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Date: Sat, 20 Aug 2011 13:40:21 -0500
Message-ID: <CAHh3jbN1MFAS26ZncjEby3RsdDQYBU+GxuEdk1f0xZLbGUZhJw@mail.gmail.com>
Subject: Finally, some REAL In-Flight data...
From: Mark Steitle <msteitle@gmail.com>
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
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Here's some video data for you.  http://www.youtube.com/watch?v=dZrADAieO6w

It was taken this morning with a Flip video camera during my takeoff run and
climb to about 4k msl.  OAT was 78.  Initially, the mixture was set the same
as my last report as indicated by the EM-2's mixture bar.  Then I adjusted
the mixture a bit richer, toward "best power".  Best I can tell, the fuel
flow went to 28.6 gph.  Sorry for the jerky video but my cameraman had the
shakes.  I stopped recording when the sun blanked out the EM-2's screen.  I
need to design a camera mount before I try this again.

Prop was set to 2100 rpm for initial takeoff, then to 1900, and finally to
1700.  Max engine RPM (that I can read) was 6926, but dropped back to
approx. 6350 as speed increased (prop still set to 2100).  You can hear
engine rpm drop when I changed prop setting.

It should be noted that the primary oil and water temps are on the EFIS, not
the EM-2.

Mark S.

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<div>Here&#39;s some video data for you. =A0<a href=3D"http://www.youtube.c=
om/watch?v=3DdZrADAieO6w">http://www.youtube.com/watch?v=3DdZrADAieO6w</a>=
=A0</div><div><br></div><div>It was taken this morning with a Flip video ca=
mera during my takeoff run and climb to about 4k msl. =A0OAT was 78. =A0Ini=
tially, the mixture was set the same as my last report as indicated by the =
EM-2&#39;s mixture bar. =A0Then I adjusted the mixture a bit richer, toward=
 &quot;best power&quot;. =A0Best I can tell, the fuel flow went to 28.6 gph=
. =A0Sorry for the jerky video but my cameraman had the shakes. =A0I stoppe=
d recording when the sun blanked out the EM-2&#39;s screen. =A0I need to de=
sign a camera mount before I try this again.</div>
<div><br></div><div>Prop was set to 2100 rpm for initial takeoff, then to 1=
900, and finally to 1700. =A0Max engine RPM (that I can read) was 6926, but=
 dropped back to approx. 6350 as speed increased (prop still set to 2100). =
=A0You can hear engine rpm drop when I changed prop setting.</div>
<div>=A0</div><div>It should be noted that the primary oil and water temps =
are on the EFIS, not the EM-2. =A0</div><div><br></div><div>Mark S.</div>

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