Mailing List flyrotary@lancaironline.net Message #21370
From: Russell Duffy <13brv3@bellsouth.net>
Subject: RE: [FlyRotary] Re: EGT temps
Date: Wed, 4 May 2005 09:47:28 -0500
To: 'Rotary motors in aircraft' <flyrotary@lancaironline.net>
Message
So, I believe there is no such thing as "EGT too high".  There is only "peak EGT", whatever it is for  your installation.
 
 
Hi David,
 
Everything you said sounds right to me, with a note that the (NA) rotary can run way lean of peak, and not be damaged.  This is actually a neat phenomenon.  You can climb to cruise altitude, and leave the throttle wide open, then use the mixture almost as a throttle. 
 
I would also have to note that EGT can be too high.  Mine will easily exceed 1800 degrees, and I don't think I'd want to do that to my exhaust system very long. 
 
Cheers,
Rusty
 
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