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Re: Europa-List: Exhaust stub

Subject: Re: Europa-List: Exhaust stub
From: Andy Draper <andy@europaaircraft.com>
Date: Tue, 16 Sep 2003 10:34:03

Dear Paul,

Rotax changed the 914 silencer length and, at the same time, altered the stub 
type
and size.  I was aware of this back as far as Sun 'n' Fun this year only due
to spotting one of these silencers on an engine being displayed on the Kodiak
stand.   It's taken until now to secure some dimensional information with which
to design a new tail pipe.  The good news is that no welding will be required
this time, as the new version of stub is not tapered and also has the clamping
slots already in it

Any one out there who requires the new tail pipe, please would you make yourself
known to me, so that I can organise a list of those we need to supply.  I have
put you on the list, Paul, and we'll do our best to expedite the supply.


Best Regards
Andy Draper

Technical Director
e-mail   andy@europa-aircraft.com


>>> "paul stewart" <paul-d.stewart@virgin.net> 12/09/03 21:37:44 >>>

The 914 engine installation says to TIG weld a stub into the tapered silencer 
outlet
to allow the down pipe to clamped on. The silencer on my recently delivered
engine does not have a tapered outlet, rather a parallel sided on with 4 slits
on it. The piece of stub pipe is significantly smaller than the outlet and
will require a large amount of weld to fill the gap. In addition the slots in
the silencer outlet would appear to also need welding up as they are longer
than the stub. If this rambling means anything to anyone can you tell me if this
is a correct state of affairs.

Regards

Paul Stewart #432




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