X-Virus-Scanned: clean according to Sophos on Logan.com From: "Stephen Izett" Received: from mail-pf0-f177.google.com ([209.85.192.177] verified) by logan.com (CommuniGate Pro SMTP 6.1.12) with ESMTPS id 9145109 for flyrotary@lancaironline.net; Wed, 16 Nov 2016 04:23:48 -0500 Received-SPF: pass receiver=logan.com; client-ip=209.85.192.177; envelope-from=steveize@gmail.com Received: by mail-pf0-f177.google.com with SMTP id c4so30113814pfb.1 for ; Wed, 16 Nov 2016 01:23:48 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:mime-version:subject:date:references:to:in-reply-to:message-id; bh=6m+eE7Ku69JK76/cvrZU/FcupdUbYE+J5TCfqjpMWL8=; b=Nbs72KUb8B27pRVj+bOnI7nM3fN+JARSRpUf1ayu06/bWzjNb4ceNthNLCaAfrg0pm 3gELw4aVnjPGuma6oHZ7M4bRHbdQRSoD2ogFvKeu+aXU8RzGeHrJxpiotfj6znkpQmRS r3YF+CZhh9Wcx9LUSkYu06yF486Bb98OmTOJqdLE6PiVZEfkoUn35+qhA5ebdzm6dJtS fKIMsqteTUKDXrgIezg8mZQKT32Zsyaak76MF4HUnWUupsj3ZjT8pdFpXLWoKJbD5IPb KuEz3xk1t/ENn2P147j75AQXJiPxUIlpnB3sytXM6/N5ylDGrX/RNjMHOToyYeb+SxLA YASA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20130820; h=x-gm-message-state:from:mime-version:subject:date:references:to :in-reply-to:message-id; bh=6m+eE7Ku69JK76/cvrZU/FcupdUbYE+J5TCfqjpMWL8=; b=BDYV2kkZHusVpsVU8MPxDlYyYz4TrOKmIiPHMUNm48HQl/HsodHhxOV9I7OIwuUgbu BuuJm8+Q6Df4v68SB3PfTMhz/IpJ2tJ1sY8GjVQqlehwdj4AxICX7LOAE4ixU0PT2gDB X3cKZMF2EqrF7paz8cZWZ6JMTSvMzpSFdbfkLGt/aWU/vTaAzGLgBr0HKRtZJ1jJ3TfU Zhi6TQeWr2UseB/RAG6MgliQoUP6Qoik0K0EPaAUCjqGCdK3YvY4zdq6xz8Dyhj1Pfdw k6IoNQfVTVj6VKud5heXcXgTv3zqXbxYL6CpJfBF0LDcFj8oOurNF2n5G3izHLiNrEbQ 4ieQ== X-Gm-Message-State: ABUngveehL2LnOgXm9Dwq7a7o7aXP1AkbxsOpWLg/GFC2biT5rTI74gRZBJJ+EScdyFF9A== X-Received: by 10.99.64.133 with SMTP id n127mr6205644pga.104.1479288210220; Wed, 16 Nov 2016 01:23:30 -0800 (PST) Return-Path: Received: from [10.1.1.5] (124-148-220-116.dyn.iinet.net.au. [124.148.220.116]) by smtp.gmail.com with ESMTPSA id t67sm51293456pfg.13.2016.11.16.01.23.27 for (version=TLS1_2 cipher=ECDHE-RSA-AES128-GCM-SHA256 bits=128/128); Wed, 16 Nov 2016 01:23:29 -0800 (PST) X-Google-Original-From: Stephen Izett Content-Type: multipart/alternative; boundary="Apple-Mail=_27B17C95-7801-4F2E-831B-F9D171A1727E" Mime-Version: 1.0 (Mac OS X Mail 10.1 \(3251\)) Subject: Re: [FlyRotary] Cooling Date: Wed, 16 Nov 2016 17:23:23 +0800 References: To: Rotary motors in aircraft In-Reply-To: Message-Id: <6855C6B4-3295-481B-B50C-F4F2B26A0DAF@icloud.com> X-Mailer: Apple Mail (2.3251) --Apple-Mail=_27B17C95-7801-4F2E-831B-F9D171A1727E Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=utf-8 Hi Christian Did you fab your own louvers or did you purchase them? Steve > On 16 Nov. 2016, at 5:21 pm, Christian And Tamara Mcdonald = wrote: >=20 > Hi Steve > I glassed exit louvres into my cowl base , seems to work well and not = effect speed at all > Cheers > Christian >=20 >=20 > On Wednesday, 16 November 2016, steve Izett = > wrote: > Hi David > That may well be what will be needed in flight. At present we have the = gear door open on the ground so plenty of exit. > I=E2=80=99ll do a search for SS louvers in prep. >=20 > Thanks. > Steve >> On 16 Nov. 2016, at 4:16 pm, hoursaway1 > wrote: >>=20 >> increase outlet size, we had some minor cooling problems our fix was = adding 2, 6" X 6" SS loovers into lower cowl rear area. David Cook RV6A = Rotary =20 >>=20 >> From: "steve Izett" > >> To: "Rotary motors in aircraft" > >> Sent: Monday, November 14, 2016 5:21:04 PM >> Subject: [FlyRotary] Cooling >>=20 >> Hi guys. >> The Glasair SIIRG is near completion and we are taxi testing. >> The OAT is rising as we enter summer. Yesterday was 37C ~ 100F. >> She can idle forever with water stabilising below 220F and oil below = 180F if the OAT is below 70F but not sure yet about the warmer days. >> I=E2=80=99m wondering about 3 options and would value your experience = and thoughts: >> 1. Route some more air from the left cheek into the water heat = exchange diffuser currently fed by the right cheek. I am currently only = using 50% of the left cheek (Blanked off). The other 50% of the left = cheek feeds air to the engine. The air is likely not to want to do the = gymnastics required to travel the path available.=20 >> 2. Install another small core fed by the available left cheek air = with water from the heater outlet. This would make for easy plumping as = far as the water system. I=E2=80=99m not sure how much heat we could = reject from that small diameter heater outlet? >> 3. Install an electric fan on the main exchanger for extended on the = ground running. Main concern with fan is, what happens when cruising at = up to 200Knots?=20 >>=20 >> Appreciate you feedback >>=20 >> Steve Izett >> Glasair SIIRG Genesis 4 port RD1C EC2 >> Perth Western Australia >>=20 >>=20 >> -- >> Homepage: http://www.flyrotary.com/ >> Archive and UnSub: = http://mail.lancaironline.net:81/lists/flyrotary/List.html = >>=20 >=20 --Apple-Mail=_27B17C95-7801-4F2E-831B-F9D171A1727E Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=utf-8 Hi Christian
Did you fab your own louvers or = did you purchase them?
Steve
On = 16 Nov. 2016, at 5:21 pm, Christian And Tamara Mcdonald <flyrotary@lancaironline.net> wrote:

Hi Steve
I glassed exit louvres into my cowl base , seems to work well = and not effect speed at all
Cheers
Christian


On= Wednesday, 16 November 2016, steve Izett <flyrotary@lancaironline.net> = wrote:
Hi David
That = may well be what will be needed in flight. At present we have the gear = door open on the ground so plenty of exit.
I=E2=80=99= ll do a search for SS louvers in prep.

Thanks.
Steve
On 16 Nov. 2016, at 4:16 pm, hoursaway1 <flyrotary@lancaironline.net> wrote:

increase outlet size, we had some minor cooling problems our = fix was adding 2, 6" X 6" SS loovers into lower cowl rear = area.  David Cook RV6A = Rotary       

From: "steve Izett" <flyrotary@lancaironline.net>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Sent: Monday, November 14, 2016 5:21:04 PM
Subject: [FlyRotary] Cooling

Hi guys.
The Glasair SIIRG = is near completion and we are taxi testing.
The OAT is = rising as we enter summer. Yesterday was 37C ~ 100F.
She = can idle forever with water stabilising below 220F and oil below 180F if = the OAT is below 70F but not sure yet about the warmer days.
I=E2=80=99m wondering about 3 options and would value your = experience and thoughts:
1. Route some more air from the = left cheek into the water heat exchange diffuser currently fed by the = right cheek. I am currently only using 50% of the left cheek (Blanked = off). The other 50% of the left cheek feeds air to the engine. The air = is likely not to want to do the gymnastics required to travel the path = available.
2. Install another small core fed by the = available left cheek air with water from the heater outlet. This would = make for easy plumping as far as the water system. I=E2=80=99m not sure = how much heat we could reject from that small diameter heater outlet?
3. Install an electric fan on the main exchanger for extended = on the ground running. Main concern with fan is, what happens when = cruising at up to 200Knots?

Appreciate you feedback
Steve Izett
Glasair SIIRG Genesis 4 port = RD1C EC2
Perth Western Australia


--
Homepage: =  http://www.flyrotary.com/
Archive and = UnSub:   http://mail.lancaironline.net:81/lists/flyrotary/List.html



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