X-Virus-Scanned: clean according to Sophos on Logan.com X-SpamCatcher-Score: 2 [X] Return-Path: Received: from ms-smtp-04.southeast.rr.com ([24.25.9.103] verified) by logan.com (CommuniGate Pro SMTP 5.1.7) with ESMTP id 1920913 for flyrotary@lancaironline.net; Wed, 14 Mar 2007 13:30:50 -0400 Received-SPF: pass receiver=logan.com; client-ip=24.25.9.103; 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-04.southeast.rr.com (8.13.6/8.13.6) with SMTP id l2EHTnQO014568 for ; Wed, 14 Mar 2007 13:29:50 -0400 (EDT) Message-ID: <000b01c7665e$656d2840$2402a8c0@edward2> From: "Ed Anderson" To: "Rotary motors in aircraft" References: Subject: Re: [FlyRotary] Re: HushPower Mufflers Date: Wed, 14 Mar 2007 13:30:01 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0008_01C7663C.DE0CF310" 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_0008_01C7663C.DE0CF310 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable MessageYes, Rusty, I am. However, the $400 or so that it would cost me = based on local estimates I've obtained, I decided to wait for a less = expensive approach. In the meantime, given that the price on the = HushPowers have come down, I decided to get two and simply hang them of = my two headers for the present. If I later go to one exhaust, I'll just have a spare {:>) Ed ----- Original Message -----=20 From: Russell Duffy=20 To: Rotary motors in aircraft=20 Sent: Wednesday, March 14, 2007 11:36 AM Subject: [FlyRotary] Re: HushPower Mufflers Looks like there will probably be a net weight reduction of approx 1 = lb. But the sound reduction should be much higher {:>).=20 Hi Ed, Sorry if I missed this (been kinda skimming the posts recently), but = are you planning to make a more conventional system using just one one = muffler? If so, I won't be surprised if you don't end up making more = power, AND getting quieter exhaust. What will Ron have to complain = about then :-) =20 By the way, I see you must have access to the resonator - did you ever = try just the resonator by itself as a muffler? I bought the resonator when someone else (sorry, can't recall who) = mentioned it on the list. I thought it might be at least enough of a = muffler to work for the single rotor, and it's clearly lighter. My plan = is to try it and see how it sounds. I still have the muffler set up to = use on the single rotor, so perhaps I could get a comparison between the = two. This is just another good reason to run the single rotor on a test = stand for a while, to sort these things out.=20 Rusty (retrieved the Dominator on a long road trip yesterday)=20 ------=_NextPart_000_0008_01C7663C.DE0CF310 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Message
Yes, Rusty, I am.  However, the $400 or so = that it=20 would cost me based on local estimates I've obtained, I decided to wait = for a=20 less expensive approach.  In the meantime, given that the price on = the=20 HushPowers have come down, I decided to get two and simply hang them of = my two=20 headers for the present.
 
If I later go to one exhaust, I'll just have a = spare=20 {:>)
 
Ed
----- Original Message -----
From:=20 Russell=20 Duffy
Sent: Wednesday, March 14, 2007 = 11:36=20 AM
Subject: [FlyRotary] Re: = HushPower=20 Mufflers

Looks like there will probably be a net weight = reduction=20 of approx 1 lb.  But the sound reduction should be much higher=20 {:>). 
 
Hi=20 Ed,
 
Sorry=20 if I missed this (been kinda skimming the posts recently), but are you = planning to make a more conventional system using just one one=20 muffler?  If so, I won't be surprised if you don't end up = making=20 more power, AND getting quieter exhaust.  What will Ron have = to=20 complain about then :-)   
 
By the way, I see you must have access to the = resonator=20 - did you ever try just the resonator by itself as a = muffler?
 
I bought=20 the resonator when someone else (sorry, can't recall who) = mentioned it on=20 the list.  I thought it might be at least enough of a muffler to = work for=20 the single rotor, and it's clearly lighter.  My plan is to try it = and see=20 how it sounds.  I still have the muffler set up to use on = the single=20 rotor, so perhaps I could get a comparison between the = two.  This is=20 just another good reason to run the single rotor on a test = stand for=20 a while, to sort these things out. 
 
Rusty=20 (retrieved the Dominator on a long road trip=20 yesterday) 
 
 
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