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Date: Fri, 16 Jun 2006 12:57:11 -0500
From: Charlie England <ceengland@bellsouth.net>
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To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] N821GL status report
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Hutchison, Jason wrote:

> I have a little over an hour of flight time on my airplane now and 
> thought I would give the group a report. After first flight I decided 
> to change the exhaust system. I copied Bill Eslick and Tracy's system. 
> I am running Bill's SpinTech muffler. It is much quieter in the 
> cockpit now and ground reports indicate that my exhaust is slightly 
> deeper that Bill's but very close.
>
>  
>
> I have a long taxi to get to the runway. Temps at takeoff have been 
> 150-180 for oil and 190-210 temp for water. Reaching pattern altitude 
> I am at 210 -215 oil and around 225 for water temp.  After leveling 
> off oil stabilized to 205 and 210 water.  Lots of room for 
> improvement, but it has been 90 plus degrees for every flight. On the 
> last flight I noticed the upper cowl is bulging between fasteners. I 
> am waiting for Bill's upper louver experiment to decide weather to try 
> to exit the air high or low.
>
>  
>
> I am getting about 5000 RPM static and at 140 MPH the engine turns up 
> to 6200 RPM. I would like to do a couple ground runs with a smaller 
> pitch prop to determine if I am over-propped or just not producing 
> power. If any one has a smaller pitch prop for sale or loan please let 
> me know. I am currently running a Performance Props Inc. 74x88. 
>  Takeoff rolls take about 1000 ft. and climb out is very flat.   
>
>  
>
> Yes  
>
Which redrive? I've got a couple of spare props but they turn the same 
direction as a Lyc (should work with the 2.85).

Charlie in MS