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Date: Sat, 8 Dec 2012 16:10:33 -0500
Message-ID: <CAA9qwZv2DUgPcD86mO1zvP+MNhEjgSeunnC3HSd5j76e2VXWeQ@mail.gmail.com>
Subject: Re: Aero Turbine Muffler test
From: Tracy <rwstracy@gmail.com>
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
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>
>  Two flight tests totaling 3.5 hours so far on the Aero Turbine muffler
(XL version with resonator built in) on the 20B powered RV-8.   Best
muffler tested so far.  Quieter than even the Spintech which was the
previous best.  The irritating high frequencies are virtually eliminated
from the exhaust.   No noticeable increase in drag.  No increase in power
or fuel economy either in spite of claims printed on the box.  The
beautiful polished 304 stainless finish disappears pretty quick with the
rotaries hot exhaust.  If the muffling performance holds up I'll be very
satisfied.  At $79.00 it's a bargain.

Tracy

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<font face=3D"Times New Roman" size=3D"3"><span style=3D"font-size:12.0pt">=
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</blockquote></div>Two flight tests totaling 3.5 hours so far on the Aero T=
urbine muffler (XL version with resonator built in) on the 20B powered RV-8=
.=A0=A0 Best muffler tested so far.=A0 Quieter than even the Spintech which=
 was the previous best.=A0 The irritating high frequencies are virtually el=
iminated from the exhaust. =A0 No noticeable increase in drag.=A0 No increa=
se in power or fuel economy either in spite of claims printed on the box.=
=A0 The beautiful polished 304 stainless finish disappears pretty quick wit=
h the rotaries hot exhaust.=A0 If the muffling performance holds up I&#39;l=
l be very satisfied.=A0 At $79.00 it&#39;s a bargain.<br>
<br>Tracy<br>

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