X-CGP-ClamAV-Result: CLEAN X-VirusScanner: Niversoft's CGPClamav Helper v1.23.0 (ClamAV engine v0.103.0) X-Junk-Score: 0 [] X-KAS-Score: 0 [] From: " 12348ung@gmail.com" Received: from mail-pg1-f170.google.com ([209.85.215.170] verified) by logan.com (CommuniGate Pro SMTP 6.3.9) with ESMTPS id 737159 for flyrotary@lancaironline.net; Tue, 01 Mar 2022 15:51:09 -0500 Received-SPF: pass receiver=logan.com; client-ip=209.85.215.170; envelope-from=12348ung@gmail.com Received: by mail-pg1-f170.google.com with SMTP id bc27so6380165pgb.4 for ; Tue, 01 Mar 2022 12:51:10 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:references:in-reply-to:subject:date:message-id:mime-version :content-language:thread-index; bh=dbziT+G/UGG5JV+/q3Sg4M+FHyt5FqEXri5/4vOSH/Y=; b=BObWDL189cB4w4TCAg64BCRYqfUvMquQREv+J2DzIgLBzqMoQZs3Tzmt4f3yz8cSdo 2xQVStjPBiAdKQ3JHQzci6V1DGVK0N2lRv6FskbJ0YgtZ4J7rctduiSHrUMW8rynJkNA XuDzWTw1eXX26l9PN3UAAwZ4Peuzc+wVih1FhLxB0E8SixHMfJ6T2RSwMz2QIVxcTXAm LzS8thojtdRn1cShKDxQJXk0nafoud/4sbq5xXL3qKBiZEp5bSGsu7hnYAP5OS0mHIFx k7QA247XSUsBgfud7Lpj0rr/vubaJY55wSid0TmdbEZgHSeRYRqOts0kfe2qjJgWc3HG 1Fqg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:references:in-reply-to:subject:date :message-id:mime-version:content-language:thread-index; bh=dbziT+G/UGG5JV+/q3Sg4M+FHyt5FqEXri5/4vOSH/Y=; b=ALcQvBgTqDQA4/c9x1Iv1Msfu5lJul97gPijaGOxFRqB6CQpgTVyZv1X37B5OIIFVQ gOYkiYBPHpE8arXFHe0UWHDsPOMVgVMOR8AY4Gcy649rZgJPTZL8gznRQ+wLBvXreyjY 7KP6eXSgPFcsmeGY8B0LZDECcDTsGkuo35M1j0FYkCzkI3xN7Y05G49DHxDhQVyXf2su qBXM4xZa6oYpIVEGppd26yYACxWF2PVAsbfErCs23qaIvy5rCXThyuK6Xts6FMMv0I1Q NIodjjhWCS1IyB3XD/tnbjaHsPlypGzhEE6nAehTZe4vCl/LNoVb+r1J4eeQ+rT8crKt Kcag== X-Gm-Message-State: AOAM533F5yFAcu1uHVrHIMOBVDCknhZq8aCq55TWZm+8GeGXAVLVriPR yzKYWITA4MJcWTWVwIHCubsMBJNoAUk= X-Google-Smtp-Source: ABdhPJwKPY4Z3vfHMvAfJ+T7+diaQX6UZOyhLwvdJkIIhq4zPcA9enq2bEEeOwlkIq1T5NXTAu1afg== X-Received: by 2002:a63:3c56:0:b0:378:43af:a061 with SMTP id i22-20020a633c56000000b0037843afa061mr17823559pgn.156.1646167852193; Tue, 01 Mar 2022 12:50:52 -0800 (PST) Return-Path: <12348ung@gmail.com> Received: from UserPC ([103.198.24.78]) by smtp.gmail.com with ESMTPSA id k1-20020a056a00168100b004e0e45a39c6sm18449292pfc.181.2022.03.01.12.50.50 for (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Tue, 01 Mar 2022 12:50:51 -0800 (PST) To: "'Rotary motors in aircraft'" References: In-Reply-To: Subject: RE: [FlyRotary] Re: Timing Date: Wed, 2 Mar 2022 07:50:47 +1100 Message-ID: <004101d82dae$095d2b90$1c1782b0$@gmail.com> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0042_01D82E0A.3CCFED80" X-Mailer: Microsoft Outlook 16.0 Content-Language: en-us Thread-Index: AQHXz0TcQgvXt9tAhIMN7Dfd2KUHNKyrvS6Q This is a multipart message in MIME format. ------=_NextPart_000_0042_01D82E0A.3CCFED80 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Steve, The fuel tech timing from memory is still only about = 18 degrees BTDC at full noise. Neil. =20 From: Rotary motors in aircraft =20 Sent: Tuesday, March 1, 2022 8:57 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Timing =20 Hi Guys =20 I realised I made a mistake with reading the timing. I was adding the 5 deg ATDC, instead of adding -5 deg.=20 =20 Today I sought to check the maximum advance of the timing. Nearly blew Dad of the front of the Glasair! With the prop pitch full fine the manifold pressure was only = 14.5=E2=80=99=20 At 5000 rpm it appeared the advance had maxed out at approx 23 deg BTDC. At 1750rpm idle timing was approx 8 deg BTDC =20 I will now try and fine tune the timing in flight and see if can take = any further advance. Can anyone comment on their maximum advance of their timing? =20 Thanks =20 Steve Izett =20 =20 =20 On 26 Feb 2022, at 10:17 am, Stephen Izett stephen.izett@gmail.com = > wrote: =20 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 = > wrote: 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]=20 Sent: Thursday, February 24, 2022 4:43 PM To: Rotary motors in aircraft > 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=E2=80=99ll 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.=20 And particularly anyone running a 4 port renesis like Tracy=E2=80=99s = RV4. Cheers Steve On 25 Feb 2022, at 6:07 am, Pam & Dave Williams padajute@idcnet.com = > 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.=20 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 > Subject: [FlyRotary] Timing Hi friends 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. 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? Much appreciated. Steve Izett -- Homepage: http://www.flyrotary.com/ Archive and UnSub: = http://mail.lancaironline.net:81/lists/flyrotary/List.html -- Homepage: http://www.flyrotary.com/ Archive and UnSub: = http://mail.lancaironline.net:81/lists/flyrotary/List.html -- Homepage: http://www.flyrotary.com/ Archive and UnSub: = http://mail.lancaironline.net:81/lists/flyrotary/List.html -- Homepage: http://www.flyrotary.com/ Archive and UnSub: = http://mail.lancaironline.net:81/lists/flyrotary/List.html -- Homepage: http://www.flyrotary.com/ Archive and UnSub: = = http://mail.lancaironline.net:81/lists/flyrotary/List.html =20 ------=_NextPart_000_0042_01D82E0A.3CCFED80 Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable

Steve,

=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0= =C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0=C2=A0 The fuel tech timing = from memory is still only about 18 degrees BTDC at full = noise.

Neil.

 

From: Rotary motors in aircraft = <flyrotary@lancaironline.net>
Sent: Tuesday, March 1, = 2022 8:57 PM
To: Rotary motors in aircraft = <flyrotary@lancaironline.net>
Subject: [FlyRotary] Re: = Timing

 

Hi = Guys

 

I = realised I made a mistake with reading the = timing.

I was adding the 5 = deg ATDC, instead of adding -5 deg. 

 

Today I sought to check the maximum advance of the = timing.

Nearly blew Dad of = the front of the Glasair!

With the prop pitch full fine the manifold pressure = was only 14.5=E2=80=99 

At 5000 rpm it appeared the advance had maxed out at = approx 23 deg BTDC.

At = 1750rpm idle timing was approx 8 deg BTDC

 

I = will now try and fine tune the timing in flight and see if can take any = further advance.

Can = anyone comment on their maximum advance of their = timing?

 

Thanks

 

Steve Izett

 

 

 



On 26 Feb 2022, at 10:17 am, Stephen Izett stephen.izett@gmail.com = <flyrotary@lancaironline.net> wrote:

 

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:

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@lancaironlin= e.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=E2=80=99ll 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=E2=80=99s = 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@lancaironlin= e.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=E2=80=99s so as part of = looking into this I would like to check my timing.

I have a = Renesis engine and Tracy=E2=80=99s EC2. 
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. 
Can anyone enlighten me = on what the static timing should at a given idle rpm?

Much = appreciated.

Steve Izett


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