The Revmaster carby was flow tested to match the Renesis engine.

There
efficiency is a lot better than the Bing on the Jabiru. with the Bing
static was 2600 rpm and with the Revmaster 2700+. The throttle
response is instant and I need to be careful. I only use the screw on
the verier throttle on power up. I used ram air with the setup and
found it was way to lean at the top end. After filling the needle to
richen the top end it is performing great. I think the 38 mm carb
would have been enough as I now don't use wide open throttle and the
slide is restricted by the stops for the last 6mm.


In the evaluation
of this setup one has to consider there is no need for a fuel pump and
they run on gravity feed. I have always's been concerned about the high
pressure fuel in the engine bay and you will say good bye with a leak.
I have now flown 50 hour with the Revmaster on the Jabiru 3300 powered
Pulsar. I believe that this is the way we should be going as we don't
need to adapt a motor vehicle system to suite the aero situation.

I can now cruise at 150 knots plus using 14 liter per hour. I have a
great combination in this setup. Today I flew down South to a farm fly
in. Once again the throttle response on the sort strip was great and
the many people that where watching where all impressed.
In conclusion we are not looking for the flexibility of the computer
EMS and we don't need it as our propeller curve will show a straight
line with a fixed pitch.

I will dyno the new setup in the next few months.
I agree with you Paul that the best system would be a PP engine. The
combination with this type of carby and a simple system to fire the
ignition set at 20 deg advance is all we require.
If you go to a constant speed or a in flight adjustable then you may
need a more advance system.