Yes, but in the case of the R1100, that's because you have no way of
remapping the injection system (currently optimised as you say for emissions
and road use) for your requirements.
Compare and contrast with my Subaru Impreza - remapping those for power,
torque, lag reduction, etc. is very common. I'm not suggesting those types
of mappings for an aircraft engine (overstressing the Rotax would not be
good :-)), but trying to indicate that an electronic injection and ignition
would give much greater tuning flexibility.
Cheers,
Jeremy
Jeremy Davey
Europa Monowheel 537M G-EZZA
Tail done
Standard XS wings with mods underway
CM installed in fuse (with airbrakes fittings)
1200 build hours to date
Intended fit:
Rotax 914 turbo, Airmaster CS fully-feathering prop
Lots of lights, buttons, switches, gizmos, and alarms
-----Original Message-----
From: owner-europa-list-server@matronics.com
[mailto:owner-europa-list-server@matronics.com] On Behalf Of Duncan
McFadyean
Subject: Re: Europa-List: Rotax 912 S E.G.T's
<ami@mcfadyean.freeserve.co.uk>
Oh no! I feel another Jeremy Davey modification coming on!!
Actually, the best way to get additional power from the electronically
controlled fuel injection on the BMW R1100 is to .....................fit
carburettors!
But that's probably because the original system is optimised for road use
and low emissions, which is the main benefit and reason for widespread use
in cars.
Duncan McF
----- Original Message -----
From: "Jeremy Davey" <EuropaFlyer_3@msn.com>
Subject: RE: Europa-List: Rotax 912 S E.G.T's
>
> I remain amazed that no-one has yet come up with an add-on for the Rotax
> that replaces the carburettors and magnetos with multipoint electronic
> injection and electronic ignition. The benefits would seem obvious: better
> economy, more power, longer TBO, better starting, etc.
>
> The more I think about it, the more I think the Europa community is big
> enough to drive such an exercise. Anyone else interested?
>
> Regards,
> Jeremy
>
> Jeremy Davey
> Europa Monowheel 537M G-EZZA
> Tail done
> Standard XS wings with mods underway
> CM installed in fuse (with airbrakes fittings)
> 1200 build hours to date
> Intended fit:
> Rotax 914 turbo, Airmaster CS fully-feathering prop
> Lots of lights, buttons, switches, gizmos, and alarms
>
>
> -----Original Message-----
> From: owner-europa-list-server@matronics.com
> [mailto:owner-europa-list-server@matronics.com] On Behalf Of Graham
> Singleton
> To: europa-list@matronics.com
> Subject: Europa-List: Rotax 912 S E.G.T's
>
> <graham@gflight.f9.co.uk>
>
> >At other power settings the rear cylinders run a lot cooler than the
front
> >and there is often an imbalance left to right on the rear. The front
> >cylinders are far better behaved.
> >
> >I haven't tried swapping probes around to see if the imbalance is down to
> >instrument error, but doubt that it is. Rather, appalling inlet manifold
> >design allied to the shared cylinders not operating 360 degrees apart is
> >likely to blame.
>
> I found exactly the same with the 912 and came to the same conclusion.
Time
> Rotax gave us fuel injection.
> I believe Ellison did a throttle body installation for the 912. I had good
> experience with one on a Lycosaurus but haven't heard about any Rotax
> installations
> Graham
>
>
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