X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from exchange.carey.wa.edu.au ([118.82.44.212] verified) by logan.com (CommuniGate Pro SMTP 5.3.8) with ESMTPS id 4418053 for flyrotary@lancaironline.net; Wed, 04 Aug 2010 02:44:16 -0400 Received-SPF: none receiver=logan.com; client-ip=118.82.44.212; envelope-from=stevei@carey.asn.au Received: from exchange.carey.local ([10.10.0.5]) by exchange.carey.local ([10.10.0.5]) with mapi; Wed, 4 Aug 2010 14:43:35 +0800 From: To: Date: Wed, 4 Aug 2010 14:43:33 +0800 Subject: Re: [FlyRotary] Re: Hushpower failures Thread-Topic: [FlyRotary] Re: Hushpower failures Thread-Index: Acszi/0dr8n37dFhQA6poX0Wy39AxgAFF4yV Message-ID: In-Reply-To: Accept-Language: en-US Content-Language: en X-MS-Has-Attach: X-MS-TNEF-Correlator: acceptlanguage: en-US Content-Type: multipart/alternative; boundary="_000_C87F2D15FA62steveicareyasnau_" MIME-Version: 1.0 --_000_C87F2D15FA62steveicareyasnau_ Content-Type: text/plain; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable 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 Ren= esis and LOVE IT!! Everyone that hears my fly by comments on how quiet th= e plane is. About 10 hours ago I removed the muffler and removed the few p= eices 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 th= e exhaust system. My neighbors tell me it is no louder and the tone of the= exhaust is a little deeper. 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 t= he prop) and is fed by the factory exhaust maifold. This system combined w= ith the split side flange exhaust of the Renesis makes for a very easy to c= ontrol exhaust. As far as Renesis Horsepower goes - I have a Catto 76X88 porp and RD1-C PSR= U on my RV-7A - I pretty well match my neighbor"s RV-7A with a Lycoming 180= engine with dual electronic ignition. The following has been addressed before but I'll repeat it based on my expe= rience. 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 m= ixture. In cruise I use 8 - 9 gph and at 0.6 oz/gal I would burn 213 gall= ons 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 fl= y 213/9 =3D 23.6 hours. My dual fuel pumps are in the cabin, foward of the seats on the floor. I h= ave never had any fuel vapor problems - even in Texas in the summer. Hope this helps some. Dennis Haverlah Has anyone had their hushpower muffler fail, and if so, how did they fail? Thanks, 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 th= e sender immediately and then delete/destroy the e-mail and any printed cop= ies. All liability for viruses is excluded to the fullest extent of the law= . --_000_C87F2D15FA62steveicareyasnau_ Content-Type: text/html; charset="iso-8859-1" Content-Transfer-Encoding: quoted-printable Re: [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" <clouduster@austin.rr.com> wrote:
My Hushpowe= r resonator ( short hushpower) is still going - 250 hours on Renesis and LO= VE 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 a= ny performancy decrease due to blockage as it failed.  Now it is only = an enlarged muffler shell  in the exhaust system.  My neighbors t= ell me it is no louder and the tone of the exhaust is a little deeper.

My 4 inch dia. tangantial pipe (used to turn th= e 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.


As far as Renesis Horsepower goes - I have a Catto 76X88 porp and RD1-C PSR= U on my RV-7A - I pretty well match my neighbor"s RV-7A with a Lycomin= g 180 engine with dual electronic ignition.  
 
 
The following has been addressed before but I'll repeat it based on my e= xperience.
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 co= st figures included I save $200 in fuel cost when I fly 213/9 =3D 23.6 hour= s.
 
My dual fuel pumps are in the cabin, foward of the seats on the floor. &nbs= p;I have never had any fuel vapor problems - even in Texas in the summer. &= nbsp;
 
Hope this helps some.
 
Dennis Haverlah


 
 
 


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



-


The contents of this email a= re 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 t= he sender immediately and then delete/destroy the e-mail and any printed co= pies. All liability for viruses is excluded to the fullest extent of the la= w.
 --_000_C87F2D15FA62steveicareyasnau_--