Subject: [FlyRotary]
Re: EM2 users
Local barometric pressure is 30.02, so I expect it to
give me this number as MP. With EC2 turned off it reads MP as 29.2
– I assume it is reading this with the sensor in the EM2. With EC2
on (data feed from EC2) it reads 32.3. Neither of the readings is
correct. Should I be concerned?
First, I'd like to point
out that I don't have the best answers for your questions, but I'll say what I
can.
Tracy explained
that there's only one calibration area for the MAP reading, so you can only
have one sensor correct. Since you have an EC-2, that's the one you'll
use. As for the reading you're getting with the EC-2 turned on, but
engine not running, ignore it. Mine read 20.4, and I'm guessing it's the
last reading that it sampled when the engine was running
Good point.
Battery voltage reads about .75 lower than my voltmeter reads
at the breaker.
I haven't checked the
voltage cal on mine, but imagine that if anything is correct, this would
be. When you say at the breaker, do you mean the breaker that feeds the
EM-2?
At the feed terminal to the wire that goes to
the EM2 – no diodes. Interesting that it read .40 low on battery 1 that
had 12.48 volts and .95 low on battery 2 that was at 12.2 volts. It was
giving me LOW VOLTAGE warning on battery one, so the alarm must be just under
12.
The RWS air temp sensors (I have 3) all read 6-8
degrees lower than actual air temp (75F at the time). I expect these
should be accurate.
If you're referring to the 3 wire sensors, Tracy
said they were always very accurate by definition, assuming they're wired correctly
Somewhere in the manual he suggests using these
as reference, so I’m a bit surprised these are off. They are all
three wired correctly.
On a more amusing note; I set the fuel quantity at
5.0, and it read that for the first day. Today it read 4.9 and I haven’t
run the engine. Not very good mileage.
Thanks for input. I’ll go play some
more.
Al