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From: "Andrew Martin andrew@martinag.com.au" <flyrotary@lancaironline.net>
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Date: Tue, 19 Nov 2019 13:36:23 +0800
Message-ID: <CAJxaVD3NJVNA7LBye16WV792vsyMtB5p84KiqbeeVYk-Cq+gRQ@mail.gmail.com>
Subject: Re: [FlyRotary] Re: Mufflers
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
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Kelly, I would if I had some, really did not expect it to work as I
deviated from the design a bit. Will be back at airport on weekend to take
photo, too late for construction photo. But nothing to it.

I read about the idea by Gary Schwarz in this thread
<https://www.homebuiltairplanes.com/forums/threads/quiet-flight.6560/>,
post #7 , post #58 for his testing and post #142 sums up his findings.
Someone on here may know him as he was doing it for a rotary. Mine is much
shorter than his drawing below due to space constraints but the theory
works.
edit: Ahh!!! deleted his picture as too big to post. it is in his post #7
mentioned above though.
Andrew

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<div dir=3D"ltr"><br><div class=3D"gmail_quote"><div dir=3D"ltr"><div class=
=3D"gmail_quote"><div dir=3D"ltr"><div dir=3D"auto">Kelly, I would if I had=
 some, really did not expect it to work as I deviated from the design a bit=
. Will be back at airport on weekend to take photo, too late for constructi=
on photo. But nothing to it.<div dir=3D"auto"><br><div dir=3D"auto">I read =
about the idea by Gary Schwarz in this <a href=3D"https://www.homebuiltairp=
lanes.com/forums/threads/quiet-flight.6560/" target=3D"_blank">thread</a>, =
post #7 , post #58 for his testing and post #142 sums up his findings.<br><=
/div><div dir=3D"auto">Someone on here may know him as he was doing it for =
a rotary. Mine is much shorter than his drawing below due to space constrai=
nts but the theory works. <br></div><div dir=3D"auto"><div>edit: Ahh!!! del=
eted his picture as too big to post. it is in his post #7 mentioned above t=
hough.</div><div>Andrew<br></div></div></div></div></div><div class=3D"gmai=
l_quote"><br></div>
</div></div>
</div></div>

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