X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from cdptpa-omtalb.mail.rr.com ([75.180.132.120] verified) by logan.com (CommuniGate Pro SMTP 5.2.0) with ESMTP id 2773582 for flyrotary@lancaironline.net; Sun, 02 Mar 2008 09:45:48 -0500 Received-SPF: pass receiver=logan.com; client-ip=75.180.132.120; envelope-from=eanderson@carolina.rr.com Received: from edward2 ([75.191.186.236]) by cdptpa-omta05.mail.rr.com with SMTP id <20080302144508.ZUEG2345.cdptpa-omta05.mail.rr.com@edward2> for ; Sun, 2 Mar 2008 14:45:08 +0000 Message-ID: <001d01c87c74$0e425d60$2402a8c0@edward2> From: "Ed Anderson" To: "Rotary motors in aircraft" References: Subject: Hey Ed WAs : [FlyRotary] Re: Cooling the 20B Date: Sun, 2 Mar 2008 09:45:27 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_001A_01C87C4A.25227B20" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.3138 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3198 This is a multi-part message in MIME format. ------=_NextPart_000_001A_01C87C4A.25227B20 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Sorry! my mistake. =20 In that case, I use two GM evaporator cores 9x11x 3 1/2" providing = approx 200 sq inch frontal area and 690 cubic inches of cooling core = volume (does on include side tanks). I consistently produce 175-180 HP = for take off and suffer a cooling deficit if OAT>60F until reaching 120 = mph IAS or I pull back on the throttle. WOT at 8500 MSL will drive = coolant/oil temps to 190F whereas cruise (approx 5500 -5600 rpm) gives a = coolant and oil temp between 160-170 depending on altitude and OAT. I = swing a 74x88 prop using a RWS 2.85:1 gear box. Ed ----- Original Message -----=20 From: Greg Ward=20 To: Rotary motors in aircraft=20 Sent: Saturday, March 01, 2008 9:20 PM Subject: [FlyRotary] Re: Hey Al was Hey Ed WAs : [FlyRotary] Re: = Cooling the 20B No, actually, I was trying to get a sense of the size of radiator I = would need. Still discussing size, and thickness. Greg ----- Original Message -----=20 From: Ed Anderson=20 To: Rotary motors in aircraft=20 Sent: Saturday, March 01, 2008 12:29 PM Subject: [FlyRotary] Hey Al was Hey Ed WAs : [FlyRotary] Re: Cooling = the 20B Hey Al! I believe Greg meant this question to you as my 13B installation = with rads under the cowl is not conceptually close to what Greg is = considering Ed ----- Original Message -----=20 From: Greg Ward=20 To: Rotary motors in aircraft=20 Sent: Saturday, March 01, 2008 2:41 PM Subject: [FlyRotary] Re: Cooling the 20B Hey Ed; How thick (Dimensions) is your radiator, and what size hoses are = you running? Thinking of surface mounting the feed and return lines, and = the best way to do that. Greg Ward Lancair 20b in progress ----- Original Message -----=20 From: Al Gietzen=20 To: Rotary motors in aircraft=20 Sent: Saturday, March 01, 2008 9:55 AM Subject: [FlyRotary] Re: Cooling the 20B I meant to attach this photo of the fan installation to the = previous post. Al ------------------------------------------------------------------------ -- Homepage: http://www.flyrotary.com/ Archive and UnSub: = http://mail.lancaironline.net:81/lists/flyrotary/List.html ------=_NextPart_000_001A_01C87C4A.25227B20 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable

Sorry! my = mistake.

In that case, I use two GM evaporator = cores 9x11x 3=20 1/2" providing approx 200 sq inch frontal area and 690 cubic inches of = cooling=20 core volume (does on include side tanks). I consistently produce = 175-180=20 HP for take off and suffer a cooling deficit if OAT>60F until = reaching 120=20 mph IAS or I pull back on the throttle. WOT at 8500 MSL will drive = coolant/oil temps to 190F whereas cruise (approx 5500 -5600 rpm) gives a = coolant=20 and oil temp between 160-170 depending on altitude and OAT. I = swing a=20 74x88 prop using a RWS 2.85:1 gear box.

----- Original Message -----
From:=20 Greg=20 Ward
To: Rotary motors in = aircraft

Sent: Saturday, March 01, 2008 = 9:20=20 PM

Subject: [FlyRotary] Re: Hey Al = was Hey=20 Ed WAs : [FlyRotary] Re: Cooling the 20B

No, actually, I was trying to get a sense of = the size of=20 radiator I would need. Still discussing size, and=20 thickness.

Greg

----- Original Message -----
From:=20 Ed Anderson
To: Rotary motors in = aircraft=20

Sent: Saturday, March 01, = 2008 12:29=20 PM

Subject: [FlyRotary] Hey Al = was Hey Ed=20 WAs : [FlyRotary] Re: Cooling the 20B

Hey Al!

I believe Greg meant this question to you as = my 13B=20 installation with rads under the cowl is not conceptually close = to=20 what Greg is considering

Ed

----- Original Message ----- =
From:=20 Greg Ward
To: Rotary motors in = aircraft=20

Sent: Saturday, March 01, = 2008 2:41=20 PM

Subject: [FlyRotary] Re: = Cooling the=20 20B

Hey Ed;

How thick (Dimensions) is your radiator, = and what=20 size hoses are you running? Thinking of surface mounting the feed = and=20 return lines, and the best way to do that.

Greg Ward

Lancair 20b in progress

----- Original Message ----- =
From:=20 Al=20 Gietzen
To: Rotary motors in = aircraft=20

Sent: Saturday, March 01, = 2008 9:55=20 AM

Subject: [FlyRotary] Re: = Cooling=20 the 20B

I meant to attach this = photo of the=20 fan installation to the previous post.

Al

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Homepage: http://www.flyrotary.com/
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