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: "Matt Boiteau mattboiteau@gmail.com" Received: from mail-lj1-f179.google.com ([209.85.208.179] verified) by logan.com (CommuniGate Pro SMTP 6.3.5) with ESMTPS id 110703 for flyrotary@lancaironline.net; Fri, 25 Jun 2021 07:54:44 -0400 Received-SPF: pass receiver=logan.com; client-ip=209.85.208.179; envelope-from=mattboiteau@gmail.com Received: by mail-lj1-f179.google.com with SMTP id f13so12124018ljp.10 for ; Fri, 25 Jun 2021 04:54:44 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:references:in-reply-to:from:date:message-id:subject:to; bh=H4iooW9bRZlQQgcSiAiNih4Tj5ZArDor+39qPuz8xCQ=; b=eRBsVVlTg0OsTb0gp4hJ4IhI2kIOOVAHVVpEUmysKSl/nP17Ksn0zLMDaNglgHEaiC E705pOIl774MHwLl92sawtElrPKuX1lKFb4iQSJJ2BEm77DikKoqoIlWnzzlR5n3P+LA kaLME20YJ8guijrCD8i3EOOAL7Jg2l0TQ8cFsRikksqNJxgtWZmakSlhi0zs3YILBHHI reerUhRJT6PIsJCz/SGdD3KbcRGnuzkgq+LJ88dooOT06xGbYGDxX8Sd//3wbUfdzREg wGsvW1XviSCxVDkYNRoYU40Ng6Sc9oc1FMspE6oY5BhWkB8CQiXTVl7zfb7roelt1ruc BOpg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:references:in-reply-to:from:date :message-id:subject:to; bh=H4iooW9bRZlQQgcSiAiNih4Tj5ZArDor+39qPuz8xCQ=; b=RS6MyJ2M8P8sAVTHfOJwCfW+UkWjDZUw1s8pMPhYP2ncKd+Uf3T16iT+TXRmyGT4nh tJ+zFU3zMQsBzFBJaeV4c7unfEHo4mEioEFJkfQbqz1iKS6AUU9mxl7nwHLw3i1e/Vor 3EN6lvhDFYZDB390s8sRmpkIiSYuoRsRe1OFRd8uvLa4kfPD++7QtkM389deTMz9C04V kk6Whl9htUta4af4+ZpEpvmtkvHQ6vEfnVHyYfxkgReEd9ec37l/DtqsbzeUA1liQb1Q klG9UJ+v69RIK0Jw67Rxiw9ONjB55DXIuQKtS4HodKScuDrKCnEHBKrnHtZlaucq4qGG wcRw== X-Gm-Message-State: AOAM530P6iVYtPqjjvkFnR4l+Hpj5+XaF2iyiBKkyPr4nkPmf5Za2QBi 9c1v6mQwGVH6A/7do0KSYzBt7Z923gLRJ4zXH3DyBLjHuTW1nA== X-Google-Smtp-Source: ABdhPJyE6wOqfgW7JEnYkTY9Z0EfwsG1FkidnuxRNrx5UMeW0yj2e1NaBkTJOTIr7YQuEIm5Z+kNydV/TfMvG/8EvCQ= X-Received: by 2002:a2e:530e:: with SMTP id h14mr8010816ljb.454.1624622065905; Fri, 25 Jun 2021 04:54:25 -0700 (PDT) MIME-Version: 1.0 References: In-Reply-To: Date: Fri, 25 Jun 2021 07:54:15 -0400 Message-ID: Subject: Re: [FlyRotary] Re: Timing / AFR landing To: Rotary motors in aircraft Content-Type: multipart/alternative; boundary="00000000000021f22205c595cd99" --00000000000021f22205c595cd99 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable With a fixed pitch prop and somewhat slippery plane. I have to bring prop RPM back to ~1300 to slow down. MAP is around 45kpa (13inhg). With my oversized and inefficient intake, it definitely makes the area hard to tune= . Do we know what the default timing is for Tracy's renesis programming? Has anyone debugged the code and created a RPM vs MAP spreadsheet? I have the RX8 tables from the car's ECU, but I have no clue if the plane is different. Especially at the landing configuration (high rpm, low map). Do we treat it like we are coasting down the hill, bump up to 35-38degree timing and lean it out. Or because we are still turning a prop, or the wind is turning the prop now, do we keep normal timing and best power afr? - Matt Boiteau On Thu, Jun 24, 2021 at 7:17 PM Stephen Izett stephen.izett@gmail.com < flyrotary@lancaironline.net> wrote: > Matt > > On down wind we set: > Prop to full fine. > AFR at best power 0.9 or 13.3 > Same as Bobby, finding this area of the map very difficult to tune. > I have to manually adjust mixture as it tends to go very lean as we reduc= e > airspeed. > I havn=E2=80=99t changed timing from default for Tracy=E2=80=99s Renesis = programming. > > Steve Izett > Renesis 4 port RD1-C EC2 > > > > On 24 Jun 2021, at 9:33 pm, Bobby Hughes BHughes@qnsinc.net < > flyrotary@lancaironline.net> wrote: > > With the CS prop at 2300 rpm and MP below 20=E2=80=9D I found F/A between= 15.8 and > 14.5 worked well. I found this area very difficult to tune. Possibly > because staging was set at 20=E2=80=9D. I have no idea what the EC3 time= is in > this area. > > Bobby > > *From:* Rotary motors in aircraft [mailto:flyrotary@lancaironline.net > ] > *Sent:* Thursday, June 24, 2021 8:25 AM > *To:* Rotary motors in aircraft > *Subject:* [FlyRotary] Timing / AFR landing > > What AFR / spark timing are you guys aiming for on downwind / landing ? > > > - Matt Boiteau > > > *Disclaimer* > > The information contained in this communication from the sender is > confidential. It is intended solely for use by the recipient and others > authorized to receive it. If you are not the recipient, you are hereby > notified that any disclosure, copying, distribution or taking action in > relation of the contents of this information is strictly prohibited and m= ay > be unlawful. > > This email has been scanned for viruses and malware, and may have been > automatically archived by *Mimecast Ltd*, an innovator in Software as a > Service (SaaS) for business. Providing a *safer* and *more useful* place > for your human generated data. Specializing in; Security, archiving and > compliance. To find out more Click Here > . > > > --00000000000021f22205c595cd99 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
With a fixed pitch prop and somewhat slippery plane. I hav= e to bring prop RPM back to ~1300 to slow down. MAP is around 45kpa (13inhg= ). With my oversized and inefficient intake, it definitely makes the area h= ard to tune.

Do we know what the default=C2=A0timing is for Tracy= 9;s renesis programming? Has anyone debugged the code and created a RPM vs = MAP spreadsheet? I have the RX8 tables from the car's ECU, but I have n= o clue if the plane is different. Especially at the landing configuration (= high rpm, low map). Do we treat it like we are coasting down the hill, bump= up to 35-38degree timing and lean it out. Or because we are still turning = a prop, or the wind is turning the prop now, do we keep normal timing and b= est power afr?


- Matt Boiteau


On Thu, Jun 24,= 2021 at 7:17 PM Stephen Izett s= tephen.izett@gmail.com <flyrotary@lancaironline.net> wrote:
Mat= t

On down wind we set:
Prop to full fine.=C2= =A0
AFR at best power 0.9 or 13.3
Same as Bobby, finding this area of the map very difficult to tune= .=C2=A0
I have to=C2= =A0manually adjust mixture as it tends to go very lean as we reduce airspee= d.
I havn=E2=80=99t changed= timing from default for Tracy=E2=80=99s Renesis programming.
<= div>
S= teve Izett
Renesis 4 port RD1-C EC= 2



On 24 Jun 2021, at 9:33= pm, Bobby Hughes B= Hughes@qnsinc.net <flyrotary@lancaironline.net> wrote:

With the CS prop at 230= 0 rpm and MP below 20=E2=80=9D I found F/A between 15.8 and 14.5 worked wel= l. I found this area very difficult to tune. Possibly because staging was s= et at 20=E2=80=9D.=C2=A0 I have no idea what the EC3 time is in this area.<= span>=C2=A0
=C2=A0
Bobby<= u>
=C2=A0=
From:=C2=A0Rotary motors in aircra= ft [mailto= :flyrotary@lancaironline.net]=C2=A0
Sent:= =C2=A0Thursday, June 24, 2021 8:25 AM
To:=C2=A0Rotary motors in aircraft
Subject:=C2=A0[FlyRotary= ] Timing / AFR landing
<= u>=C2=A0
What AFR / spar= k timing are you guys aiming for on downwind / landing ?
=C2=A0

- Matt Boiteau


Disclaimer

The information contained in this communication from= the sender is confidential. It is intended solely for use by the recipient= and others authorized to receive it. If you are not the recipient, you are= hereby notified that any disclosure, copying, distribution or taking actio= n in relation of the contents of this information is strictly prohibited an= d may be unlawful.

This email has been scanned for viruses and malwa= re, and may have been automatically archived by=C2=A0Mimeca= st Ltd, an innovator in Software as a Service (SaaS) for business. Prov= iding a=C2=A0safer=C2=A0and=C2=A0more useful=C2=A0place for your human generated dat= a. Specializing in; Security, archiving and compliance. To find out more=C2=A0Click Here.


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