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Why not just build the fuel system as per the plan

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dwilde(at)clearwire.net
Guest

Posted: Wed Sep 17, 2008 7:23 am Post subject: Why not just build the fuel system as per the plan

Brett Hanley wrote:

 	  Quote: 	
		   I have not heard of any problem building the fuel system as per the 

 plan.  What are we hoping to gain by changes? Speed? Simplicity? Save 

 money? Gain weight? I just do not see the need for modifications. 

  

 Brett Hanley

 N858BH

 701/ Subaru EA81

 40 hours

 Hilltown PA



 *



 _*

I built mine as per plan.  No problems after 30 hours.
	




Dan Wilde

N948DW



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sonar1@cox.net

Joined: 02 Oct 2007
Posts: 55
Location: Santa Barbara, Ca

Posted: Wed Sep 17, 2008 9:03 am Post subject: Re: Why not just build the fuel system as per the plan

Brett:

I didn't like having one full tank and one empty tank on landing, and having no control over it. At the minimum I would suggest putting an accessible valve in each line.

Bubbles in the lines were my problem. One bubble will stop the flow.

I also put in an ACS gascolator on the firewall - at least it has a screen - and am very happy with that.

Those who are putting in header tanks are really complicating everything. I would never do that.

Fred........N9701

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n85ae

Joined: 14 Mar 2007
Posts: 403

Posted: Wed Sep 17, 2008 11:11 am Post subject: Re: Why not just build the fuel system as per the plan

I built and fly a Kitfox with an Injected Continental IO-240B, with a header

tank. It's a very simple arrangement, and the header gives you a lot of

benefit.



For example. in a headerless system in a steep descent, if you for example

get some air in the fuel lines when the fuel feeds are exposed to air. Your

engine quits. This does not happen with a header. If you want to switch 

main tanks in flight the header prevent fuels flow interruptions from 

stopping the engine. If you have a header low sensor in the header, 

you have a bit of warning before your engine will actually quit (dependant

on header volume).



Regards,

Jeff

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