X-Virus-Scanned: clean according to Sophos on Logan.com X-SpamCatcher-Score: 2 [X] Return-Path: Received: from ms-smtp-02.southeast.rr.com ([24.25.9.101] verified) by logan.com (CommuniGate Pro SMTP 5.1.6) with ESMTP id 1853503 for flyrotary@lancaironline.net; Wed, 21 Feb 2007 12:35:05 -0500 Received-SPF: pass receiver=logan.com; client-ip=24.25.9.101; envelope-from=eanderson@carolina.rr.com Received: from edward2 (cpe-024-074-103-061.carolina.res.rr.com [24.74.103.61]) by ms-smtp-02.southeast.rr.com (8.13.6/8.13.6) with SMTP id l1LHXhZN014189 for ; Wed, 21 Feb 2007 12:33:44 -0500 (EST) Message-ID: <000d01c755de$78df28a0$2402a8c0@edward2> From: "Ed Anderson" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Another exploding cigar?? Date: Wed, 21 Feb 2007 12:33:59 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_000A_01C755B4.8FB0EE80" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.3028 X-MIMEOLE: Produced By Microsoft MimeOLE V6.00.2900.3028 X-Virus-Scanned: Symantec AntiVirus Scan Engine This is a multi-part message in MIME format. ------=_NextPart_000_000A_01C755B4.8FB0EE80 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Hi John, I have often thought that perhaps two of those cones in a 3" tube might = provide sufficient lowering of the noise level. However, having two = tubes, that would mean 4 cones and a bit expensive. Tracy has had very good luck with the Flow Master Hush Power II. It has = about the best streamline combined with good sound suppression. Tracy = reported it not quite as good as the Spintech on the sound suppression = but better with less drag (and less cost). Ed ----- Original Message -----=20 From: John Downing=20 To: Rotary motors in aircraft=20 Sent: Wednesday, February 21, 2007 8:27 AM Subject: [FlyRotary] Re: Another exploding cigar?? Lynn, you may have the small idea for a round spintech in your Borla. = I had the thought after looking at the cone in Jegs hot rod catalog. = Has anyone tried one of these cones, the smallest one is 3" in diameter = and is $69. If it would stand the hammering it could be mounted in a 6 = or 7" piece of stainless pipe and should not be weight restrictive. = JohnD ----- Original Message -----=20 From: Lehanover@aol.com=20 To: Rotary motors in aircraft=20 Sent: Wednesday, February 21, 2007 12:02 AM Subject: [FlyRotary] Re: Another exploding cigar?? In a message dated 2/20/2007 7:46:37 P.M. Eastern Standard Time, = downing.j@sbcglobal.net writes: I welcome any and all comments and criticism, as I stated, I don't = have a clue how this will work. JohnD I think this will be rejected out of hand. Just enough flow to get = off idle but no more. So now we have a 4" Borla stainless.=20 For the lower RPM the smaller core diameter would be OK. But the = least amount of restriction possible is far better.=20 The Spintech worked. It just had a bad shape. How about a round = Spintech? Lynn E. Hanover=20 -------------------------------------------------------------------------= --- Check out free AOL. Most comprehensive set of free safety and = security tools, millions of free high-quality videos from across the = web, free AOL Mail and much more. ------=_NextPart_000_000A_01C755B4.8FB0EE80 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Hi John,
 
I have often thought that perhaps two of those cones in a 3" tube = might=20 provide sufficient lowering of the noise level.  However, having = two tubes,=20 that would mean 4 cones and a bit expensive.
 
Tracy has had very good luck with the Flow Master Hush Power = II.  It=20 has about the best streamline combined with good sound = suppression.  Tracy=20 reported it not quite as good as the Spintech on the sound suppression = but=20 better with less drag (and less cost).
 
Ed
----- Original Message -----
From:=20 John=20 Downing
Sent: Wednesday, February 21, = 2007 8:27=20 AM
Subject: [FlyRotary] Re: = Another=20 exploding cigar??

Lynn, you may have the small idea for a round = spintech=20 in your Borla.  I had the thought after looking at the cone = in Jegs=20 hot rod catalog.  Has anyone tried one of these cones, the = smallest one=20 is 3" in diameter and is $69.  If it would stand the hammering it = could=20 be mounted in a 6 or 7" piece of stainless pipe and should not be = weight=20 restrictive.  JohnD
----- Original Message -----
From:=20 Lehanover@aol.com
To: Rotary motors in = aircraft=20
Sent: Wednesday, February 21, = 2007=20 12:02 AM
Subject: [FlyRotary] Re: = Another=20 exploding cigar??

In a message dated 2/20/2007 7:46:37 P.M. Eastern Standard = Time, downing.j@sbcglobal.net=20 writes:
I welcome any and all = comments and=20 criticism, as I stated, I don't have a clue how this will = work. =20 JohnD
 
I think this will be rejected out of hand. Just enough flow to = get off=20 idle but no more.  So now we have a 4" Borla stainless. =
 
For the lower RPM the smaller core diameter would be OK. But = the least=20 amount of restriction possible is far better.
 
The Spintech worked. It just had a bad shape. How about a round = Spintech?
 
Lynn E. Hanover 



Check out free = AOL.=20 Most comprehensive set of free safety and security tools, millions = of free=20 high-quality videos from across the web, free AOL Mail and much=20 more.
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