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gascolators

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tonyrenshaw268(at)gmail.c
Guest

Posted: Sat Jun 26, 2010 11:38 pm Post subject: gascolators

Gidday,

I have a small Andair, that I probably am NOT going to use, and am looking for alternatives. Ideally I'd like a clear bowl solution so that I wouldn't have to open it up unless a visual inspection through the sides indicated a problem. The small glass (?) filters supplied by Europa may well satisfy that, but I know the fuel filtering capability is near to nought. I have an Ezy-Flow 90 micron aluminium circular cartridge filter that I think I'll probably use on my Reserve side, and ironically I might use a smaller filter or gascolator on my Main side. So, I am interested if there is a gascolator other than Andair that someone has used, and is happy with in operational use? 

Thanks in anticipation.

reg

Tony Renshaw

Sydney Aussie

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mikenjulie.parkin(at)btin
Guest

Posted: Sun Jun 27, 2010 12:43 am Post subject: gascolators

 	  Quote: 	
		  > that, but I know the fuel filtering capability is near to nought. 


	


Tony,



I am using the Sytec Pro filters as supplied by Europa.  Do you have the

data that led you to the above conclusion.



Regards,



Mike

Do not archive



Checked by AVG - www.avg.com 

07:35:00

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hurstkr(at)redzone.com.au
Guest

Posted: Sun Jun 27, 2010 2:53 am Post subject: gascolators

Tony,



 	  Quote: 	
		   So, I am interested if there is a gascolator other than Andair that

 someone has used


	


If you really want a see through gascolator, see if there is a wrecker in

Sydney with a gascolator from a C172.

They have a glass bowl and a drain tap on the bottom.  . . .  well at least

my "F" model did !



Cheers

Kingsley

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mikenjulie.parkin(at)btin
Guest

Posted: Sun Jun 27, 2010 7:39 pm Post subject: gascolators

Tony,



I have a 914 installation.  I used the original plumbing layout circa 2000.

The standard fuel selector feeds the 2 fuel pumps mounted in parallel and

each pump has its own PRO filter.  I know that later than 2000 there was

much discussion about the necessity for check valves and I understand that

the latest build instructions reflect that change.  The latest drawing I

have seen puts the fuel pumps in series with a parallel check valve

arrangement designed to bypass a blocked pump I guess.  There was also a lot

of discussion about the fuel pressure to the engine.



In practice I have found that the original parallel pump arrangement works

well.  Testing the fuel flow to the engine I found that No 1 pump provided

89 L/Hr and No 2 pump 94 L/hr,  both pumps together gave about 200 L/Hr.  I

always filter the fuel when refuelling with the standard water/separator

funnel.  Until recently, I never had any  problems - changing the filters as

part of the maintenance routine rather than a necessity.

I also have a fuel pressure switch which feeds both a warning light and my

voice warning system.



After an extended layup, I emptied the tank and recalibrated the fuel

contents system.  I also checked the carb bowls for any gunge - there was a

little gummy residue that came out easily with carb cleaner.  A filter check

showed no problems.



On returning home from the Popham fly-in, I had several voice warning alerts

of 'Fuel Pressure Low' - nothing was seen on the Fuel Low Pressure light.

While working through the system fault diagnosis, I noticed a very short

flicker of the fuel pressure light with an attendant voice warning.  Having

changed tanks and tried the different fuel pump combinations (it was

necessary to trip the CB to isolate the No 1 pump) I concluded that the

problem was either a No 1 filter clogging or the No 1 pump on its way out.

Normal SOP, both pumps on below 1000 ft agl, a normal landing followed.



Inspection on the ground showed that No 1 fuel pump PRO filter was indeed

starting to clog.  Filter changed no further problems.



I was very pleased with the Voice Warning system it provided an early

indication of an impending problem that could be worked well before the

world went silent.



The twin PRO filter configuration does seem to work quite well and it offers

an alternative path for the fuel if one of the filters clogs - as I

understand it, some Andair installations result in a possible single point

of failure.  I guess 2 Andair filters is the perfect (but costly) solution.



In summary,  the PRO 805 filters are probably not the perfect solution, but

they do work.  There are many Europas out there with lots of hours happily

using the in line filters without problem.



All the above is just my opinion and probably not worth a lot.  (tin hat

on).



Regards,



Mike  (G-JULZ)

Do not archive.



--

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g-iani(at)ntlworld.com
Guest

Posted: Mon Jun 28, 2010 1:04 am Post subject: gascolators

Mike



You do not need your tin hat.



G-IANI has the same set up as G-JULZ and although not perfect it works very

well.  G-IRON has the serial pump setup which is no better, costs a lot more

and takes up more space.



My only contribution is that I have self sealing quick release connectors on

the system (see the attached picture).  This allows the whole thing to be

removed without fuel going every ware.



These connectors are not available from the usual sources (Europa and Demon

Tweeks) as they are 5/16.  You have to get them from a specialist and the

details are below



Tom Parker Limited  Web site www.tom-parker.co.uk



Each connector consists of a cPLCD17005V  coupling and a cPLCD2205 insert.

Both are self sealing

Ian Rickard G-IANI XS Trigear, 300hours

Europa Club Mods Specialist

e-mail g-iani(at)ntlworld.com

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