Mailing List flyrotary@lancaironline.net Message #29211
From: Russell Duffy <russell.duffy@gmail.com>
Subject: RE: [FlyRotary] Re: Cool Tube Muffler Sound Readings
Date: Thu, 12 Jan 2006 10:33:55 -0600
To: 'Rotary motors in aircraft' <flyrotary@lancaironline.net>
Message

I would like to take some readings from a certified engine for
comparison.   I measured 104db at 3000 & 4000 rpm from my spiral flow
muffler. 

 
I'd bet the average Lycoming would make a lot more noise at 3000-4000 rpm :-)
 
Rusty (free from in-laws until Monday)



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