, I was sure everything was as clean as one could get the fuel components yet the fuel continued to come through colored and very small various colored particles after sitting a while. I am convinced it was all coming from  the black rubber fuel lines. After seventy five hours, all seems clear. All the fuel I add is filtered while being poured into the tanks. Nothing ever comes out of my fuel draines (four) any more.

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_________________
Ron Lee
Tucson, Arizona

rstone4(at)hot.rr.com
Guest

Posted: Sun May 13, 2007 1:55 pm Post subject: Fuel system contamination

Paul,

      No kit producer would  include rubber hoses in his fuel system because and petroleum products of any  kind will melt rubber. They use a hose in the flex line areas called  neoprene.

  

 Tracy Stone

 [quote]   ---

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ashontz

Joined: 27 Dec 2006
Posts: 723

Posted: Tue May 15, 2007 9:18 am Post subject: Re: Fuel system contamination

I agree, it sounds like 2-cycle oil, actually, it almost sounds like regualr motor oil used as 2-cycle oil, (you can do that but it smokes like hell). My boat has had the same black fuel lines for 11 years (yes, I shoud replace them), even so, I've never seen anything like that in my fuel/water seperator even after mixing stabilizer in the tanks and letting it sit over the winter.



 	  larry(at)macsmachine.com wrote: 	
		  It nearly sounds like the guy tried to use the same can for his plane 

and a 2-cycle lawn mower.  Aside from that, perhaps he put

an additive in thinking it would mix and stabilize his fuel over 

winter.  If he used a bad float, it may have gone south too.  I'd at the 

least

get a flashlight and a mirror in the tank after emptying it and have a 

good look inside.



Larry McFarland at www.macsmachine.com

do not archive



robert stone wrote:

 	  Quote: 	
		   Members,

      I have not had my ZodiacXL for very long and was unaware of the 

 center fuel drain until a friend pointed it out to me.  When I opened 

 the valve nothing but black materiel came out eventually turning green 

 then finally blue.  I have no idea what this materiel was but I 

 suspect auto fuel.  I did not build this aircraft but got it from a 

 man in Ringwood, Oklahoma and I suspect he used auto fuel to fly the 

 40 hours off.  Have any of you Zodiac601XL builders had an experence 

 like this and what action did you take.

  

 Tracy Stone                      DO NOT ARCHIVE

 Zodiac601XL

 Harker Heights, Tx

 *===========================



 *

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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:

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