X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from smtpauth01.mail.atl.earthlink.net ([209.86.89.61] verified) by logan.com (CommuniGate Pro SMTP 4.3.5) with ESMTP id 1027480 for flyrotary@lancaironline.net; Thu, 30 Jun 2005 15:29:03 -0400 Received-SPF: pass receiver=logan.com; client-ip=209.86.89.61; envelope-from=jerryhey@earthlink.net Received: from [71.2.107.92] (helo=earthlink.net) by smtpauth01.mail.atl.earthlink.net with asmtp (Exim 4.34) id 1Do4hu-0007yG-IW for flyrotary@lancaironline.net; Thu, 30 Jun 2005 15:28:19 -0400 DomainKey-Signature: a=rsa-sha1; q=dns; c=simple; s=test1; d=earthlink.net; h=Date:Subject:Content-Type:Mime-Version:From:To:In-Reply-To:Message-Id:X-Mailer; b=C/MfwMCpOwGc1nUBfQ0v2Ay0V0h4xUALzx2j7qJREppHbfP63qSIsvV+qZIbS3OY; Date: Thu, 30 Jun 2005 14:30:32 -0500 Subject: Re: [FlyRotary] Re: P Ports working on dyno Content-Type: multipart/alternative; boundary=Apple-Mail-14-118712290 Mime-Version: 1.0 (Apple Message framework v552) From: Jerry Hey To: "Rotary motors in aircraft" In-Reply-To: Message-Id: <6CE00324-E99D-11D9-91E7-0003931B0C7A@earthlink.net> X-Mailer: Apple Mail (2.552) X-ELNK-Trace: 8104856d7830ec6b1aa676d7e74259b7b3291a7d08dfec79dc98544d3891799dbc39b6de491371e4350badd9bab72f9c350badd9bab72f9c350badd9bab72f9c X-Originating-IP: 71.2.107.92 --Apple-Mail-14-118712290 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset=ISO-8859-1; format=flowed Bill, I did get the jpeg and I really like the concept. I never saw=20= the original VAM. Ed told me about how it was chopped up to fit=20 Tracy's test engine. I asked what was inside it and he said "nothing."=20= Originally I can recall some discussion on the other list about=20 putting a valve on the inlet to prevent exhaust gas from going the=20 wrong way when the airplane was not moving. That probably came from a=20= misunderstanding of your concept. I really like the version you=20 posted today. Jerry On Thursday, June 30, 2005, at 02:18 PM, wrjjrs@aol.com wrote: > Jerry, That is not what I understood, but I'll take your word for it.=20= > I also would mention that I Muffed the name, I intended to reply to=20 > Rusty ,(since you, Jerry are well aware of the going's on with the=20 > VAM.) If=A0Ed DIDN'T put the center tube thru to the tail pipe the VAM=20= > simply WOULDN'T WORK! =A0The center tube must be placed in the center,=20= > (in fact partially inside) of the tail pipe. Did you get the jpeg? > Bill Jepson > =A0 > -----Original Message----- > From: Jerry Hey > To: Rotary motors in aircraft > Sent: Thu, 30 Jun 2005 14:06:03 -0500 > Subject: [FlyRotary] Re: P Ports working on dyno > > .AOLPlainTextBody { margin: 0px; font-family: Tahoma, Verdana, Arial,=20= > Sans-Serif; font-size: 12px; color: #000; background-color: #fff; }=20 > .AOLPlainTextBody pre { font-size: 9pt; } .AOLInlineAttachment {=20 > margin: 10px; } .AOLAttachmentHeader { border-bottom: 2px solid=20 > #E9EAEB; background: #F9F9F9; } .AOLAttachmentHeader .Title { font:=20 > 11px Tahoma; font-weight: bold; color: #666666; background: #E9EAEB;=20= > padding: 3px 0px 1px 10px; } .AOLAttachmentHeader .FieldLabel { font:=20= > 11px Tahoma; font-weight: bold; color: #666666; padding: 1px 10px 1px=20= > 9px; } .AOLAttachmentHeader .FieldValue { font: 11px Tahoma; color:=20 > #333333; } > Correction, it originally had the tail pipe but no tube going through=20= > the center. Jerry=A0 > =A0 > On Thursday, June 30, 2005, at 01:46 PM, Jerry Hey wrote:=A0 > =A0 > > Bill, FWIW, the VAM muffler built by Ed did not have the center=20 > tube. > It was just a hollow cylinder with a two inch hole in either=20= > end. > We could not figure out how it was supposed to work but=20 > discussions > about it soon led to the question "what if we run a tube=20= > through it." > At that point we thought we had really come up with=20 > something that > might work. ...The rest of the story you already=20 > know.=A0 > >=A0 > >=A0 > > On Thursday, June 30, 2005, at 01:32 PM, wrjjrs@aol.com wrote:=A0 > >=A0 > >> Jerry, Yes it was a discussion of a occurance on the "other list".=20= > >> Prior to my joining Flyrotary I did a muffler layout to reduce the=20= > >> temp of the exit gasses. It was a tangential design with a center=20= > >> tube. Jerry's system is an outgrowth of the original layout.=20 > (Totally >> with my agreement)=A0Ed Kleppis did a muffler from the=20 > original >> picture,=A0and=A0took it to=A0Tracy's gathering to try it = out.=20 > It didn't >> fit on Tracys test stand with the tail pipe so they ran=20= > it without >> it. PL then said it's LOUD. Of course it would be=20 > without a tail >> pipe. It=A0might have been with a tail pipe but we=20= > won't know. I still >> think the idea has merrit but several=A0areas = are=20 > kinda critical. I >> will attach=A0an old jpeg. If anybody is = interested=20 > I go over the >> specifics. BTW the layout is for a 20B of course=20 > that's =A0why the 3 >> holes! The hole in front needs a inlet or blast=20= > tube for the cool air >> feed.=A0 > >> Bill Jepson=A0 > >> =A0=A0 > >> -----Original Message-----=A0 > >> From: Russell Duffy <13brv3@bellsouth.net>=A0 > >> To: Rotary motors in aircraft =A0 > >> Sent: Thu, 30 Jun 2005 12:57:07 -0500=A0 > >> Subject: [FlyRotary] Re: P Ports working on dyno=A0 > >>=A0 > >> .AOLPlainTextBody { margin: 0px; font-family: Tahoma, Verdana,=20 > Arial, >> Sans-Serif; font-size: 12px; color: #000; background-color:=20= > #fff; } >> .AOLPlainTextBody pre { font-size: 9pt; }=20 > .AOLInlineAttachment { >> margin: 10px; } .AOLAttachmentHeader {=20 > border-bottom: 2px solid >> #E9EAEB; background: #F9F9F9; }=20 > .AOLAttachmentHeader .Title { font: >> 11px Tahoma; font-weight: bold;=20= > color: #666666; background: #E9EAEB; >> padding: 3px 0px 1px 10px; }=20= > .AOLAttachmentHeader .FieldLabel { font: >> 11px Tahoma; font-weight:=20= > bold; color: #666666; padding: 1px 10px 1px >> 9px; }=20 > .AOLAttachmentHeader .FieldValue { font: 11px Tahoma; color: >>=20 > #333333; }=A0 > >> Bill, the muffler is "optically dense." The "tailpipe" cannot be=20 > seen >> by the exhaust ports. I wish Paul had tested a little more and=20= > given >> me more information. A number of people want this muffler but=20= > I have >> declined to build more until it could be tested properly.=20 > Even Paul >> is telling Bob White to change nothing until he hears it=20= > for himself. >> I need to finish my engine and put it on my own dyno.=20= > Jerry=A0=A0 > >> =A0=A0 > >> Hi Jerry,=A0 > >> =A0=A0 > >> I've been trying=A0to follow this, but I think you guys must be >>=20= > referring to a post on the PL list.=A0 Did he just bolt it on and >>=20= > listen to it, then take it off without actually doing a dyno pull on=20= > >> it?=A0 That would be a bummer.=A0=A0 > >> =A0=A0 > >> If you're going to discuss it here, could you post=A0the whole=20 > message >> you're=A0commenting on, so the rest of us can = follow=A0along?=A0=20 > Of course, >> you could also hold this discussion on the other list,=20= > or=A0at least >> "try" to :-)=A0=A0=A0 > >> =A0=A0 > >> Cheers,=A0 > >> Rusty=A0 > >> =A0=A0 > >> =A0=A0 > >> =A0=A0 > >> Homepage: >>=20 > http://www.flyrotary.com/=A0 > >>>> Archive: http://lancaironline.net/lists/flyrotary/List.html=A0 --Apple-Mail-14-118712290 Content-Transfer-Encoding: quoted-printable Content-Type: text/enriched; charset=ISO-8859-1 Bill, I did get the jpeg and I really like the concept. I never saw the original VAM. Ed told me about how it was chopped up to fit Tracy's test engine. I asked what was inside it and he said "nothing." Originally I can recall some discussion on the other list about putting a valve on the inlet to prevent exhaust gas from going the wrong way when the airplane was not moving. That probably came from a misunderstanding of your concept. I really like the version=20 you posted today. Jerry =20 On Thursday, June 30, 2005, at 02:18 PM, wrjjrs@aol.com wrote: Jerry, That is not what I understood, but I'll take your word for it. I also would mention that I Muffed the name, I intended to reply to Rusty ,(since you, Jerry are well aware of the going's on with the VAM.) If=A0Ed DIDN'T put the center tube thru to the tail pipe the VAM simply WOULDN'T WORK! =A0The center tube must be placed in the center, (in fact partially inside) of the tail pipe. Did you get the jpeg? Bill Jepson =A0 -----Original Message----- From: Jerry Hey < To: Rotary motors in aircraft < Sent: Thu, 30 Jun 2005 14:06:03 -0500 Subject: [FlyRotary] Re: P Ports working on dyno .AOLPlainTextBody { margin: 0px; font-family: Tahoma, Verdana, Arial, Sans-Serif; font-size: 12px; color: #000; background-color: #fff; } .AOLPlainTextBody pre { font-size: 9pt; } .AOLInlineAttachment { margin: 10px; } .AOLAttachmentHeader { border-bottom: 2px solid #E9EAEB; background: #F9F9F9; } .AOLAttachmentHeader .Title { font: 11px Tahoma; font-weight: bold; color: #666666; background: #E9EAEB; padding: 3px 0px 1px 10px; } .AOLAttachmentHeader .FieldLabel { font: 11px Tahoma; font-weight: bold; color: #666666; padding: 1px 10px 1px 9px; } .AOLAttachmentHeader .FieldValue { font: 11px Tahoma; color: #333333; } Correction, it originally had the tail pipe but no tube going through the center. Jerry=A0 =A0 On Thursday, June 30, 2005, at 01:46 PM, Jerry Hey wrote:=A0 =A0 > Bill, FWIW, the VAM muffler built by Ed did not have the center tube. > It was just a hollow cylinder with a two inch hole in either end. > We could not figure out how it was supposed to work but discussions > about it soon led to the question "what if we run a tube through it." > At that point we thought we had really come up with something that > might work. ...The rest of the story you already know.=A0 >=A0 >=A0 > On Thursday, June 30, 2005, at 01:32 PM, = 1999,1999,FFFFwrjjrs@aol.com wrote:=A0 >=A0 >> Jerry, Yes it was a discussion of a occurance on the "other list". >> Prior to my joining Flyrotary I did a muffler layout to reduce the >> temp of the exit gasses. It was a tangential design with a center >> tube. Jerry's system is an outgrowth of the original layout. (Totally >> with my agreement)=A0Ed Kleppis did a muffler from the original >> picture,=A0and=A0took it to=A0Tracy's gathering to try it = out. It didn't >> fit on Tracys test stand with the tail pipe so they ran it without >> it. PL then said it's LOUD. Of course it would be without a tail >> pipe. It=A0might have been with a tail pipe but we won't know. I still >> think the idea has merrit but several=A0areas are kinda critical. I >> will attach=A0an old jpeg. If anybody is interested I go over the >> specifics. BTW the layout is for a 20B of course that's =A0why the 3 >> holes! The hole in front needs a inlet or blast tube for the cool air >> feed.=A0 >> Bill Jepson=A0 >> =A0=A0 >> -----Original Message-----=A0 >> From: Russell Duffy = <<1999,1999,FFFF13brv3@bellsouth.net>=A0 >> To: Rotary motors in aircraft = <<1999,1999,FFFFflyrotary@lancaironline.n= et>=A0 >> Sent: Thu, 30 Jun 2005 12:57:07 -0500=A0 >> Subject: [FlyRotary] Re: P Ports working on dyno=A0 >>=A0 >> .AOLPlainTextBody { margin: 0px; font-family: Tahoma, Verdana, Arial, >> Sans-Serif; font-size: 12px; color: #000; background-color: #fff; } >> .AOLPlainTextBody pre { font-size: 9pt; } .AOLInlineAttachment { >> margin: 10px; } .AOLAttachmentHeader { border-bottom: 2px solid >> #E9EAEB; background: #F9F9F9; } .AOLAttachmentHeader .Title { font: >> 11px Tahoma; font-weight: bold; color: #666666; background: #E9EAEB; >> padding: 3px 0px 1px 10px; } .AOLAttachmentHeader .FieldLabel { font: >> 11px Tahoma; font-weight: bold; color: #666666; padding: 1px 10px 1px >> 9px; } .AOLAttachmentHeader .FieldValue { font: 11px Tahoma; color: >> #333333; }=A0 >> Bill, the muffler is "optically dense." The "tailpipe" cannot be seen >> by the exhaust ports. I wish Paul had tested a little more and given >> me more information. A number of people want this muffler but I have >> declined to build more until it could be tested properly. Even Paul >> is telling Bob White to change nothing until he hears it for himself. >> I need to finish my engine and put it on my own dyno. Jerry=A0=A0 >> =A0=A0 >> Hi Jerry,=A0 >> =A0=A0 >> I've been trying=A0to follow this, but I think you guys must be >> referring to a post on the PL list.=A0 Did he just bolt it on and >> listen to it, then take it off without actually doing a dyno pull on >> it?=A0 That would be a bummer.=A0=A0 >> =A0=A0 >> If you're going to discuss it here, could you post=A0the whole message >> you're=A0commenting on, so the rest of us can follow=A0along?=A0= Of course, >> you could also hold this discussion on the other list, or=A0at least >> "try" to :-)=A0=A0=A0 >> =A0=A0 >> Cheers,=A0 >> Rusty=A0 >> =A0=A0 >> =A0=A0 >> =A0=A0 >> << Homepage: >> = 1999,1999,FFFFhttp://www.flyrotary.com/=A0 >>>> Archive: = 1999,1999,FFFFhttp://lancaironline.net/li= sts/flyrotary/List.html=A0 = --Apple-Mail-14-118712290--