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 1855450 for flyrotary@lancaironline.net; Thu, 22 Feb 2007 09:20:50 -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 l1MEJZDa015779 for ; Thu, 22 Feb 2007 09:19:35 -0500 (EST) Message-ID: <000f01c7568c$7b98a540$2402a8c0@edward2> From: "Ed Anderson" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: Another exploding cigar?? Date: Thu, 22 Feb 2007 09:19:36 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_000C_01C75662.926A6B20" 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_000C_01C75662.926A6B20 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Glad to help, Allen Here are URLs for the two I mentioned http://www.spiderautomotive.com/huspower2.html http://www.spintechmufflers.com/spintech/spintechindex.asp Can do a web search for more places to buy the HushpowerII Ed ----- Original Message -----=20 From: Allen Slominski=20 To: Rotary motors in aircraft=20 Sent: Thursday, February 22, 2007 8:05 AM Subject: [FlyRotary] Re: Another exploding cigar?? Ed, Thanks so much for the info. Since these units actually have names, I = assuming they are for purchase. Who reps/manufactures these units. Allen Slominski Houston, TX Ed Anderson wrote: Hi Allen, Yes, the temps get up there a bit. Stainless steel is pretty much = the standard although heavy gauge mile steel can work - but generally = too heavy for an aircraft. I think the two mufflers already mentioned = the FlowMaster Hushpower II and the SpinTech are two that have flown and = survived. I do not now of any specs for an exhaust system, it would = depend a lot on the type of installation involved. =20 Ed ----- Original Message -----=20 From: Allen Slominski=20 To: Rotary motors in aircraft=20 Sent: Wednesday, February 21, 2007 9:48 PM Subject: [FlyRotary] Re: Another exploding cigar?? Ed, I'm a newby to the rotary, but I understand that the temps are = pretty outrageous also. Somethink like 1700 to 1900 degrees F. Does = anyone have a spec or detail for exhaust systems? Mufflers would be = nice also. Allen Slominski Houston, TX Ed Anderson wrote: Hi Dave. Basically, the Swiss muffler is attributed to the tough noise = abatement rules of the Swiss government for aircraft - including small = GA and experimental. Tony Bingelis who wrote a column of "How to" for = Sport Aviation for years included it in one of his books "FireWall = Forward"-Page 112. The muffler (as shown in his book) was an aluminum tube 3 1/8" = in diameter about 4 -5 feet long. A stainless steel mesh was rolled = into a smaller diameter tube to be stuck in the middle after = fiberglass cloth was wrapped around the mesh tube. This was all stuffed = in the 3 1/8" aluminum tube making a very light weight and effective = muffler. Sort of a light weight glass-pack muffler. It was then hung under the belly of the aircraft. The problem for the rotary is that the exhaust pulse will = pulverize fiberglass (or almost anything else in short time). Again, = the problem is not the heat its the power of the exhaust pulse. Hope that explained it. Ed=20 ----- Original Message -----=20 From: david mccandless=20 To: Rotary motors in aircraft=20 Sent: Wednesday, February 21, 2007 6:44 PM Subject: [FlyRotary] Re: Another exploding cigar?? On 22, Feb , at 6:29 AM, Ed Anderson wrote: Thanks, Jason. My experiments with the Swiss muffler did not work out - Ed=20 Hi Ed, could you explain "Swiss" muffler? TIA, Dave ------=_NextPart_000_000C_01C75662.926A6B20 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable
Glad to help, Allen
 
Here are URLs for the two I = mentioned
 
http://www.spider= automotive.com/huspower2.html
 
 
http:= //www.spintechmufflers.com/spintech/spintechindex.asp
 
Can do a web search for more places to buy the=20 HushpowerII
 
Ed
----- Original Message -----
From:=20 Allen=20 Slominski
Sent: Thursday, February 22, = 2007 8:05=20 AM
Subject: [FlyRotary] Re: = Another=20 exploding cigar??

Ed,
 
Thanks so much for the info.  Since these units actually = have names,=20 I assuming they are for purchase.  Who reps/manufactures these=20 units.
 
Allen Slominski
Houston, TX

Ed Anderson <eanderson@carolina.rr.com&g= t;=20 wrote:
Hi Allen,
 
Yes, the temps get up there a bit.  = Stainless=20 steel is pretty much the standard although heavy gauge mile steel = can work -=20 but generally too heavy for an aircraft.  I think the two = mufflers=20 already mentioned the FlowMaster Hushpower II and the SpinTech are = two that=20 have flown and survived.   I do not now of any specs for = an=20 exhaust system, it would depend a lot on the type of installation=20 involved. 
 
Ed
----- Original Message ----- =
From:=20 Allen Slominski =
To: Rotary motors in = aircraft=20
Sent: Wednesday, February = 21, 2007=20 9:48 PM
Subject: [FlyRotary] Re: = Another=20 exploding cigar??

Ed,
 
I'm a newby to the rotary, but I understand that the temps = are pretty=20 outrageous also.  Somethink like 1700 to 1900 degrees = F.  Does=20 anyone have a spec or detail for exhaust systems?  Mufflers = would be=20 nice also.
 
Allen Slominski
Houston, TX

Ed Anderson <eanderson@carolina.rr.com&g= t;=20 wrote:
Hi Dave.
 
Basically, the Swiss muffler is = attributed to the=20 tough noise abatement rules of the Swiss government for = aircraft=20 - including small GA and experimental.  Tony Bingelis = who=20 wrote a column of "How to" for Sport Aviation for years included = it in=20 one of his books "FireWall Forward"-Page 112.
 
The muffler (as shown in his book) was = an aluminum=20 tube 3 1/8" in diameter about 4 -5 feet long.  A stainless = steel=20 mesh was rolled into a smaller diameter tube to be  = stuck in=20 the middle after  fiberglass cloth = was wrapped=20 around the mesh tube.  This was all stuffed in the 3 = 1/8"=20 aluminum tube making a very light weight and effective=20 muffler.  Sort of a light weight glass-pack=20 muffler.
 
It was then hung under the belly of the=20 aircraft.
 
The problem for the rotary is that the = exhaust=20 pulse will pulverize fiberglass (or almost anything else=20 in short time).  Again, the problem is not the heat = its the=20 power of the exhaust pulse.
 
Hope that explained it.
 

Ed 
----- Original Message ----- =
From:=20 david=20 mccandless
To: Rotary motors in=20 aircraft
Sent: Wednesday, = February 21,=20 2007 6:44 PM
Subject: [FlyRotary] = Re: Another=20 exploding cigar??

On 22, Feb , at 6:29 AM, Ed Anderson wrote:
Thanks, Jason.
My experiments with the Swiss = muffler=20 did not work out -
Ed
H= i=20 Ed,
could you explain "Swiss" muffler?
TIA,=20 = Dave


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