Reply-To: <steve@tsisp.com>
From: "Steve Brooks" <steve@tsisp.com>
To: "Fly Rotary \(E-mail\)" <flyrotary@lancaironline.net>
Subject: 2nd Flight Report
Date: Sat, 22 May 2004 14:10:11 -0400
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Today was the 2nd flight of Cozy N75CZ.  This one was longer than the first,
but still only about 30 minutes.  I removed the thermostat, and took some
pitch out of the prop, which both helped the temperatures quite a bit.  I
still need to get used to the pitch sensitivity of the Cozy.  I'm probably
gripping the stick too tight also.  I'm sure that there are imprints of my
hand in the grips from a couple of hours ago.

The fastest I went was about 120 knots, and mostly I just cruised around
the airport at 100-100 knots.  I stayed a little outside of the normal
traffic pattern, but not by very far.  The temps in climb got up to 210
water and 190 oil, but when I leveled off and pulled the throttle back to
zero boost at 4500 RPM's, it cooled down to 200 and 180.  It liked that spot
real well.  I flew at that speed awhile and then power up a little to climb
a few hundred feet.  Temps held.  When I descended to pattern altitude
(about 600 feet), it cooled down to 180 water and 170 oil, in just that
short time... maybe a minute at most.  While at that speed, 3500, I started
to get some surging.  Not allot, in fact the tach only showed a 50 rpm
swing, but I could hear and feel it.

The winds were favoring runway 27, which was not my first choice because
there are lots of trees off that end, and no good landing spots if needed.
By the time that I decided to make the flight the density altitude was
getting up there, and it was almost 90 degrees.  Also the visibility was
only 5 miles, which isn't good either.

I did check out a few more things on this flight handling wise, with some
turns, and some flight at 80 knots.  My first landing yesterday was really
good.  Today's' landing made up for it.  Well, actually, the actual landing
was pretty smooth, but getting there was very ugly.  I hit a high sink rate
while on short final (maybe got a little slow), so I pushed the nose, and
gave it power, resulting also in a increase in speed.  I crossed the
threshold at about 90 knots and flared at about 80.  You can probably guess
how far I floated.  Every time I tried to set the canard on the horizon to
land, it would start climbing, and I would have to work it back down.  This
repeated 2 or 3 times.  Good thing that the airport has a 5000' runway.  I
was also amazed at how long, and slow it flew in ground effect.  I'm not
sure of the exact speed, but it was pretty slow.  The last I saw was 70
knots, and it flew quite a while after that.  I think that I need to add an
anchor.

No real squawks with the plane this flight.  I didn't pull the cowling
today, because it was so hot outside by the time I took it back to the
hanger.  I'll do another check before the next flight. I have a couple of
rough spots between idle and 2000, couple that with the surging I got at
3500, I think that I may go back to the default programming and start over
tuning.  My original tuning was done with a good sized air leak, so I'm sure
that there are issues.

Steve Brooks
Cozy MKIV N75CZ
Turbo Rotary