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From: Bulent Aliev <atlasyts@bellsouth.net>
Subject: Re: [FlyRotary] Great Flight
Date: Mon, 11 Dec 2006 20:40:17 -0500
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>

Steve, you, Joe and John Slade are making me feel guilty. I have only =20=

8 hours :( Glad to hear that finally you are enjoying your plane.
Buly
On Dec 11, 2006, at 9:24 AM, Steve Brooks wrote:

> Yesterday, the weather was outstanding.  A little cool at 56 =20
> degrees, but sunny and no wind.  It was very nice to drive only 15 =20
> minutes to the airport, to take the plane up for a flight around =20
> the area.
>
>
>
> On the flight bringing it up to NC 2 weeks ago, I thought that the =20
> engine was running a little rich, and after trying option 9 to lean =20=

> it up, it really didn=92t change too much.  Then, in a moment of =20
> sheer brilliance, I decided to lean it a little more using mode 3.  =20=

> Still didn=92t change the mixture much, but I was happy with it, so I =20=

> left it alone.  When I throttled back upon arrival, the mixture =20
> bottomed out, and the engine stumbled pretty bad.  After a quick =20
> rotation of the mixture control, and a couple clicks on option 9, =20
> it was running good again, until I throttled back a little more, =20
> and started the cycle all over again.
>
>
>
> A couple of days later, I went to the airport and decided at this =20
> point, my best option was to return to factory default, and start =20
> over, which I did.  After tuning it for 10 minutes or so, I figured =20=

> it was good enough for a flight.
>
>
>
> After preflight and taxi, my oil temperature was at 140 degrees, =20
> but my coolant was still laying on the 100 degree peg.  That is =20
> quite different than normal.  I waited for a few minutes until it =20
> started to move, just to make sure that it was working.  When I =20
> took off, I pushed the throttle forward, and the engine roared to =20
> life.  It really roared to life, because it was running at about 8 =20
> lbs of boost.  I backed it down a little to 5 lbs, and it backfired =20=

> once, but then ran smoothly.   After climb out to about 2000 feet, =20
> the water and oil were only at 160 degrees, which was really a =20
> surprise.  It was a little cooler than normal, but the temperatures =20=

> were running about 20 degrees cooler.
>
>
>
> I flew for about 20 minutes, surveying my new flying area, and just =20=

> enjoying the view.  I then decided to check out the tuning and =20
> started lowering the power.  I found several points where the =20
> mixture was really lean, and I made adjustments (option 9 only) to =20
> get it where it needed to be.  I think that it probably tuned =20
> better now, than it ever has been, so I=92m not going to mess with it =20=

> anymore.
>
>
>
> Temperatures never did get above 160 degrees, which makes me wonder =20=

> if I had an air bubble in the cooling system that worked out =20
> during, or after the long flight 2 weeks ago.  Whatever it is, I =20
> like it.  I slowed up to 100 kits approaching the downwind, and =20
> made a perfect approach and landing.  After the decent and landing, =20=

> temperatures were at about 140 degrees, and the engine was running =20
> very good.
>
>
>
> It=92s very nice to can add fuel and fly, but I think that before my =20=

> next flight, I=92ll pull the top cowling, and just give everything a =20=

> once over, to make sure that everything is still good.  I=92ll also =20=

> re-torque the prop.
>
>
>
> Steve Brooks
>
> Cozy MKIV N75CZ
>
> Turbo Rotary =96 48 hours and counting.
>
>