X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from imr-ma04.mx.aol.com ([64.12.206.42] verified) by logan.com (CommuniGate Pro SMTP 5.4.6) with ESMTP id 5645932 for flyrotary@lancaironline.net; Tue, 10 Jul 2012 14:47:17 -0400 Received-SPF: pass receiver=logan.com; client-ip=64.12.206.42; envelope-from=CozyGirrrl@aol.com Received: from mtaomg-mb04.r1000.mx.aol.com (mtaomg-mb04.r1000.mx.aol.com [172.29.41.75]) by imr-ma04.mx.aol.com (8.14.1/8.14.1) with ESMTP id q6AIkXFP016453 for ; Tue, 10 Jul 2012 14:46:33 -0400 Received: from core-dsb004b.r1000.mail.aol.com (core-dsb004.r1000.mail.aol.com [172.29.253.13]) by mtaomg-mb04.r1000.mx.aol.com (OMAG/Core Interface) with ESMTP id 35013E00008F for ; Tue, 10 Jul 2012 14:46:33 -0400 (EDT) From: CozyGirrrl@aol.com Message-ID: <37d8d.25220be5.3d2dd288@aol.com> Date: Tue, 10 Jul 2012 14:46:33 -0400 (EDT) Subject: Re: [FlyRotary] Re: First lift off with single rotor To: flyrotary@lancaironline.net MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="part1_37d8d.25220be5.3d2dd288_boundary" X-Mailer: AOL 9.6 sub 5004 X-Originating-IP: [69.152.95.43] x-aol-global-disposition: G DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=mx.aol.com; s=20110426; t=1341945993; bh=su5HasPa+o1OG+f/yuX8GXb5E2ddfU1FWUl1jvj2DKs=; h=From:To:Subject:Message-ID:Date:MIME-Version:Content-Type; b=Km4GNx1nPRIogBj4fuNxfMdlyQyYHN9NXE05xhEN6FF/vJYfwDYG7lWCPrf6cP+AP /+xEl7APgqR3oedl0ux+eUxETWX64TkBV/Zo98rd0EDar3vUGSyt+OxE1eqFVYxExx LLsjHm6SWhkSYKcDiPpZbpXas1ywn70FiMzZbFm4= X-AOL-SCOLL-SCORE: 0:2:458436224:93952408 X-AOL-SCOLL-URL_COUNT: 0 x-aol-sid: 3039ac1d294b4ffc788949aa --part1_37d8d.25220be5.3d2dd288_boundary Content-Type: text/plain; charset="US-ASCII" Content-Transfer-Encoding: 7bit That's specifically why we suggested 150%, once it is cooling then begin to choke off intake until it changes, then work on outlet. If it does not cool at 150% you know you have bigger problems elsewhere to deal with first. Chrissi & Randi _www.CozyGirrrl.com_ (http://www.cozygirrrl.com/) ClickBonds 10/$7.50 CG Products, Custom Aircraft Hardware Chairwomen, Sun-N-Fun Engine Workshop In a message dated 7/10/2012 1:30:56 P.M. Central Daylight Time, ceengland@bellsouth.net writes: Kent Paser? (Speed with Economy) IIRC, he said (it's been repeated by the CAFE test guys in California) that *with proper in-cowl exit air handling*, you can actually make the exit slightly smaller than the inlet. (But not too many have been able to achieve that.) Charlie On 07/10/2012 11:44 AM, Dwayne Parkinson wrote: There was a guy who optimized his Mustang for performance. He wrote a book which I don't recall the title of but it was all about the performance tests and modifications he made and the corresponding speed gains. Anyhow, he discovered that for his installation the exit should be 1.1 times the intake. For what it's worth.... Dwayne ____________________________________ From: Richard Sohn __ (mailto:res12@fairpoint.net) To: Rotary motors in aircraft __ (mailto:flyrotary@lancaironline.net) Sent: Tuesday, July 10, 2012 10:51 AM Subject: [FlyRotary] First lift off with single rotor Analyzed the dimensions of my cowling, and fount the exit openings being about 70% of the inlet openings. Big mistake there. This will be fixed before looking at other options. Richard Sohn N2071U _http://www.fairpoint.net/~res12/home.html_ (http://www.fairpoint.net/~res12/home.html) --part1_37d8d.25220be5.3d2dd288_boundary Content-Type: text/html; charset="US-ASCII" Content-Transfer-Encoding: quoted-printable

That's specifically why we suggested 150%, once it is cooling then beg= in to=20 choke off intake until it changes, then work on outlet.

If it does not cool at 150% you know you have bigger problems elsewher= e to=20 deal with first.

Chrissi &=20 Randi

www.CozyGirrrl.com
ClickB= onds=20 10/$7.50
CG Products, Custom Aircraft Hardware
Chairwomen, Sun-N-Fun= =20 Engine Workshop

In a message dated 7/10/2012 1:30:56 P.M. Central Daylight Time,=20 ceengland@bellsouth.net writes:

= Kent=20 Paser? (Speed with Economy)

IIRC, he said (it's been repeated by t= he=20 CAFE test guys in California) that *with proper in-cowl exit air handling= *,=20 you can actually make the exit slightly smaller than the inlet. (But not = too=20 many have been able to achieve that.)

Charlie

On=20 07/10/2012 11:44 AM, Dwayne Parkinson wrote:=20

There was a guy who optimized his Mustang for performance.= =20 He wrote a book which I don't recall the title of but it was all = about=20 the performance tests and modifications he made and the corresponding s= peed=20 gains. Anyhow, he discovered that for his installation the exit s= hould=20 be 1.1 times the intake. For what it's worth....

Dwayne

From: Richard Sohn <res12@fairpoint.net>
= To: Rotary motors in aircraft <flyrotary@lancaironline= .net>=20
Sent: Tuesday, July= 10,=20 2012 10:51 AM
Subject:=20 [FlyRotary] First lift off with single rotor

Analyzed the dimensions of my cowling, and fount the exit openings= =20 being about 70% of the inlet openings. Big mistake there. This will be = fixed=20 before looking at other options.

Rich= ard=20 Sohn
N2071U

http://www.fairpoint= .net/~res12/home.html

=

--part1_37d8d.25220be5.3d2dd288_boundary--