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An additional supplier (and one that has been around for at least 15 years)
is
Airmaster. They are always at OSH and predated most of the others
available. They are also located in New Zealand
I used one on my dragonfly, uses Warp drive blades (3) and I was very happy
with it. It is constant speed)
(range about 120HP) I had an adaptor made for the unit in that the
hub is designed for a
rotax but the adaptor made it mate with My Norton Rotary (midwest) well. (I
think it was an SAE 1 or 2)
It is an AP308. I have it for sale. if anybody is interested send me an
e-mail and I will give them the real skinney.
Rich
In a message dated 2/7/2016 8:26:37 P.M. Pacific Standard Time,
flyrotary@lancaironline.net writes:
Hi
Charlie
I bought the Prop second hand and the company has now been sold.
Cheers
Steve Izett
I'd love to hear more about the prop. Google
couldn't seem to help me when I searched for it; is there a web site showing
the specs?
Charlie
On 2/7/2016 5:42 PM, Stephen Izett
wrote:
Hi Bobby
At this stage the prop is not constant speed, just adjustable.
So I could do I similar thing. Choose an Rpm.
Why was the 2100 RPM at the prop chosen? Did you determine this to
provide
Our EM3 RPM reading issue appears to be related to inj #1 signal as
the reading goes intermittent and low (from memory ~ 800 RPM) and the
Skyview suffering the same.
Steve
Steve,
Does
your prop have a constant speed controller or is it strictly manual
operated? One or possibly two folks flying MT electric constant speed
controllers have reported an rpm difference between the selected prop
rpm and the actual engine rpm. Mine is very
close.
Has
anyone else had the EM3 read rpm incorrectly at high RPM?- My EM3 screen sometimes shows the correct
rpm and then NOP and alternates every second or so. Reducing rpm seems
to correct the issue. I suspect it’s noise on the serial circuit. I plan
to replace the serial wiring with shield wire next time I have the panel
out. My AFS EM show correct rpm at all times and it reads the same
injector pulse.
One
other thought regarding tuning for 7500 rpm. Initially I had a lot of
trouble tuning with the constant speed electric prop. Tracy recommend I
run up full power, adjust the prop for 2100 rpm, lock it in manual
mode and tune at this condition. This made tuning easier since I wasn’t
chasing the changing prop loads. If your prop controller is manual only
then you may not encounter the same difficulties.
Bobby
Hi
Bobby
It's
an Electric 3 blade Aerotek from New
Zealand.
In
order to extend ground testing and tuning of the engine in 35+C (95+F)
I rigged some water spray onto the water
exchanger.
Water
temps now stay below 150F even at high load, and to my surprise Oil
temps stayed below 180F (I thought I might have to spray water on the
Oil Exchanger but not required)
I
reduced the pitch of the prop to allow a static rpm of approaching
7500rpm and without much missing she spun up
OK.
I
feel like Im starting to get familiar with the EC2 now and between
MODE 2 and 3 and just manual mixture adjustments she runs from idle to
7+K alright.
One
observation is that at around 6-7K RPM both the Dynon Skyview as well
as the EM3 fail to read the RPM
correctly.
Now
they are both taking their sensing from Injector
1.
The
EC2 of course gets its trigger signal from the Renesis CAS’s (main and
backup) and there is a mod on the back of the EC2 board that I took
was conditioning of the CAS signals.
Has
anyone else had the EM3 read rpm incorrectly at high
RPM?
After
balancing our prop, I’m hoping to begin playing with the EC2’s
closed loop mode, and then Timing with new BR10EIX
plugs.
Thanks again
Tracy for your gearbox and EC.
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