I agree with David - I had air being sucked into my bowls but only above
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> wrote:
> I would look seriously at the possibility that you have air leaking into
> the carburettor bowl. This now seems to be a fairly common issue with old
er
> 914s that still have the old paper gaskets. Typically folk spend months a
nd
> a small fortune trying to work out what is happening before replacing the
> gaskets with the new Rotax rubber ones and =98living happily ever a
fter!=99
> Tends to produce very rough running at 3500+ rpm and reluctance to produ
ce
> any greater revs - very disturbing if taking off from a short runway! Loo
k
> out the article in Europa Flyer a year or two ago by Jim Butcher (assumin
g
> you are in the club it is available and searchable on the website). David
> Joyce, GXSDJ
>
>
> On 2021-09-14 22:53, Mallard wrote:
>
>
> 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;-->
> <http://forums.matronics.com/viewtopic.php?p=503143#503143>http://www.m
atronics.com/Navigator
>  f="http://forums.matronics.com"; target="_blank"
> rel="noopener noreferf="http://wiki.matronics.com"; target="_blank"
> rel="noopener noreferre================
=======
> http://www.matronics=================
===
>
>
> <http://www.matronics.com/Navigator?Europa-List>
>
>
|