X-Virus-Scanned: clean according to Sophos on Logan.com From: "Stephen Izett" Received: from mail-pa0-f50.google.com ([209.85.220.50] verified) by logan.com (CommuniGate Pro SMTP 6.1.4) with ESMTPS id 7812898 for flyrotary@lancaironline.net; Fri, 03 Jul 2015 04:31:30 -0400 Received-SPF: pass receiver=logan.com; client-ip=209.85.220.50; envelope-from=steveize@gmail.com Received: by pactm7 with SMTP id tm7so54000195pac.2 for ; Fri, 03 Jul 2015 01:30:54 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20120113; h=from:content-type:message-id:mime-version:subject:date:references :to:in-reply-to; bh=3TfpFRCoGYW5VBUIP9co5xSJ7c6meNDbkYF1dTachAw=; b=h51ejppYykc/iCrZlz9r4ug960mOu7ug4CmMSiSF1dWENpXp0D2iK3R2xiimkchscl AWwXuT/+rYa38zJpGiFumMNm+4nbjWdJ312pt0oPH11MMbIE/uXm4pu3jEVLzKmGiifO ep2MWiDsuOGkn3stbT26wcQTZEGUEDdRuFU/McvyCDnHLopy/BQrmBwVM61b2++Qiw19 QClMVucog+ahqy24Uxq+iwWSxKBWYEZriOsfsmDyLi2wbhznnbSRwRLQ69q7+KKCj2Eh 4PFlwd4svxyq2NYyZ/NDJ5QAdSXH3m+K07wlZ2ClJqDZA0Ofa5ZvahBOQec3iQt1pTOG 2xog== X-Received: by 10.68.224.10 with SMTP id qy10mr76013045pbc.23.1435912254453; Fri, 03 Jul 2015 01:30:54 -0700 (PDT) Return-Path: Received: from [10.1.1.5] (106-68-204-104.dyn.iinet.net.au. [106.68.204.104]) by mx.google.com with ESMTPSA id jt2sm8183244pbc.21.2015.07.03.01.30.50 for (version=TLSv1 cipher=ECDHE-RSA-RC4-SHA bits=128/128); Fri, 03 Jul 2015 01:30:52 -0700 (PDT) X-Google-Original-From: Stephen Izett Content-Type: multipart/alternative; boundary="Apple-Mail=_12E21D20-CFF2-4732-83C8-612489032BA5" Message-Id: <44B4E779-044F-489A-9FBE-A5178292E471@icloud.com> Mime-Version: 1.0 (Mac OS X Mail 8.2 \(2098\)) Subject: Re: [FlyRotary] Adequate Cooling Date: Fri, 3 Jul 2015 16:30:34 +0800 References: To: Rotary motors in aircraft In-Reply-To: X-Mailer: Apple Mail (2.2098) --Apple-Mail=_12E21D20-CFF2-4732-83C8-612489032BA5 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=iso-8859-1 Congratulations Jeff in getting it under control. Lok forward to hearing of more adventures in sub boiling point flight! Steve Izett > On 3 Jul 2015, at 9:55 am, Jeff Whaley = wrote: >=20 > Finally got to the point of adequate cooling with the radiator = installation. Since my last post regarding this topic there have been = several changes. First and foremost, the radiator was reoriented to an = approximate 40 degree angle to airflow from the previous flat profile; = the air enters bottom and flows through to top, with exit location = remaining the same. With the new angled radiator profile I felt it = prudent to add an air bleed connection to its uppermost tank; = fortunately there are mounting bosses welded there and was easy to drill = a hole into the tank and tap the thread boss for 1/8 pipe. Now all = air/steam bleed lines connect to the bottom of expansion tank. Also = following the discussion with Steve Boese, the Mazda oil cooler was = removed and I returned to the dual Fluidyne setup from years ago. >=20 > Doing all of the above did not result in immediate results. = Ultimately the air inlet area had to be increased to an equivalent of = 9"x7". This evening the OAT was 72F - at circuit altitude the water = temp topped out at 190F with the oil temp at 160F. Not perfect (I know = it can be improved) but is adequate with a 20F buffer before redline. = Time to get some recurrent training on this tail dragger and get = comfortable with the machine -- worry about subtle improvements and = cleaning up all the ugly fiberglass repairs somewhere down the road ... = winter is long, summer is short. > Jeff > This message, and the documents attached hereto, is intended only for = the addressee and may contain privileged or confidential information. = Any unauthorized disclosure is strictly prohibited. If you have received = this message in error, please notify us immediately so that we may = correct our internal records. Please then delete the original message. = Thank you.-- > Homepage: http://www.flyrotary.com/ > Archive and UnSub: = http://mail.lancaironline.net:81/lists/flyrotary/List.html = --Apple-Mail=_12E21D20-CFF2-4732-83C8-612489032BA5 Content-Transfer-Encoding: quoted-printable Content-Type: text/html; charset=iso-8859-1 Congratulations Jeff in getting it under control.
Lok forward to hearing of more adventures in sub boiling = point flight!

Steve Izett
On 3 Jul 2015, at 9:55 am, Jeff Whaley <flyrotary@lancaironline.net> wrote:

Finally = got to the point of adequate cooling with the radiator = installation.  Since my last post regarding this topic there have = been several changes.  First and foremost, the radiator was = reoriented to an approximate 40 degree angle to airflow from the = previous flat profile; the air enters bottom and flows through to top, = with exit location remaining the same.  With the new angled = radiator profile I felt it prudent to add an air bleed connection to its = uppermost tank; fortunately there are mounting bosses welded there and = was easy to drill a hole into the tank and tap the thread boss for 1/8 = pipe.  Now all air/steam bleed lines connect to the bottom of = expansion tank.  Also following the discussion with Steve Boese, = the Mazda oil cooler was removed and I returned to the dual Fluidyne = setup from years ago.

Doing all of the = above did not result in immediate results.  Ultimately the air = inlet area had to be increased to an equivalent of 9"x7".  This = evening the OAT was 72F - at circuit altitude the water temp topped out = at 190F with the oil temp at 160F.  Not perfect (I know it can be = improved) but is adequate with a 20F buffer before redline.  Time = to get some recurrent training on this tail dragger and get comfortable = with the machine -- worry about subtle improvements and cleaning up all = the ugly fiberglass repairs somewhere down the road ... winter is long, = summer is short.
Jeff
This message, and the documents attached hereto, = is intended only for the addressee and may contain privileged or = confidential information. Any unauthorized disclosure is strictly = prohibited. If you have received this message in error, please notify us = immediately so that we may correct our internal records. Please then = delete the original message. Thank you.<NewRadProfile.jpg><= /span><FrontalView.jpg>--
Homepage:  http://www.flyrotary.com/
Archive and UnSub:   http://mail.lancaironline.net:81/lists/flyrotary/List.html<= /div>

= --Apple-Mail=_12E21D20-CFF2-4732-83C8-612489032BA5--