X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [24.25.9.101] (HELO ms-smtp-02-eri0.southeast.rr.com) by logan.com (CommuniGate Pro SMTP 4.3c5) with ESMTP id 946838 for flyrotary@lancaironline.net; Mon, 16 May 2005 22:43:47 -0400 Received-SPF: pass receiver=logan.com; client-ip=24.25.9.101; envelope-from=eanderson@carolina.rr.com Received: from edward2 (cpe-024-074-189-178.carolina.res.rr.com [24.74.189.178]) by ms-smtp-02-eri0.southeast.rr.com (8.12.10/8.12.7) with SMTP id j4H2gw0W008558 for ; Mon, 16 May 2005 22:42:59 -0400 (EDT) Message-ID: <000701c55a8a$24486c80$2402a8c0@edward2> From: "Ed Anderson" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Muffler was [FlyRotary] Re: Prop balancing? Date: Mon, 16 May 2005 22:42:59 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0004_01C55A68.9C864130" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.2180 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.2180 X-Virus-Scanned: Symantec AntiVirus Scan Engine This is a multi-part message in MIME format. ------=_NextPart_000_0004_01C55A68.9C864130 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Boy! I like these kind of imaginative ideas. Now If I could only figure = out what to make the diaphragm out of. Nice idea, Bob Ed ----- Original Message -----=20 From: Bob Perkinson=20 To: Rotary motors in aircraft=20 Sent: Monday, May 16, 2005 10:04 PM Subject: [FlyRotary] Re: Muffler was [FlyRotary] Re: Prop balancing? Ed, Ever think about a pulsating air pump. Build it like a drum with = one-way reed valves. Sound waves beat the drum and pumps air to the = intake, and if timed right would offset wave pattern in the intake. = Just a thought! =20 Bob Perkinson Hendersonville, TN. RV9A If Nothing Changes Nothing Changes! =20 =20 AND give up 15HP? Nope, besides need some motivation to do some more = muffler design work (play). I keep thinking about all the power in that exhaust pulse and the = potential of doing something? with it {:>) =20 ------=_NextPart_000_0004_01C55A68.9C864130 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Boy! I like these kind of imaginative = ideas.  Now If=20 I could only figure out what to make the diaphragm out of.
Nice idea, Bob
 
Ed
----- Original Message -----
From:=20 Bob=20 Perkinson
Sent: Monday, May 16, 2005 = 10:04 PM
Subject: [FlyRotary] Re: = Muffler was=20 [FlyRotary] Re: Prop balancing?

Ed,

Ever=20 think about a pulsating air pump. =20 Build it like a drum with one-way reed valves.  Sound waves beat the drum = and pumps=20 air to the intake, and if timed right would offset wave pattern in the = intake.  Just a=20 thought!

 

Bob=20 Perkinson

Hendersonville,=20 TN.

RV9A

If Nothing=20 Changes

Nothing=20 Changes!

 

 

AND give = up=20 15HP?  Nope, besides need some motivation to do some more muffler = design=20 work (play).

I keep = thinking about=20 all the power in that exhaust pulse and the potential of doing = something? with=20 it {:>)

 

------=_NextPart_000_0004_01C55A68.9C864130--