X-Junk-Score: 0 [] X-Cloudmark-Score: 0 [] X-Cloudmark-Analysis: v=2.2 cv=aM2ykv1m c=1 sm=1 tr=0 a=yJMlcze0KQrWrhGfPDsgnA==:117 a=nnb7B/y4I4ZYnSPGec7hDg==:17 a=rIkb5jmfFvoA:10 a=x7bEGLp0ZPQA:10 a=e8BSqymJ620A:10 a=KeKAF7QvOSUA:10 a=Ia-xEzejAAAA:8 a=-5LUZhgxAAAA:8 a=_6GpL_ENAAAA:8 a=FBp39O-0UkgH6XfnarkA:9 a=IdHp0Hy4DKVexCnc:21 a=JT6E9V6LCtIvTU3l:21 a=CjuIK1q_8ugA:10 a=b6WyXo6iwcH01NEs2VsA:9 a=FsV9T6_qr_RvXe47:21 a=AhNJ5dswTYp6ONhJ:21 a=Wt_cHRgrKEIGqsUd:21 a=_W_S_7VecoQA:10 a=QEXdDO2ut3YA:10 a=Urk15JJjZg1Xo0ryW_k8:22 a=WutpEK6nTlQjJys0BURe:22 From: "A R Goldman" Received: from omr-m011e.mx.aol.com ([204.29.186.11] verified) by logan.com (CommuniGate Pro SMTP 6.2c3) with ESMTPS id 10026141 for flyrotary@lancaironline.net; Fri, 18 Aug 2017 10:33:17 -0400 Received-SPF: pass receiver=logan.com; client-ip=204.29.186.11; envelope-from=argoldman@aol.com Received: from mtaout-mad01.mx.aol.com (mtaout-mad01.mx.aol.com [172.26.221.205]) by omr-m011e.mx.aol.com (Outbound Mail Relay) with ESMTP id 1E4C338000BD for ; Fri, 18 Aug 2017 10:33:00 -0400 (EDT) Received: from [192.168.0.102] (cpe-23-242-193-13.socal.res.rr.com [23.242.193.13]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by mtaout-mad01.mx.aol.com (MUA/Third Party Client Interface) with ESMTPSA id C679A380000A1 for ; Fri, 18 Aug 2017 10:32:55 -0400 (EDT) Content-Type: multipart/alternative; boundary=Apple-Mail-65E59480-E47A-4391-AAAF-C6F2C94C110E Content-Transfer-Encoding: 7bit Mime-Version: 1.0 (1.0) Date: Fri, 18 Aug 2017 07:32:51 -0700 Subject: Re: [FlyRotary] Re: Coolers Message-Id: <353D8D21-7CD7-40CC-B9FD-141C18045F0B@aol.com> References: In-Reply-To: To: Rotary motors in aircraft X-Mailer: iPhone Mail (14G60) x-aol-global-disposition: G DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mx.aol.com; s=20150623; t=1503066780; bh=S+JXAlgLqzHdqr1oQnrB7KV8tlwZXchPShdM1bsNQDI=; h=From:To:Subject:Message-Id:Date:Mime-Version:Content-Type; b=D8WOAf5rKI7+3FUcv4QvYkEW14hZrpvUm+0Eye2EzS4MpVomPzXcoQiRCDtCWQFEb 6Rb8kwS/Pk5DGr8PcOTj/O1T8jtP5f7ACsgQFc61F6RyuQiIOHbVbY72CoOItWQmR3 p4LcmkSf6e+T4hUPyTof/EruEGB9AGin5wxyZEZI= x-aol-sid: 3039ac1addcd5996fa976e04 X-AOL-IP: 23.242.193.13 --Apple-Mail-65E59480-E47A-4391-AAAF-C6F2C94C110E Content-Type: text/plain; charset=us-ascii Content-Transfer-Encoding: quoted-printable Todd I too am using the laminova-- not started the engine yet and won't for a= while-- Which model did you choose??? Thanx Rich Sent from my iPhone > On Aug 17, 2017, at 9:50 PM, Todd Bartrim wr= ote: >=20 > Hi Andrew;=20 > I put one of these Laminova exchangers from Mocal in my plane. > https://www.racerpartswholesale.com/category/Mocal_Heat_Exchangers > Very compact but still a few pounds, but it seems to work well so far. > I used to see better oil cooling in climb than water cooling, but in cruis= e I had better water cooling than oil cooling. > This was likely from my old, good looking oil cooler scoop, which I don'= t think was very efficient. I've cut that off and changed it to more of a P5= 1 style scoop. Still looks ok, but it should work much better, so when I ret= urn to flight I'll not be able to say definitively if any improvements are d= ue to the Laminova cooler or the improved airflow. However, so far in static= ground tests my H2O/Oil temps are quite close. >=20 > Todd waiting for the smoke to clear >=20 > Virus-free. www.avast.com >=20 > Todd Bartrim >=20 >> On Thu, Aug 17, 2017 at 1:06 PM, Lehanover w= rote: >> Lynn, from your explanation, seems to confirm my gut feel that I need to h= ave that external OCV, to cool all the oil being pumped. but maybe I could u= se a oil to coolant exchanger to even up the system capacities. >>=20 >> Cheers Andrew >>=20 >> I tried one of those years ago. Big. Very heavy with both water and oil i= nside. Oil temps were fine. Water temps too high. I cut off the outer shell= and used it as a oil to air, transmission cooler. It is just a standard oil= to air cooler in a box full of water. >>=20 >> Mazda had one in the RX-7...........for one year. I mounted under the oil= filter. >>=20 >> Lynn E. Hanover >>=20 >> =20 >>=20 >=20 --Apple-Mail-65E59480-E47A-4391-AAAF-C6F2C94C110E Content-Type: text/html; charset=utf-8 Content-Transfer-Encoding: quoted-printable
Todd I too am using the laminova-- not= started the engine yet and won't for a while--

Which model did you choose?= ??

Thanx

Rich

Sent from my iPhone

On Aug 17, 2017, at= 9:50 PM, Todd Bartrim <fl= yrotary@lancaironline.net> wrote:

Hi Andrew; 
  I put one of these Lam= inova exchangers from Mocal in my plane.
Very compact b= ut still a few pounds, but it seems to work well so far.
I used to= see better oil cooling in climb than water cooling, but in cruise I had bet= ter water cooling than oil cooling.
  This was likely from my= old, good looking oil cooler scoop, which I don't think was very efficient.= I've cut that off and changed it to more of a P51 style scoop. Still looks o= k, but it should work much better, so when I return to flight I'll not be ab= le to say definitively if any improvements are due to the Laminova cooler or= the improved airflow. However, so far in static ground tests my H2O/Oil tem= ps are quite close.

Todd   waiting for the smo= ke to clear

=
3D"" Virus-f= ree. www.avast.com

<= div class=3D"gmail_signature" data-smartmail=3D"gmail_signature">
Todd Bartrim

On Thu, Aug 17, 2017 at 1:06 PM, Lehanover <flyrotary@lancaironline.net> wrote:

Lynn, from your explanat= ion,=20 seems to confirm my gut feel that I need to have that external OCV, to cool a= ll=20 the oil being pumped. but maybe I could use a oil to coolant exchanger to ev= en=20 up the system capacities.

Cheers Andrew

I tried one of those years a= go. Big.=20 Very heavy with both water and oil inside. Oil temps were fine. Water temps t= oo=20 high.  I cut off the outer shell and used it as a oil to air, transmiss= ion=20 cooler. It is just a standard oil to air cooler in a box full of water.=20

Mazda had one in the RX-7...= ........for=20 one year. I mounted under the oil filter.

Lynn E. Hanover

 


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