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Chris, 
Check your static probe under the wing still has the black plug in place , can
get knocked of easily, result is ineffective asi ... ( you need a pressure 
differential
and this effectively cancels it out ) ..symptom is taxi test that shows
extreme asi lag .. 
disconnecting static line restores asi ... ( removes the balancing air stream )
...
Slight air leaks in asi feed do not create the same ( massive ) effect.
The actual flow when you try to blow through is also relatively high resistance
in normal operation .
Regards
Kevin Burns 
Sent from my iPad
> On 7 Dec 2020, at 20:36, Chris Callicott <c.callicott1@btinternet.com> wrote:
> 
> 
> Evening All, I am preparing a UK built (2007) Europa XS tri-gear which I 
> purchased
last year for a permit check flight. The aircraft has not flown for 7 years.
I believe I have a leak in the pitot tube system. Pitot and static lines
passing through the  fuselage to the instrument panel seem to be made of 
semi-opaque
hard plastic tubing approx 7.5mm OD and use 'push-fit' connectors. An adaptor
connects the push-fit connector to standard ?6mm flexible clear tubing
to the flight instruments.
> Is this a typical arrangement in Europas and where would I source the larger
tubing and push-fit connectors? Many thanks, Chris
> 
> 
> 
> 
> Read this topic online here:
> 
> http://forums.matronics.com/viewtopic.php?p=499625#499625
> 
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