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: "Stephen Izett stephen.izett@gmail.com" Received: from mail-pg1-f176.google.com ([209.85.215.176] verified) by logan.com (CommuniGate Pro SMTP 6.3.5) with ESMTPS id 1529243 for flyrotary@lancaironline.net; Thu, 13 May 2021 19:16:02 -0400 Received-SPF: pass receiver=logan.com; client-ip=209.85.215.176; envelope-from=stephen.izett@gmail.com Received: by mail-pg1-f176.google.com with SMTP id m124so22684696pgm.13 for ; Thu, 13 May 2021 16:16:03 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:mime-version:subject:date:references:to:in-reply-to:message-id; bh=jZywZYBkE5V71g/bKcEZWGQ1iYJqDOXLZCZKoJsLQzg=; b=Ppz0gBJwpnxFdWrqa3iqmjAIrGmxFL/kiz339PuP/WswQ606eP4HzB4+2oxNxZdTWg MxKUxLtd4RZb1RgwHloGBuwzHSBWRVDS3V9C6EhCqFKK+Mqo/9QujzWM5FrW0TsLQI1s K9HfClZfmTTpFW5kUgUiMObAyTu6cPr5RHwGg4PlQvtNz0ZIpB4UZStw1NVyPGXOEC5e wftLCyGxF88e6KACzKiyLBFQ2kkhzzNtsN2fIsf4XGIbqEmtG2iyfT9rgMMvgFliX1LV NxsDtvxNlehGoT9V+rAEzNVEMrNpafsZPJr044fJGlLq5FueAtkKxUHNGuF+wvFUwE+m wSJA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:mime-version:subject:date:references:to :in-reply-to:message-id; bh=jZywZYBkE5V71g/bKcEZWGQ1iYJqDOXLZCZKoJsLQzg=; b=DK4M3Y3xbfrXcONVEvIBBzbmt0gZgS12SfjnGQ9I1pKBxQ+lVpED5qAsph5PFZKBAE Rzr0850BTcba7RQ9yci4v3N5+7oznP3nHj3al47gav7t+hTkOrgvavtGlx0WKhpqXDAt /OY+CG0Z77Ekxc/7THyfs//NCEbAzI57e2ytUcczO34lbYr8SIRNpOdbfhnNum3nOHDk c6ZtPwEZhCdYs25iUy21mGAVpl2wh061KEgzBqoBA0zBoD9CMOmA2cYrIS1RLwGAD5Pd wc8fx5Zc8xdVEqkTfwCLAU4yWm5UqW/PTxVSnD0hUkkrcnZnqshfc8+vowuKpXhxIYl0 GIVA== X-Gm-Message-State: AOAM533qJByNKSUPF6eSS9izqCetH5Gjl5H8r6lG09j/LmGFou2Ii9e4 DgSdhLxxOFJUUpS+q+QU5Fy0ACP6KKc= X-Google-Smtp-Source: ABdhPJzMV66Fi1Oh+ZkXtc2/dCnhoYzNWebxzsDEXzT1+QQmELc1IqejT1R2YlNNGIHqDyeypEjvFA== X-Received: by 2002:a63:1953:: with SMTP id 19mr28476796pgz.273.1620947745655; Thu, 13 May 2021 16:15:45 -0700 (PDT) Return-Path: Received: from stephens-mbp.lan (220-235-121-235.dyn.iinet.net.au. [220.235.121.235]) by smtp.gmail.com with ESMTPSA id cm22sm3503873pjb.32.2021.05.13.16.15.44 for (version=TLS1_2 cipher=ECDHE-ECDSA-AES128-GCM-SHA256 bits=128/128); Thu, 13 May 2021 16:15:45 -0700 (PDT) Content-Type: multipart/alternative; boundary="Apple-Mail=_2DEBD0C7-7226-4A5E-82D7-563798399D3A" Mime-Version: 1.0 (Mac OS X Mail 14.0 \(3654.60.0.2.21\)) Subject: Re: [FlyRotary] Oil Cooler sizing Date: Fri, 14 May 2021 07:15:40 +0800 References: To: Rotary motors in aircraft In-Reply-To: Message-Id: X-Mailer: Apple Mail (2.3654.60.0.2.21) --Apple-Mail=_2DEBD0C7-7226-4A5E-82D7-563798399D3A Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 Hi Matt We have a 44 row Mocal 344mm (13.5=E2=80=9D) x 235mm (9.25=E2=80=9D) x = 51mm (2=E2=80=9D) 125 in2 face and 250in3=20 Cowl Inlet is ~4in=20 Example of temps at cruise - OIL 191F - H2O 173F OAT 61F Steve Izett Glasair Super II RG Renesis 4 Port RD1-C > On 14 May 2021, at 5:00 am, Matt Boiteau mattboiteau@gmail.com = wrote: >=20 > I'm trying to tackle the oil cooling. Currently have a CX racing = 11x9x2 (https://www.cxracing.com/oil-cooler-kit/OC-248-30-AN10 = ) >=20 > On a 30C / 85F day in FL @ 2200rpm cruising > Coolant is 180 outlet / 170 inlet=20 > Oil is 225-230 pan / 200 inlet / 215 PSRU.=20 >=20 > I use Valvoline VR1 20W-50 standard oil, and have synthetic sitting on = the shelf ready to go. Since we can't post much in pictures here, I put = a video on youtube of the setup. The cowl inlet is 4" and the opening to = the start of the wedge is 3". I added some turning vanes to help the = wedge shape send more air to the front, but didn't change the temps too = much. =20 >=20 > The only thing left to do is increase the opening on the wedge. I = could probably get away with a 5" opening. If that doesn't work, then = time to source out a bigger rad. What sizes are you guys running? >=20 > https://www.youtube.com/watch?v=3DONO4bJvw5rc = >=20 >=20 > - Matt Boiteau --Apple-Mail=_2DEBD0C7-7226-4A5E-82D7-563798399D3A Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8 Hi = Matt

We have a 44 = row Mocal 344mm (13.5=E2=80=9D) x 235mm (9.25=E2=80=9D) x 51mm (2=E2=80=9D= ) 125 in2 face and 250in3 
Cowl Inlet is = ~4in 
Example of temps at cruise - OIL 191F - = H2O 173F OAT 61F

Steve Izett
Glasair Super II RG Renesis = 4 Port RD1-C


On 14 = May 2021, at 5:00 am, Matt Boiteau mattboiteau@gmail.com= <flyrotary@lancaironline.net> wrote:

I'm trying to tackle the oil cooling. Currently have a CX = racing 11x9x2 (https://www.cxracing.com/oil-cooler-kit/OC-248-30-AN10)
On a 30C / 85F day in = FL @ 2200rpm cruising
Coolant is 180 outlet / 170 = inlet 
Oil is 225-230 pan / 200 inlet / 215 = PSRU. 

I = use Valvoline VR1 20W-50 standard oil, and have synthetic sitting = on the shelf ready to go. Since we can't post much in pictures here, I = put a video on youtube of the setup. The cowl inlet is 4" and the = opening to the start of the wedge is 3". I added some turning vanes to = help the wedge shape send more air to the front, but didn't change the = temps too much.  

The only thing = left to do is increase the opening on the wedge. I could probably get = away with a 5" opening. If that doesn't work, then time to source out a = bigger rad. What sizes are you guys running?

https://www.youtube.com/watch?v=3DONO4bJvw5rc


- Matt = Boiteau

= --Apple-Mail=_2DEBD0C7-7226-4A5E-82D7-563798399D3A--