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Solid fuel lines

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steve.freeman(at)syntaxds
Guest

Posted: Wed Dec 07, 2011 12:42 pm Post subject: Solid fuel lines

Hi Guys,

 

Can anyone who switched out the ZAC supplied rubber fuel lines with solid line offer any advice and guidance on doing this?

 

I am thinking about running solid lines from my wings to fuel selector valve

Valve to Gascolator

Gascolator to engine.

 

Suggestions on what products to purchase (Especially connectors!!!) size of lines and tips on how to properly flare ends/make connections  or whatever else I might need to do would be greatly appreciated.

 

Any photos are of course always a super bonus.

 

thanks,

 

Steve Freeman

650B – Lycoming 0235

N902AL

Poking along on Fuselage but making progress.

Received brand new shiny engine on Sunday.  To cool!

  [quote][b]

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bryanmmartin

Joined: 10 Jan 2006
Posts: 1018

Posted: Wed Dec 07, 2011 1:47 pm Post subject: Solid fuel lines

I used 3/8" O.D. 3003 aluminum tube with AN flare fittings from the tank to the fuel valve because I didn't want to have to remove the wings to replace rubber lines sometime in the future. The rest of my lines are the supplied flexible hose. I did not have a 37° flaring tool for the fittings so I used a standard 45° flaring tool to partially flare the tube and tightened the fitting down to finish the flare. The 3003 tubing is soft enough to make this work and I have had no trouble with them in six years and 360 hours.



You should use some kind of flexible hose for the segment between the airframe and engine, otherwise the vibration of the engine in its mounts will likely cause a solid tube to fail.

On Dec 7, 2011, at 3:39 PM, Steve Freeman wrote:



 	  Quote: 	
		   Hi Guys,

  

 Can anyone who switched out the ZAC supplied rubber fuel lines with solid line offer any advice and guidance on doing this?

  

 I am thinking about running solid lines from my wings to fuel selector valve

 Valve to Gascolator

 Gascolator to engine.

  

 Suggestions on what products to purchase (Especially connectors!!!) size of lines and tips on how to properly flare ends/make connections  or whatever else I might need to do would be greatly appreciated.


	


-- 

Bryan Martin

N61BM, CH 601 XL,

RAM Subaru, Stratus re-drive.

do not archive.

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_________________
--
Bryan Martin
N61BM, CH 601 XL, Stratus Subaru.
do not archive.

vk3eka(at)bigpond.net.au
Guest

Posted: Wed Dec 07, 2011 9:58 pm Post subject: Solid fuel lines

Steve,

 

I did the same as Bryan and ran 3/8 tube from the tanks to the fuel selector. I also ran it to the fuel pumps on the firewall. Check out http://zodiac.cpc-world.com/images/IMG_0106_JPG.jpg. 

 

http://zodiac.cpc-world.com/images/IMG_1315_JPG.jpg shows the fuel selector end. You can see I mounted a coupling to the center section so I don't have to remove the center console sides if I have to remove the wings for any reason.

 

Not many other photos I'm afraid. All the fittings are AN and I used a flexible line from the fuel pumps to the carby. Don't use a solid line there otherwise you will experience cracking due to the engine vibration.

 

Follow Bryans advice regarding the tube ends. It the same method as I followed!

 

Have fun

 

Peter

Wonthaggi Australia

http://zodiac.cpc-world.com

 

 

 

 

From: owner-zenith-list-server(at)matronics.com [mailto:owner-zenith-list-server(at)matronics.com] On Behalf Of Steve Freeman

Sent: Thursday, 8 December 2011 7:39 AM

To: zenith-list(at)matronics.com

Subject: Solid fuel lines

 

Hi Guys,

 

Can anyone who switched out the ZAC supplied rubber fuel lines with solid line offer any advice and guidance on doing this?

 

I am thinking about running solid lines from my wings to fuel selector valve

Valve to Gascolator

Gascolator to engine.

 

Suggestions on what products to purchase (Especially connectors!!!) size of lines and tips on how to properly flare ends/make connections  or whatever else I might need to do would be greatly appreciated.

 

Any photos are of course always a super bonus.

 

thanks,

 

Steve Freeman

650B – Lycoming 0235

N902AL

Poking along on Fuselage but making progress.

Received brand new shiny engine on Sunday.  To cool! 	  Quote: 	
		     	
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  [quote][b]

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DaveG601XL

Joined: 27 Oct 2006
Posts: 351
Location: Cincinnati, Oh

Posted: Fri Dec 09, 2011 4:39 am Post subject: Re: Solid fuel lines

Same here.  3/8" 3003 aluminum tubing.  Although it is not shown in the attached pictures, where the line penetrated a rib or fuselage side skin, I used the silicone tape to provide chafe resistance.  I did find a reasonable priced 37 degree flaring tool on E-bay.  Flex lines from firewall to engine.



Good luck,

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_________________
David Gallagher
Cincinnati, OH area

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