X-Junk-Score: 0 [] X-Cloudmark-Score: 0 [] X-Cloudmark-Analysis: v=2.2 cv=HLeBLclv c=1 sm=1 tr=0 a=BfGBKlfVCZkr1ZEMvOwMnA==:117 a=x7bEGLp0ZPQA:10 a=xXDCcK6TKBsA:10 a=7mUfYlMuFuIA:10 a=QhLrsF9qAAAA:8 a=pGLkceISAAAA:8 a=Ia-xEzejAAAA:8 a=7g1VtSJxAAAA:8 a=nfRpZHGl758NkvagvwIA:9 a=QEXdDO2ut3YA:10 a=TTVf4sYyn6RNrqQSv7IA:9 a=F0sUnnFINPVw5l-i:21 a=Qa1je4BO31QA:10 a=gvSQh4r-fQ0A:10 a=i4tH8neNAzHi3qRh_LgF:22 a=Urk15JJjZg1Xo0ryW_k8:22 a=grOzbf7U_OpcSX4AJOnl:22 From: "Todd Bartrim bartrim@gmail.com" Received: from mail-ed1-f46.google.com ([209.85.208.46] verified) by logan.com (CommuniGate Pro SMTP 6.2.5) with ESMTPS id 11292573 for flyrotary@lancaironline.net; Sat, 23 Jun 2018 01:19:58 -0400 Received-SPF: pass receiver=logan.com; client-ip=209.85.208.46; envelope-from=bartrim@gmail.com Received: by mail-ed1-f46.google.com with SMTP id c17-v6so2340259eds.11 for ; Fri, 22 Jun 2018 22:19:59 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=mime-version:in-reply-to:references:from:date:message-id:subject:to; bh=mwKt4gMAGuX4rDU2HzGXVJQWmI1QIbmyM/sTsxn5O1M=; b=aT3Y226O1jbJgH7cu+Nz5ZNY/ow4I8sfzaAQLa5iKd03G7l5Pdd+Bpe7njHH2/rBbY 4ci79PD6y8kxKZcsiPVRvpo4TaaKjrAOQMc4dpBPeVQepaeO9auc9SXA4EYCyKJM11T6 tyEd/70WDeV+KMsDq2qRQwkCnPS5eW2EC0BWgnGqChGKU8aYxO29wahqWyNAlSc/68xY xGVta6WvOFuiA7v1RBlUmXqO9pGisHyC+i3LiH0oDqbs1/BKNZtQgdPUIdjGL3VE5Ox0 dhjePdFcBb7tDsCiJi1cgxBZP9CAxUmvUXwcOkT3FLee0M8IisYdCxdfJJ9bOQrrwSLE Fsbw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:mime-version:in-reply-to:references:from:date :message-id:subject:to; bh=mwKt4gMAGuX4rDU2HzGXVJQWmI1QIbmyM/sTsxn5O1M=; b=FKmDRg9rQ+u+3a4uXjsIF/fh6W5JAXECKi8P0agvx8i4HtwfBer+MSmZoyotByCA80 tOdxxAbevwV4+RbGRhNfoorc3F2JIKw6Y8hAxPiFkcDJTSI2cm1LOPAz7En0G0BDriv9 X9VtrBWmc/wT4NhXJUJa/XlELOlr6apf8arGGaGtrE+noPNA4v9BpibThOcVPtJy9A4+ XgNBa3i/3S1KZ/G5OhP32Td3oZO56q2k7OqBg7JqcDcJNYxQ6cS6fuWYkZKrWGD1uC00 eHrR8yCICt6iri7Jr+GJm3X59tqLVwC9qMqMzjW4i+9jYRo6OKzSf3fCOTzN6X31NwOB n4Fw== X-Gm-Message-State: APt69E0WrFzsJq4f8XTXUQ29IbhOxTw50wOHmbif2tDM6dgML0X6RJgT ITPkgNVXbwnvqhoPUMNVIwqolKy1q8UDNGxRhcnD X-Google-Smtp-Source: ADUXVKISIE/qq6EK8Edr4QodxmC+Y+B5yiTzwVoBy62ShW3ledk88rvCMSaymwyAEYqiw8LcMdt/NlkaDda7RLhmok8= X-Received: by 2002:a50:bf47:: with SMTP id g7-v6mr3902359edk.283.1529731179679; Fri, 22 Jun 2018 22:19:39 -0700 (PDT) MIME-Version: 1.0 Received: by 2002:a50:8c94:0:0:0:0:0 with HTTP; Fri, 22 Jun 2018 22:19:39 -0700 (PDT) In-Reply-To: References: Date: Fri, 22 Jun 2018 22:19:39 -0700 Message-ID: Subject: Re: [FlyRotary] EWP To: Rotary motors in aircraft Content-Type: multipart/alternative; boundary="00000000000091162b056f484b0d" --00000000000091162b056f484b0d Content-Type: text/plain; charset="UTF-8" Hi Neil; I have the 80 lpm version as seen here https://daviescraig.com.au/product/ewp80-lcd-controller-combo-12v-8907/ewp80-lcd-controller-combo-12v-8907 When I first bought it many years ago, it was the only one they had. All the other products are new since then. So when I was looking to upgrade my controller to this new one, I ended up buying the combo kit as shown here. (actually the controller shown is even a newer design than the one I recently bought). So I have 2 of these pumps in series with one before the rads and the other after the rads. The controller varies the speed on the primary pump as needed and switches on the secondary pump (with no speed control) as needed. The switch I use for the secondary pump is meant for an electric fan. If I was doing it again I would likely consider one of the larger pumps. I don't know what you are using for a rad but many builders now have a single large rad under the engine and I'm not sure how or if that would have any effect on flow ability. I should mention that one recent change that I made was with my rads. I'm one of those guys still using a set of old ford pick-up evaporator cores on either side of my prop spinner. I previously had them plumbed in parallel with the thought that they may be less restrictive, but the problem with that is you can never ensure equal flow through both and the required plumbing was not really my favorite part of the install. So I have now converted it to a series configuration so all flow must go through both. It is more restrictive but I'm ensured a far greater delta T and the plumbing is much, much nicer. I installed a Mocal oil/water heat exchanger which is what prompted this change, so I'm quite happy with it now. Ground running so far it seems better than it was before. But I'll wait until after full flight testing before confirming that series is better than parallel. Todd Todd Bartrim On Fri, Jun 22, 2018 at 8:59 PM, Neil Unger 12348ung@gmail.com < flyrotary@lancaironline.net> wrote: > Todd, Further to the EWP saga, do you remember what capacity your pump > is? Is it the 130 L/Min or the larger 150 l/min? The more I look the more > impressed I get. Looking at my installation I have heaps of room to mount > the pump basically "under" the engine, which finally gives me a water pump > as low as possible rather than the existing top of the engine. Neil. > > > -- > Homepage: http://www.flyrotary.com/ > Archive and UnSub: http://mail.lancaironline. > net:81/lists/flyrotary/List.html > --00000000000091162b056f484b0d Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable
Hi Neil;
=C2=A0 I have the 80 lpm version as seen here= =C2=A0

When I first bought it m= any years ago, it was the only one they had. All the other products are new= since then. So when I was looking to upgrade my controller to this new one= , I ended up buying the combo kit as shown here. (actually the controller s= hown is even a newer design than the one I recently bought).
=C2= =A0 So I have 2 of these pumps in series with one before the rads and the o= ther after the rads. The controller varies the speed on the primary pump as= needed and switches on the secondary pump (with no speed control) as neede= d. The switch I use for the secondary pump is meant for an electric fan.
=C2=A0 If I was doing it again I would likely consider one of the l= arger pumps. I don't know what you are using for a rad but many builder= s now have a single large rad under the engine and I'm not sure how or = if that would have any effect on flow ability.
=C2=A0 I should me= ntion that one recent change that I made was with my rads. I'm one of t= hose guys still using a set of old ford pick-up evaporator cores on either = side of my prop spinner. I previously had them plumbed in parallel with the= thought that they may be less restrictive, but the problem with that is yo= u can never ensure equal flow through both and the required plumbing was no= t really my favorite part of the install. So I have now converted it to a s= eries configuration so all flow must go through both. It is more restrictiv= e but I'm ensured a far greater delta T and the plumbing is much, much = nicer. I installed a Mocal oil/water heat exchanger which is what prompted = this change, so I'm quite happy with it now.=C2=A0
=C2=A0 Gro= und running so far it seems better than it was before. But I'll wait un= til after full flight testing before confirming that series is better than = parallel.

Todd


Todd Bartrim

On Fri, Jun 22, 2018 at 8:59 PM, Neil Unger = 12348ung@gmail.com <fl= yrotary@lancaironline.net> wrote:
Todd,=C2=A0 Further to the EWP saga, do you remember what capacity y= our pump is?=C2=A0 Is it the 130 L/Min or the larger 150 l/min?=C2=A0 The m= ore I look the more impressed I get.=C2=A0 Looking at my installation I hav= e heaps of room to mount the pump basically "under" the engine, w= hich finally gives me a water pump as low as possible rather than the exist= ing top of the engine.=C2=A0 Neil.


--
Homepage:=C2=A0 http://www.flyrotary.com/
Archive and UnSub:=C2=A0 =C2=A0http://mail= .lancaironline.net:81/lists/flyrotary/List.html

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