Mailing List Message #65404
From: Matt Boiteau <>
Subject: Re: [FlyRotary] Re: EGT
Date: Wed, 04 Dec 2019 19:30:14 -0500
To: Bobby J. Hughes <>
At that specific time during the climb, I was aiming for 0.912 lamba but was running a bit lean @ 0.939 (13.8afr). 

Still have lots of tuning to do, the OAT's were cold that day and I need to setup my temperature scaling factor better.

When I bring it back to 2300prop rpm with 0.898lamba (13.2afr)
EGT 1 = 1650F
EGT 2 = 1688F
EGT exit = 1502F

- Matt Boiteau

On 2019-12-04 6:29:51 PM, Bobby J. Hughes <> wrote:



What F/A ratio?




From: Rotary motors in aircraft []
Sent: Wednesday, December 04, 2019 4:43 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] Re: EGT


RX8, no turbo, probes 3" away from engine


@ 8000rpm (2525prop)

EGT 1 = 1778
EGT 2 = 1816
EGT at exit = 1725


- Matt Boiteau

On 2019-12-02 8:27:25 PM, Neil Unger <> wrote:


              You have missed my email apparently.  JUst how do you
keep your EGT under 1600 degrees?

What turbo are you using?


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