Mailing List flyrotary@lancaironline.net Message #29213
From: Ernest Christley <echristley@nc.rr.com>
Subject: Re: [FlyRotary] Re: Cool Tube Muffler Sound Readings
Date: Thu, 12 Jan 2006 11:46:02 -0500
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Russell Duffy wrote:

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)

Bet they wouldn't.  They tend to get real quiet at those RPMs. 8*)

--
        ,|"|"|,                                    |
----===<{{(oQo)}}>===----        Dyke Delta         |
       o|  d  |o          www.ernest.isa-geek.org  |
Subscribe (FEED) Subscribe (DIGEST) Subscribe (INDEX) Unsubscribe Mail to Listmaster