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Quiet exhaust for IO-390/IO-390?

 
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Chris In Marshfield



Joined: 26 May 2006
Posts: 87

PostPosted: Thu Jul 13, 2006 7:51 am    Post subject: Quiet exhaust for IO-390/IO-390? Reply with quote

Hi all,

Doing some research for a potential project and I'm looking for some information regarding aircraft exhausts. I live in a small community with an airport right in the middle of it, and would like to be a good neighbor and stay as quiet as I can.

Are there any manufacturers that specialize in ultra-quiet exhaust systems for aircraft that don't really hang down into the airstream too much? I've seen a couple of exhausts that folks have fashioned that are said to be very quiet ("Swedish Exhaust" if you were to do a web search on it), but I'd like to see if there is an option that kept it all under the cowl if I can.

Thanks for any information you can provide.

Best regards,
Chris


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Chris Owens
Waunakee, WI
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archie97(at)earthlink.net
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PostPosted: Thu Jul 13, 2006 3:00 pm    Post subject: Quiet exhaust for IO-390/IO-390? Reply with quote

Forsling Aviation has Piccolo tubes (abt 6" long), that can be added to the
tips of conventional exhaust which help reduce noise.

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rv8ch



Joined: 10 Jan 2006
Posts: 250
Location: Switzerland

PostPosted: Fri Jul 14, 2006 1:40 am    Post subject: Re: Quiet exhaust for IO-390/IO-390? Reply with quote

Here is a short article I wrote about mufflers.

http://www.rv8.ch/article.php/20060714111058432

If you would like more pictures of the "Swiss muffler" I'll be happy to get some for you.


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Mickey Coggins
http://www.rv8.ch/
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Chris In Marshfield



Joined: 26 May 2006
Posts: 87

PostPosted: Fri Jul 14, 2006 6:47 am    Post subject: Re: Quiet exhaust for IO-390/IO-390? Reply with quote

Thanks Mickey,

I've read the article about the Swiss muffler several times in the past. It's a unique idea, and it sounds like it works fabulously. Thanks for the link to the other silencer. I'll have to take some time and translate the content into English so I can read about it. It's intriguing because it looks like it fits competely beneath the cowl.

Appreciate the tip and the article! Feel free to pass along some of the photos you described as well. I can be reached at cowens (at) cnw (dot) com.

Many thanks,
Chris


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Chris Owens
Waunakee, WI
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Chris In Marshfield



Joined: 26 May 2006
Posts: 87

PostPosted: Fri Jul 14, 2006 9:32 am    Post subject: Re: Quiet exhaust for IO-390/IO-390? Reply with quote

Babelfish at AltaVista... What a wonderful tool Smile

Came in mighty handy for that German-to-English translation!

Thanks for the link Smile

Best regards,
Chris


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Chris Owens
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