X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from cdptpa-omtalb.mail.rr.com ([75.180.132.121] verified) by logan.com (CommuniGate Pro SMTP 5.4c3j) with ESMTP id 4945737 for flyrotary@lancaironline.net; Wed, 13 Apr 2011 23:38:57 -0400 Received-SPF: pass receiver=logan.com; client-ip=75.180.132.121; envelope-from=eanderson@carolina.rr.com Return-Path: X-Authority-Analysis: v=1.1 cv=2pE2Kh9Ye2ywHyyFZnC5ZQ1FvuPrdOtuPO5uN4ysVDU= c=1 sm=0 a=IUhzsfSobwAA:10 a=rPkcCx1H5rrOSfN0dPC7kw==:17 a=3oc9M9_CAAAA:8 a=ayC55rCoAAAA:8 a=dtr3kRfw9UzyOtxfOO0A:9 a=wPNLvfGTeEIA:10 a=U8Ie8EnqySEA:10 a=Ia-xEzejAAAA:8 a=T4Uuzke7J0uYRPQL2wMA:9 a=xv1LJHgIvT1wBHcNgt0A:7 a=EzXvWhQp4_cA:10 a=rPkcCx1H5rrOSfN0dPC7kw==:117 X-Cloudmark-Score: 0 X-Originating-IP: 174.110.167.5 Received: from [174.110.167.5] ([174.110.167.5:61582] helo=EdPC) by cdptpa-oedge03.mail.rr.com (envelope-from ) (ecelerity 2.2.3.46 r()) with ESMTP id 0C/EB-05159-F2C66AD4; Thu, 14 Apr 2011 03:38:23 +0000 Message-ID: From: "Ed Anderson" To: "Rotary motors in aircraft" References: In-Reply-To: Subject: Re: [FlyRotary] Re: Cooling of the BIG IRON Date: Wed, 13 Apr 2011 23:38:14 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_001E_01CBFA33.DB67CC40" X-Priority: 3 X-MSMail-Priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 14.0.8117.416 X-MimeOLE: Produced By Microsoft MimeOLE V14.0.8117.416 This is a multi-part message in MIME format. ------=_NextPart_000_001E_01CBFA33.DB67CC40 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Ah, Yes, Many a take off in the B-52 fortress ( and one in the KC-135 tanker) on = a Hot Oklahoma day took a lot of water being injected into the engines = to give sufficient thrust to get airborne. In fact, failure of the = water injection system on certain hot days required aborting the take = off. Ed From: Lehanover@aol.com=20 Sent: Wednesday, April 13, 2011 9:07 PM To: Rotary motors in aircraft=20 Subject: [FlyRotary] Re: Cooling of the BIG IRON Well done Mr. Anderson.=20 That 50/50 mixture was also ingested by big radials in military power = for cooling and anti detonation. Same for early pure jets where it was added to add mass to the exhaust = flow on take off. Lynn E. Hanover In a message dated 4/13/2011 10:23:40 A.M. Atlantic Daylight Time, = eanderson@carolina.rr.com writes: I came across a study looking at ways to cool aircraft racing engines = (for the BIG iron), makes some interesting reading as they look at EVERY = way to cool a race engine including sacrificial boiling off (phase = change) of an expendable liquid as well as spray bar cooling, etc. ------=_NextPart_000_001E_01CBFA33.DB67CC40 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Ah, Yes,
 
Many a take off in the B-52 fortress ( and one in = the KC-135=20 tanker) on a Hot Oklahoma day took a lot of water being injected into = the=20 engines to give sufficient thrust to get airborne.  In fact, = failure of the=20 water injection system on certain hot days required aborting the take=20 off.
 
Ed

Sent: Wednesday, April 13, 2011 9:07 PM
Subject: [FlyRotary] Re: Cooling of the BIG = IRON

Well done Mr. Anderson.
 
That 50/50 mixture was also ingested by big radials in military = power for=20 cooling and anti detonation.
 
Same for early pure jets where it was added to add mass to the = exhaust flow=20 on take off.
 
Lynn E. Hanover
 
In a message dated 4/13/2011 10:23:40 A.M. Atlantic Daylight Time, = eanderson@carolina.rr.com=20 writes:
I came across a study looking at ways to cool = aircraft=20 racing engines (for the BIG iron), makes some interesting reading as = they look=20 at EVERY way to cool a race engine including sacrificial boiling off = (phase=20 change) of an expendable liquid as well as spray bar cooling,=20 etc.
 
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