Mailing List flyrotary@lancaironline.net Message #66756
From: Stephen Izett stephen.izett@gmail.com <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] EGT probes location
Date: Thu, 29 Apr 2021 08:47:26 +0800
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Hi Finn

My highest EGT (before one probe burnt out) appear to be about 1726 with a delta of 85F. Lambda near 1 - 14.7 AFR
I have the low power 4 port Renesis.

Steve Izett

> On 29 Apr 2021, at 5:30 am, Finn Lassen finn.lassen@verizon.net <flyrotary@lancaironline.net> wrote:
>
> So, I'm using the Renesis stock exhaust manifold.
>
> Tried to mount the EGT probes as close as possible and same distance from the ports.
>
> However, at high power I'm seeing as much as 120F higher on rotor 2.
>
> Exhaust gas from rotor 1 passes by rotor 2 exhaust port so I'm wondering if that somehow increases rotor 2 EGT readings.
>
> Caught my attention today when EGT2 got above 1,800F at 6,200 RPM and 161 mph TAS @ 3,300' density altitude.
>
> Any of you that's using the stock exhaust manifold run into this?
>
> Finn
>
>
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