Re: Europa-List: Carb Balancing

[D McFadyean <amimcfadyean@talktalk.net>]

Or Viton.

> On 15 September 2021 at 13:57 William Daniell <wdaniell.longport@gmail.co
m> wrote:
> 
>     I agree with David - I had air being sucked into my bowls but only ab
ove 11500.    Nitrile is the way to go.
>     William Daniell
>     LONGPORT
>     +1 786 878 0246
> 
> 
>     On Wed, Sep 15, 2021 at 5:32 AM <davidjoyce@doctors.org.uk mailto:dav
idjoyce@doctors.org.uk > wrote:
> 
>         > > 
> >         I would look seriously at the possibility that you have air lea
king into the carburettor bowl. This now seems to be a fairly common issue 
with older 914s that still have the old paper gaskets. Typically folk spend
 months and a small fortune trying to work out what is happening before rep
lacing the gaskets with the new Rotax rubber ones and =98living happi
ly ever after!=99  Tends to produce very rough running at 3500+ rpm a
nd reluctance to produce any greater revs - very disturbing if taking off f
rom a short runway! Look out the article in Europa Flyer a year or two ago 
by Jim Butcher (assuming you are in the club it is available and searchable
 on the website). David Joyce, GXSDJ
> > 
> >          
> > 
> > 
> >         On 2021-09-14 22:53, Mallard wrote:
> > 
rd" <james@kingdom.ie mailto:james@kingdom.ie >
> > > 
> > >             Has anyone had the experience of balancing the carbs on a
 Rotax 912 type engine and after a couple of hours of smooth running across
 all revs you suddenly get rough running at 3500 rpm.
> > > 
> > >             If you experienced a similar situation, how did you deal 
with it?
> > > 
> > >             I'd also be interested to hear from any 914 owners on the
 forum who have had the above 'Carb Balancing' problems & what was done to 
keep the Carbs Balanced?
> > > 
> > > 
> > >             Thanks for any contributions.
> > >             James
> > > 
> > >             --------
> > >             Seat of my pants
> > > 
> > > 
> > > 
> > > 
> > >             Read this topic online here:
> > > 
> > >             http://forums.matronics.com/viewtopic.php?p=503143#5bsp
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> > > 
> > > 
> > > 
> > >              http://www.matronics.com/Navigator?Europa-List
> > > 
> > >         > > 
> >     >