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From: "Michael Silvius" <silvius@gwi.net>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
References: <list-3415013@logan.com>
Subject: Re: [FlyRotary] Re: muffler design
Date: Wed, 7 Jan 2009 14:12:35 -0500
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Which leads me to ask, has anyone made a similar exhaust manifold as the
original but not quite as heavy?

Michael snowed in in Maine


----- Original Message ----- 
From: "Charlie England" <ceengland@bellsouth.net>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Sent: Wednesday, January 07, 2009 1:09 PM
Subject: [FlyRotary] Re: muffler design


> I hope this attachment works.
>
> It's an email from the late Paul Conner with images of his 'muffler' on
> his SQ2000. If you factor in 'goodness' as part of the quiet equation,
> Paul had it all over anything else I've heard in over 10 years of
> watching (& hearing) rotary powered a/c except Dennis Haverlah, & he
> cheats by using a Renesis. While his plane wasn't silent, it wasn't any
> louder than a typical Lyc and it was much more pleasing to listen to
> than a 4cyl Lyc (& quite a bit more pleasant than the 2stroke-like bark
> of a typical rotary. It really sounded like a healthy automotive V-8.
>
> It's also pretty hard to beat for simplicity and even weight. Obviously
> cost a little HP, but real tuned headers + an equal performance muffler
> would weigh several times as much & just might drive the HP back to
> Paul's configuration. Run the HP vs weight gain vs money numbers....
>
> Charlie