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RE: Europa-List: Re: fuel pressure problem, urgent

Subject: RE: Europa-List: Re: fuel pressure problem, urgent
From: Bob Harrison <ptag.dev@tiscali.co.uk>
Date: Tue, 10 May 2011 09:05:03

Hi! Juergen.
I haven't been watching your messages but can't help wondering when you say
"tighter"? Surely you are fixing the restrictor in the pipe with a jubilee
clip to clamp it in place?
Regards
Bob Harrison G-PTAG

-----Original Message-----
From: owner-europa-list-server@matronics.com
[mailto:owner-europa-list-server@matronics.com] On Behalf Of europapa
Sent: 10 May 2011 06:54
Subject: Europa-List: Re: fuel pressure problem, urgent


Problem solved!

Yesterday I replaced all fuel hoses and had my first planed landing for
weeks.
Today I cut the replaced hose all the length from the electrical pump to the
mechanical pump and found a desquamation that worked like a valve, closing
when the fuel flow was high.
Fine but some questions remain:

The restrictor int the return line was not absent as the mechanics supposed
but the ordered one from Europa Aircraft is so much tighter than the one
once delivered with the kit. The hole in the first one is about 2mm and the
new one is 0,2mm!
Now with the tighter restrictor I achieve a bit more than 0,2bar fuel
pressure in the full power setting.
I never had a working fuel pressure gage till now so I do not know what the
pressure was with the original restrictor.
What kind of restrictor do you have installed and how high is your fuel
pressure?
Thank you so much for your assistance so far!

Juergen


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http://forums.matronics.com/viewtopic.php?p=339400#339400



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