X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from proton.sasknet.sk.ca ([142.165.20.178] verified) by logan.com (CommuniGate Pro SMTP 5.3c4) with ESMTPS id 4030289 for flyrotary@lancaironline.net; Sat, 19 Dec 2009 02:56:13 -0500 Received-SPF: none receiver=logan.com; client-ip=142.165.20.178; envelope-from=hjjohnson@sasktel.net Received: from pps.filterd (proton [127.0.0.1]) by proton.sasknet.sk.ca (8.14.3/8.14.3) with SMTP id nBJ7rGhf001566 for ; Sat, 19 Dec 2009 01:55:37 -0600 Received: from bgmpomr1.sasknet.sk.ca (bgmpOMR1.sasknet.sk.ca [142.165.72.22]) by proton.sasknet.sk.ca with ESMTP id jrqe1537s-1 for ; Sat, 19 Dec 2009 01:55:37 -0600 Received: from sasktel.net ([192.168.234.97]) by bgmpomr1.sasknet.sk.ca (SaskTel eMessaging Service) with ESMTP id <0KUW00J743CO0X00@bgmpomr1.sasknet.sk.ca> for flyrotary@lancaironline.net; Sat, 19 Dec 2009 01:55:37 -0600 (CST) Received: from [192.168.234.24] (Forwarded-For: [207.47.194.150]) by cgmail1.sasknet.sk.ca (mshttpd); Sat, 19 Dec 2009 01:55:36 -0600 Date: Sat, 19 Dec 2009 01:55:36 -0600 From: H & J Johnson Subject: Re: [FlyRotary] Fw: [FlyRotary] Re: Radiator/Oil Cooler Combo To: Rotary motors in aircraft Message-id: MIME-version: 1.0 X-Mailer: Sun Java(tm) System Messenger Express 6.1 HotFix 0.20 (built Feb 27 2006) Content-type: multipart/mixed; boundary="Boundary_(ID_QwO5wEo/Eq22RWKNSUgjAA)" Content-language: en X-Accept-Language: en Priority: normal X-Proofpoint-Virus-Version: vendor=fsecure engine=1.12.8161:2.4.5,1.2.40,4.0.166 definitions=2009-12-19_05:2009-12-12,2009-12-19,2009-12-19 signatures=0 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=default score=0 spamscore=0 ipscore=0 phishscore=0 bulkscore=0 adultscore=0 classifier=spam adjust=0 reason=mlx engine=5.0.0-0908210000 definitions=main-0912180309 This is a multi-part message in MIME format. --Boundary_(ID_QwO5wEo/Eq22RWKNSUgjAA) Content-type: text/html; charset=us-ascii Content-transfer-encoding: 7BIT Content-disposition: inline

Greg, I'm curious.. where does the boundry layer air exit on your scoop... it looks as though the covers over the plumbing would block it from exiting out the sides?

Should be a screaming demon w/ that many ponies pulling the stage!

Best Regards

Jarrett Johnson

--Boundary_(ID_QwO5wEo/Eq22RWKNSUgjAA) Content-type: multipart/alternative; boundary="Boundary_(ID_z6IfnU/EAeKqEoVX/1yRhg)" --Boundary_(ID_z6IfnU/EAeKqEoVX/1yRhg) Content-type: text/plain; charset=Windows-1252 Content-transfer-encoding: quoted-printable ----- Original Message -----=20 From: Greg Ward=20 To: Rotary motors in aircraft=20 Sent: Friday, December 18, 2009 8:15 PM Subject: Re: [FlyRotary] Re: Radiator/Oil Cooler Combo Hey Tom; Couple early pictures of our P-51 scoop. We went for it because of that = same article. Additionally, we can drop it with removal of 4 hose = fittings, 106 screws, 10 bolts, and a tranny jack. everything is = external until it hits the cowling, and almost identical to the P-51 = profile, so we're hoping for a little thrust bonus. Greg Ward Lancair 20B N178RG in progress ----- Original Message -----=20 From: Thomas Mann=20 To: Rotary motors in aircraft=20 Sent: Friday, December 18, 2009 7:13 PM Subject: [FlyRotary] Re: Radiator/Oil Cooler Combo Thanks all =85=85 Okay =85. So here=92s what I=92m taking away here. =20 Coolant style heat exchanger at the oil filter location : Not = currently being used in known rotary applications. Consensus is that it = is not sufficient. =20 Oil Cooler in the radiator? I read where Tracy (in an early version) = tried running a coolant coil through the oil pan.=20 So is everyone running a separate oil cooler? =20 I=92m putting this in a canard and will be using the P-51 style scoop. = I=92ve bounced back and forth between that and a NACA scoop. After = reading an article on the =91Meredith Effect=92 I settled on the P-51 = scoop.=20 =20 I=92m a ways off on the engine install but I=92m trying to avoid = painting myself in a corner. I should be installing my engine next = summer with a little luck. =20 T Mann --Boundary_(ID_z6IfnU/EAeKqEoVX/1yRhg) Content-type: text/html; charset=Windows-1252 Content-transfer-encoding: quoted-printable
 
----- Original Message -----=20
From: Greg=20 Ward
Sent: Friday, December 18, 2009 8:15 PM
Subject: Re: [FlyRotary] Re: Radiator/Oil Cooler = Combo

Hey Tom;
Couple early pictures of = our P-51=20 scoop.  We went for it because of that same article. =20 Additionally,  we can drop it with removal of 4 hose fittings, 106 = screws,=20 10 bolts, and a tranny jack.  everything is external until it hits = the=20 cowling, and almost identical to the P-51 profile, so we're hoping for a = little=20 thrust bonus.
Greg Ward
Lancair 20B N178RG in=20 progress
----- Original Message -----
From:=20 Thomas = Mann=20
Sent: Friday, December 18, 2009 = 7:13=20 PM
Subject: [FlyRotary] Re: = Radiator/Oil=20 Cooler Combo

Thanks=20 all =85=85

Okay=20 =85. So here=92s what I=92m taking away here.

 

Coolant=20 style heat exchanger at the oil filter location : Not currently being = used in=20 known rotary applications. Consensus is that it is not=20 sufficient.

 

Oil=20 Cooler in the radiator? I read where Tracy (in an early version) tried = running=20 a coolant coil through the oil pan.

So=20 is everyone running a separate oil cooler?

 

I=92m=20 putting this in a canard and will be using the P-51 style scoop. = I=92ve bounced=20 back and forth between that and a NACA scoop. After reading an article = on the=20 =91Meredith Effect=92 I settled on the P-51 scoop. =

 

I=92m=20 a ways off on the engine install but I=92m trying to avoid painting = myself in a=20 corner. I should be installing my engine next summer with a little=20 luck.

 

T=20 Mann

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