Frans=0AI recommended this mod ten years ago, quite a few have done it. Nev
er could understand why the factory didn't copy it.=0A"Not invented here" s
yndrome I guess!=0A=0AGraham=0A=0A=0A=0A________________________________=0A
From: Frans Veldman <frans@privatepilots.nl>=0ATo: europa-list@matronics.c
om =0ASent: Sunday, 22 July 2012, 0:35=0ASubject: Re: Europa-List: Talking
n <frans@privatepilots.nl>=0A=0AOn 04/26/2012 07:42 PM, Raimo Toivio wrote:
=0A=0A> But, when filling very last few litres, I have to do it very=0A> sl
owly.=0A=0AI had the same problem. I could never fill the tank at normal ta
nking=0Aspeed. The last 10 liters where a pain, but also at the beginning I
=0Acould not squeeze the tank nozzle all the way, always had to be carefull
=0Awith tanking or the filler tube would overflow.=0A=0ANow I had enough of
it.=0A=0ASomebody (I forgot who, but I'm very thankful) mentioned that inc
reasing=0Athe size of the breather hose would help.=0ASo, I took out the 3m
m hose and replaced it by a 16mm tube! And routed=0Ait into to the top of t
he cobra. It is only a short piece of tube, and=0Ait runs parallel to the f
iller hose. I had to bore out the plug that=0Agoes into the tank, and I als
o replaced the breather tube inside the=0Atank with a 16mm tube.=0A=0AThe r
esult is great! I test-tanked today at the local gas-station, and I=0Acould
fill the tank at full speed, al the way up to the top of the=0Afiller tube
. When the tanking nozzle finally kicked off, the tank=0A(including the fil
ler tube) was indeed full. No spilling, no burbling,=0Athe tank is like a b
lack hole until it has completely filled up.=0A=0AI can highly recommend th
is modification. Easy to do, and very=0Asatisfying if you have been plagued
by the slow tanking syndrome.=0A=0AMaybe 16mm is a little bit overdone, bu
t this is what I had at hand. And=0Aremember, it doesn't run to the outside
, but to the top of the cobra. If=0Aanything burbles out, it will just fall
back into the tank.=0A>From the top of the cobra another hose runs to a br
eather tube at the=0Abottom of the airplane. This tube is 3mm (or 1/4"). Th
is tube plays no=0Arole during tanking, but only when the fuel cap is close
d to keep the=0Apressure inside the tank equal to the atmospheric pressure
=- - - - - - - - - - - - - - - -Matt Dralle
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