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From: "Ed Anderson" <eanderson@carolina.rr.com>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
References: <list-940713@logan.com>
Subject: Re: [FlyRotary] Lumberton is off for Bernie
Date: Wed, 11 May 2005 20:49:02 -0400
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> The EGT's seem to be getting higher all the time. At WOT today (peak
> power mixture)and 5500 feet, turned 5800 rpm for a TAS (best I can
> calculate with data available)  of 190 mph and 9 gph. The rotor 2 EGT was
> indicating 1826 degrees F. Oil temp was 178 and the water was 208.
> Supposedly the high water temp would help efficiency, but hurt power. Am
> not sure why the high water temp would hurt power?? The OAT was
> indicating 81 degrees. The water pressure is running about 16 psig so do
> not think I am close to boiling and Tracy does not think 212 would hurt
> the engine. Anyone else got any ideas about 200+ water temps.
>
> At 8500 , the OAT was 10 degrees cooler.Max RPM was 5750 and EGT was
> 1775.  TAS was 186mph.
>
> Rusty, my MP was 29.7  at start of roll and baro was about 30.0
>
> Bernie, Sorry Ed guess that you will have to represent the rotary crowd
> which you will do a super job
>


Sorry to hear you won't make it, Bernie.  The crowd needs to see new 
faces{:>)

Sounds like to me you are doing OK although 1826F seems a bit high on EGT - 
but that could be probes/location, etc.
I have hit 240F coolant (never for long) and have sustained 220F for 10 
minutes or more.  I am comfortable with anything below 210F on coolant as 
long as the oil temp is below 200F.  Sounds like a great TAS for 9 GPH.

Hope to see you at Charlies

Ed A