Mailing List flyrotary@lancaironline.net Message #54562
From: Steve Thomas <glasair2@me.com>
Subject: Burns Stainless Muffler Failure
Date: Tue, 19 Apr 2011 16:24:20 -0700
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
I just did an inspection of my muffler and found that it was basically coming apart inside.  This is a Burns Stainless, 17" 2-Stage muffler after 50 hours of flying behind a 2-rotor engine.  Now, it could be that 50 hours is a reasonable life for something like this, I don't know.  But, it certainly confirms the stories of muffler disintegration.  I've inspected this muffler several times over the last 50 hours, but this is the first time that I've seen damage.  But, when it comes apart, it really comes apart.  It is unfortunate, as the muffler was really effective in reducing the noise and was light-weight.  Best Regards,

Steve Thomas

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