Hi Bill,
The HP reading is useless until the fuel flow has been accurately
calibrated and the mixture monitor is operating properly. Calibrating
the fuel flow is sometimes no small task. I could have made it easy
by using an external fuel flow sensor (the Lycoming version of the EM2 uses one)
but that adds over $250 to the cost.
Have not written up the details yet but have discovered a big reason
why the Mazda injectors appear to flow much more that the numbers on them would
explain when used with the EC2 engine controllers. Steve Boese was
very helpful in identifying this anomaly. It's been driving Ed Anderson
and me nuts for some time.
I'm testing a simple mod right now which makes the injectors flow
much closer to what they should. It also makes it easier to get
a smoother engine idle at a lower rpm. More after testing is
complete.
Tracy
----- Original Message -----
Sent: Thursday, March 08, 2007 10:37
AM
Subject: [FlyRotary] The truth????
"Doesn't have to be long, doesn't have to be prose, doesn't
even have to
be the truth - just write and make some outlandish claim -
like 250Hp at
4200 rpm {:>) or the unbelievable efficiency of pinched
ducts - that'll
get some attention."
Hey! I didn't build the
instrument...I just read the numbers off of it!
Heck! I don't even
know how it works well enough to understand why it
reads so high!!??
:>)
And I still think it looks good! :>)
Bill
B
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