I
finally calibrated the AOA in my ES today with the help of Pat Brunner
(N98PB-IVP). Thanks again Pat.
It
was something I intended to do early on but with one thing and another ….(blah
blah blah). Finally, with the admonition of one of the regular
contributors to these forums, and some decent weather I finally got it done. The
zero G maneuver was rather fun, but certainly is something different for those
of us who use our machines to get from A to B, usually with the wife sitting
next to us. There were two eye opening events which took place right afterwards
that I’m writing to relate.
First,
to make sure the warning (ANGLE ANGLE PUSH PUSH) worked I slowed and slowly
pitched up to trip the threshold. Right as the system was starting to yell the
elevator forced started to fall off sharply, and to keep the angle of attack from
increasing too far I had to sharply reduce to force on the stick. Perhaps if I
had trimmed most of the force out prior rather than just use the Armstrong
method the change wouldn’t have been so noticeable. All I could think of
was the advise/caution given by one of our more experienced brethren who
comments that they wouldn’t fully stall an aircraft they were testing if
they noticed this characteristic. I only know what I’ve been told, but
this appeared to me to reinforce the advice that some of these aircraft have
stall characteristics you may not want to experience personally.
The
other thing I noted was on the downwind to base turn, when at 90kts indicated
and ~15 deg flaps the AOA was tickling the top yellow bars, getting far closer
to the red area than I ever considered prudent. A slight relaxation of pressure
and everybody was happier. What I learned is the AOA isn’t in the panel
because it has pretty colors and looks cool. It’s there to be used.
As a
side note, I finally reweighed my ES, now that the last accessories, paint and
interior have been added. I was surprised to find the plane has taken on a
characteristic of the owner and gained far more weight than I realized (203#!).
While I don’t know how much was paint/interior, verses other additions, if
you think the increase is insignificant you might be in for a surprise.
Paul
Bricker
N63PB