Just some feedback from a piston guy.
I have been running those mufflers since the first start of my motor. My application is probably not as harsh on mufflers as the rotary but, I built a pretty stout V-8 using thermal barrier coatings on the pistons tops, combustion chambers and exhaust ports and I routinely set the EGT limit on take off at around 1700 f. My probe is in the collector and a foot or so from the muffler so it does live a rough life. They are looking damn good for coming up on 400 hours of extreme abuse.

Ben Haas
www.haaspowerair.com



 
> To: flyrotary@lancaironline.net
> From: glasair2@me.com
> Date: Fri, 9 Jul 2010 06:15:26 -0700
> Subject: [FlyRotary] Mufflers
>
> I remember some discussion a while back regarding the concept of the
> Moroso spin muffler. See:
>
> http://moroso.com/catalog/categorydisplay.asp?CatCode=35054
>
> Anyone out there still using it? What were the conclusions of those
> who tried it? I know someone made one from scratch. I have a small
> Burns Stainless muffler that is totally inadequate in terms of sound
> attenuation. So, I'm looking for alternatives and remember a lot of
> discussion regarding this device.
>
>
> Steve Thomas
> ________________________________________________________________________
>
>
>
>
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> Homepage: http://www.flyrotary.com/
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