X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from hrndva-omtalb.mail.rr.com ([71.74.56.124] verified) by logan.com (CommuniGate Pro SMTP 5.3.8) with ESMTP id 4419028 for flyrotary@lancaironline.net; Wed, 04 Aug 2010 17:49:03 -0400 Received-SPF: pass receiver=logan.com; client-ip=71.74.56.124; envelope-from=clouduster@austin.rr.com Return-Path: X-Authority-Analysis: v=1.1 cv=6Y8H/nL8L93N+XbmwlK57FdrlxW9D5uKLQCRlCnhMcQ= c=1 sm=0 a=PFjIftNzJ_MA:10 a=BOf1DvMWru6y9C8B/8ZwLA==:17 a=ayC55rCoAAAA:8 a=PxlRRgs_p3AiMwlSWBkA:9 a=VAL7zEpBIgt0OlP7hSAA:7 a=NtaNjzy1GCi8NwF4ro2Rd8V46CMA:4 a=wPNLvfGTeEIA:10 a=9l2gDnlZgM94qhoC:21 a=jjePW9sjz6ikCfhZ:21 a=Ia-xEzejAAAA:8 a=suH0dsCPBkJvCqdGoIUA:9 a=YJQL1V_HsBJAPX5ga7EA:7 a=11HSCF-vOdTCQGuFDaS1aARzVqgA:4 a=EzXvWhQp4_cA:10 a=nRsig7syXa48EhAO:21 a=EWCfo9VKbmtVuIRl:21 a=BOf1DvMWru6y9C8B/8ZwLA==:117 X-Cloudmark-Score: 0 X-Originating-IP: 66.25.152.22 Received: from [66.25.152.22] ([66.25.152.22:63771] helo=DWHPC) by hrndva-oedge02.mail.rr.com (envelope-from ) (ecelerity 2.2.2.39 r()) with ESMTP id DC/F6-04805-C20E95C4; Wed, 04 Aug 2010 21:48:29 +0000 Message-ID: From: "Dennis Havarlah" To: "Rotary motors in aircraft" References: In-Reply-To: Subject: Re: [FlyRotary] Re: Hushpower failures Date: Wed, 4 Aug 2010 16:48:23 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_022B_01CB33F4.DA083980" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Windows Mail 6.0.6002.18197 X-MimeOLE: Produced By Microsoft MimeOLE V6.0.6002.18197 This is a multi-part message in MIME format. ------=_NextPart_000_022B_01CB33F4.DA083980 Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Re: [FlyRotary] Re: Hushpower failuresSteve -=20 My pictures are on another computer and not easily retrieved currently. = The Van's RVaitor news letter had an article and good pictures. Go to = Van's web site and look at page 9 - 11 of the first issue in 2010. The = top left picture on page 10 shows the exhaust system and my original = intake. The top right picture is the new intake manifold I installed in = 2009. Dennis H. ----- Original Message -----=20 From: stevei@carey.asn.au=20 To: Rotary motors in aircraft=20 Sent: Wednesday, August 04, 2010 1:43 AM Subject: [FlyRotary] Re: Hushpower failures Dennis, do you have photos of your setup, particularly of your intake? Cheers Steve Izett Building Glasair SII RG Renesis 4 Port RD1-C EC2 EM3 On 4/08/10 12:16 PM, "Dennis Havarlah" = wrote: My Hushpower resonator ( short hushpower) is still going - 250 hours = on Renesis and LOVE IT!! Everyone that hears my fly by comments on how = quiet the plane is. About 10 hours ago I removed the muffler and = removed the few peices of the baffle still inside. I never saw any = performancy decrease due to blockage as it failed. Now it is only an = enlarged muffler shell in the exhaust system. My neighbors tell me it = is no louder and the tone of the exhaust is a little deeper.=20 My 4 inch dia. tangantial pipe (used to turn the exhaust 180 deg.) = is still doing fine with no signs of any failure. This is located = foward (toward the prop) and is fed by the factory exhaust maifold. = This system combined with the split side flange exhaust of the Renesis = makes for a very easy to control exhaust.=20 As far as Renesis Horsepower goes - I have a Catto 76X88 porp and = RD1-C PSRU on my RV-7A - I pretty well match my neighbor"s RV-7A with a = Lycoming 180 engine with dual electronic ignition. =20 =20 =20 The following has been addressed before but I'll repeat it based on = my experience. I use 0.5 to 0.7 oz of WalMart outboard oil and Marvel mixed half = and half per gallon of regular grade Mogas. Cost is about $12.00/gal = for the oil mixture. In cruise I use 8 - 9 gph and at 0.6 oz/gal I = would burn 213 gallons of Mogas for each gallon of oil. Mogas is about = $1.00 cheaper than 100 LL. With the oil cost figures included I save = $200 in fuel cost when I fly 213/9 =3D 23.6 hours.=20 =20 My dual fuel pumps are in the cabin, foward of the seats on the = floor. I have never had any fuel vapor problems - even in Texas in the = summer. =20 =20 Hope this helps some. =20 Dennis Haverlah =20 =20 =20 =20 Has anyone had their hushpower muffler fail, and if so, how did = they fail? =20 =20 =20 Thanks, =20 Brian Trubee - -------------------------------------------------------------------------= ----- The contents of this email are confidential and intended only for the = named recipients of this e-mail. If you have received this e-mail in = error, you are hereby notified that any use, reproduction, disclosure or = distribution or the information contained in this e-mail is prohibited. = Please notify the sender immediately and then delete/destroy the e-mail = and any printed copies. All liability for viruses is excluded to the = fullest extent of the law. ------=_NextPart_000_022B_01CB33F4.DA083980 Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Re: [FlyRotary] Re: Hushpower failures
Steve -
My pictures are on another computer and = not easily=20 retrieved currently.  The Van's RVaitor news letter had an article = and good=20 pictures.  Go to Van's web site and look at page 9 - 11 of the = first issue=20 in 2010.  The top left picture on page 10 shows the exhaust system = and my=20 original intake.  The top right picture is the new intake manifold = I=20 installed in 2009.
 
Dennis H.
----- Original Message -----
From:=20 stevei@carey.asn.au
Sent: Wednesday, August 04, = 2010 1:43=20 AM
Subject: [FlyRotary] Re: = Hushpower=20 failures

Dennis, do you have photos of your setup, = particularly=20 of your intake?
Cheers

Steve Izett
Building Glasair SII = RG=20 Renesis 4 Port RD1-C EC2 EM3


On 4/08/10 12:16 PM, "Dennis = Havarlah"=20 <clouduster@austin.rr.com>= =20 wrote:
My = Hushpower=20 resonator ( short hushpower) is still going - 250 hours on Renesis = and LOVE=20 IT!!   Everyone that hears my fly by comments on how quiet = the=20 plane is.  About 10 hours ago I removed the muffler and removed = the few=20 peices of the baffle still inside.  I never saw any performancy = decrease due to blockage as it failed.  Now it is only an = enlarged=20 muffler shell  in the exhaust system.  My neighbors tell = me it is=20 no louder and the tone of the exhaust is a little deeper. =

My 4=20 inch dia. tangantial pipe (used to turn the exhaust 180 deg.) is = still doing=20 fine with no signs of any failure.  This is located foward = (toward the=20 prop) and is fed by the factory exhaust maifold.  This system = combined=20 with the split side flange exhaust of the Renesis makes for a very = easy to=20 control exhaust.


As=20 far as Renesis Horsepower goes - I have a Catto 76X88 porp and RD1-C = PSRU on=20 my RV-7A - I pretty well match my neighbor"s RV-7A with a Lycoming = 180=20 engine with dual electronic ignition. =  
 
 
The=20 following has been addressed before but I'll repeat it based on my=20 experience.
I use 0.5 to 0.7 oz of WalMart outboard oil and = Marvel=20 mixed half and half  per gallon of regular grade Mogas. =  Cost is=20 about $12.00/gal for the oil mixture.   In cruise I use 8 = - 9 gph=20 and at 0.6 oz/gal I would burn 213 gallons of Mogas for each gallon = of oil.=20  Mogas is about $1.00 cheaper than 100 LL.  With the oil = cost=20 figures included I save $200 in fuel cost when I fly 213/9 =3D 23.6 = hours.=20
 
My dual fuel pumps are in the cabin, foward of the = seats on=20 the floor.  I have never had any fuel vapor problems - even in = Texas in=20 the summer.  
 
Hope this helps = some.
 
Dennis=20 Haverlah


 
 
 


 
Has=20 anyone had their hushpower muffler fail, and if so, how did they = =  fail?
 
 
 
Thanks,
 
Brian=20 Trubee



-


The contents of this email = are confidential=20 and intended only for the named recipients of this e-mail. If you have = received this e-mail in error, you are hereby notified that any use,=20 reproduction, disclosure or distribution or the information contained = in this=20 e-mail is prohibited. Please notify the sender immediately and then=20 delete/destroy the e-mail and any printed copies. All liability for = viruses is=20 excluded to the fullest extent of the = law.
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