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Fuel Flow Problems

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Roger.Mills(at)btinternet
Guest

Posted: Mon Jul 12, 2010 2:13 am Post subject: Fuel Flow Problems

Mike Gamble wrote:  

   

“---------------  

Can anyone confirm the flow rate expected with no pressure applied?  

Have I got myself a duff pump?  

I=92m ready to get the engine fired up when this is sorted so any help   

would  

be appreciated.  

   

Mike  

   

G-CFMP”  

----------------------------------  

   

Mike,  

   

I managed to conduct some tests on Saturday and the results are (electric pump only):  

   

Max pressure with no flow = 4psi  

   

Maximum flow unrestricted ((at) entrance to mechanical pump and also last carburettor) = 90 l/h  

   

Flow at 2.2 psi =  50.2 l/h.   

   

It looks as if you've either a constriction/obstruction or a faulty electric pump.   

   

It seems worth trying to measure output from pump outlet then progressing along the line maybe?   

   

Hope this helps  

   

Best Regards  

   

Roger Mills  

G-BVUV  

   

G-BVUV  

   

   

       [quote][b]

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