From: "Stephen Izett stephen.izett@gmail.com" <flyrotary@lancaironline.net>
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Subject: Re: [FlyRotary] Timing
Date: Sat, 26 Feb 2022 10:17:39 +0800
References: <list-707673@logan.com>
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
In-Reply-To: <list-707673@logan.com>
Message-Id: <C5749DB5-58DD-452B-8BFC-FCD680098791@gmail.com>

Thanks Dave.

I=E2=80=99m guessing a feature like that adjusts the flash and enables =
you to dial in what you want and then your just looking for the =
reference marks to line up.
I would imagine that makes it easier instead of having to mark out =
whatever your reading from.

I=E2=80=99d still like to have a definitive process to move forward with =
from Tracy as the designer.

Cheers

Steve

> On 26 Feb 2022, at 8:00 am, Pam & Dave Williams padajute@idcnet.com =
<flyrotary@lancaironline.net> wrote:
>=20
> Hello Steve,
>=20
> I used the stock timing marks with a timing light. My timing light has =
an advance\retard feature. Yes very windy!!!
>=20
> Thanks,
> Dave Williams
>=20
> -----Original Message-----
> From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net]=20=

> Sent: Thursday, February 24, 2022 4:43 PM
> To: Rotary motors in aircraft <flyrotary@lancaironline.net>
> Subject: [FlyRotary] Re: Timing
>=20
> Thanks guys.
>=20
> Dave, did your measure the timing with a timing light and with the =
prop on?
> Must have been pretty windy getting that data!
>=20
> I=E2=80=99ll mark up the ring gear with a TDC mark this morning and =
measure the current EC2 base Mode timing
>=20
> 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
>=20
> Can anyone else tell us their nominal timing at idle. Ours is =
~1800rpm.=20
> And particularly anyone running a 4 port renesis like Tracy=E2=80=99s =
RV4.
>=20
> Cheers
>=20
> Steve
>=20
>> On 25 Feb 2022, at 6:07 am, Pam & Dave Williams padajute@idcnet.com =
<flyrotary@lancaironline.net> wrote:
>>=20
>> Hello Steve,
>>=20
>> 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.=20
>>=20
>> Thanks
>> Dave Williams
>>=20
>> -----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
>>=20
>>=20
>> Hi friends
>>=20
>> On my last flight I experienced high indicated EGT=E2=80=99s so as =
part of looking into this I would like to check my timing.
>>=20
>> I have a Renesis engine and Tracy=E2=80=99s EC2.=20
>> In his A8 (Renesis) version of the handbook under Mode#8 Timing =
Adjustment it says to refer to =E2=80=98Initial Timing Adjustment=E2=80=99=
, however I can=E2=80=99t find any such instructions in this version, =
probably because it has a fixed position CAS.=20
>> Can anyone enlighten me on what the static timing should at a given =
idle rpm?
>>=20
>> Much appreciated.
>>=20
>> Steve Izett
>>=20
>>=20
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