This evening I made the first flight in Cozy N75CZ.  The plane got it's

off on Wednesday, and I spent that last few days tweaking various things,
and doing the taxi testing.

I made several high speed taxi tests today, and by the time I was ready,

temperature was up to 93 degrees, and the density altitude was a plus 2000
over MSL, so I decided to wait until evening.  I made the flight at about
8:00 PM EDT, and it was still 87 degrees, but at least the sun was

down.

There are certainly allot of emotions, and thoughts that go through your
head when you push the throttle forward for that first flight.

The flight was pretty uneventful with the exception of a few squawks.  I
have a turbo charge Mazda rotary engine, and the temps were a little

than I had seen, and definitely higher than I like to see. The water got

to about 220, and the oil was just about 208.  As a result, I didn't climb
very high, and keep the flight short.  I only flew once around the

On the downwind, the temperature was on the decline, (210 & 190) and
actually when I throttled back on final, they dropped off pretty quick.

/ 180).  I'm yanking the thermostat out tomorrow morning, before the next
flight

I'm making my "official" first flight for family and friends tomorrow in

morning.  I just didn't want to make a very first flight with a big
audience.  The other things that went wrong were that the electric pitch
trim didn't work.  I had tested it several times, but Murphy must has been
riding co-pilot.  I tested when I got back on the ground, and it still
wouldn't work.  .It seemed to be stuck, and would only make a ratcheting
sound. I messed around with it, and got it working, but then it quit

I have some white grease on the threads, but I may have to use a light oil
or something.  The third thing, and probably the most minor, is that I

a little too much pitch on the prop.  Climb performance wasn't real good,
and I was not turning the RPMs that I should have been, only about 5000.

have a Ivo Prop quick adjust prop, so I'll crank it back a few degrees
before the flight tomorrow.

The plane few very smoothly, though pitch was an issue, since I couldn't

it to trim.  I think that the pitch on the Cozy is more touchy than roll
anyway.  Since I couldn't trim the pitch and didn't fly very long, I

couldn't fly it hands off, but I didn't feel any roll tendencies, so

I built the wings correct, or I messed them both up the same amount in
opposite directions, because it seems to fly pretty straight.

I pulled the cowling off went I got down to check and see if everything

still screwed, clamped, nailed, and glued down still.  Everything looked
fine.  Aside from keeping a wary eye on the temps, it was awesome.  I was
way too focused on flying the plane, and keeping an eye on the airport to
enjoy it too much, but when I was on the downwind, I was much more relaxed
than I thought I would be.  I'm really looking forward to the next flight,
which I plan on making a little longer.  I only flew .2 tonight, so maybe
I'll do a whole 1/2 hour tomorrow.  Who knows.

Steve Brooks
Cozy MKIV N75CZ
Turbo Rotary



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