Hello Steve,

I used the stock timing marks with a timing light. My timing light has an advance\retard feature. Yes very windy!!!

Thanks,
Dave Williams

-----Original Message-----
From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net]
Sent: Thursday, February 24, 2022 4:43 PM
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Subject: [FlyRotary] Re: Timing

Thanks guys.

Dave, did your measure the timing with a timing light and with the prop on?
Must have been pretty windy getting that data!

I’ll mark up the ring gear with a TDC mark this morning and measure the current EC2 base Mode timing

Which method do people prefer to get TDC? I think I have read about these 3 methods.
1. Rotor #1 equal Screwdriver depth to rotor face through both plug holes 2. Rotor #1 volume null using water in a tube - I think this might be from Lynn H 3. Rotor #2 bisecting Apex seal across T & L spark plug hole

Can anyone else tell us their nominal timing at idle. Ours is ~1800rpm.
And particularly anyone running a 4 port renesis like Tracy’s RV4.

Cheers

Steve

> On 25 Feb 2022, at 6:07 am, Pam & Dave Williams padajute@idcnet.com <flyrotary@lancaironline.net> wrote:
>
> Hello Steve,
>
> My timing is locked in at 35 degrees before top dead center from idle to 6500 RPM. You are on the right track because retarded timing will raise exhaust temperature. I have a 13b with Tracy's EC2\EM2 and the RD-1AB redrive.
>
> Thanks
> Dave Williams
>
> -----Original Message-----
> From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net]
> Sent: Wednesday, February 23, 2022 6:45 PM
> To: Rotary motors in aircraft <flyrotary@lancaironline.net>
> Subject: [FlyRotary] Timing
>
>
> Hi friends
>
> On my last flight I experienced high indicated EGT’s so as part of looking into this I would like to check my timing.
>
> I have a Renesis engine and Tracy’s EC2.
> In his A8 (Renesis) version of the handbook under Mode#8 Timing Adjustment it says to refer to ‘Initial Timing Adjustment’, however I can’t find any such instructions in this version, probably because it has a fixed position CAS.
> Can anyone enlighten me on what the static timing should at a given idle rpm?
>
> Much appreciated.
>
> Steve Izett
>
>
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