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Date: Fri, 10 Jul 2009 05:11:52 -0500
Message-ID: <5cf132c0907100311u21fc44c7o96c1f5f43955b795@mail.gmail.com>
Subject: Re: [FlyRotary] Flowmaster Hushpower Report
From: Mark Steitle <msteitle@gmail.com>
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
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Dave,

I am running a DNA muffler and after about 25 hours, it is going strong and
the results look very promising.  They advertise that it is good for
1,000hp.  I figured that might just be strong enough to survive on my
3-rotor.  Since you're running a turbo, the Moroso might work out.  Let us
know how long it lasts.

Mark S.

On Thu, Jul 9, 2009 at 9:38 PM, David Leonard <wdleonard@gmail.com> wrote:

> For the last couple hundred hours I have been using a Flowmaster Hushpower
> II muffler.  Also used by Tracy and some others I think.  It is done.  The
> outside held up wery well, but I reciently removed it and discovered that
> the insides have entirely disientigrated.  Whatever they used as packing has
> turned to a heavy clay-like substance ratteling around in the bottom.  She
> steel mesh is in pieces.  I had been thinking that the plane was not as
> quiet as it seemed 2 years ago..  go figure.
>
> So I was thinking about one of the DNA Mufflers someone mentioned.  They
> seemed nice because there is no packing, just steel dividers.
> Unfortunately, it is a little to big around to fit in my current set
> up.   Instead, I ordered this muffler that also has steel innards but no
> packing:
> http://www.moroso.com/catalog/categorydisplay.asp?catcode=35054
>
> It is nice because it is going to be smaller and lighter than the
> flowmaster (or the DNA), as well as less expensive - even the SS version
> that I ordered.
>
> Will report back in 2 years on its performance  :-)
>
> --
> David Leonard
>
> Turbo Rotary RV-6 N4VY
> http://N4VY.RotaryRoster.net <http://n4vy.rotaryroster.net/>
> http://RotaryRoster.net <http://rotaryroster.net/>
>

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<div>Dave,</div>
<div>=A0</div>
<div>I am running a DNA muffler and after about 25 hours, it is going stron=
g and the results look very promising.=A0 They advertise that it is good fo=
r 1,000hp.=A0 I figured that might just be strong enough to survive on my 3=
-rotor.=A0 Since you&#39;re running a turbo, the Moroso might work out.=A0 =
Let us know how long it lasts.=A0 </div>

<div>=A0</div>
<div>Mark S.<br><br></div>
<div class=3D"gmail_quote">On Thu, Jul 9, 2009 at 9:38 PM, David Leonard <s=
pan dir=3D"ltr">&lt;<a href=3D"mailto:wdleonard@gmail.com">wdleonard@gmail.=
com</a>&gt;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"PADDING-LEFT: 1ex; MARGIN: 0px 0=
px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">
<div>For the last couple hundred hours I have been using a Flowmaster Hushp=
ower II muffler.=A0 Also used by Tracy and some others I think.=A0 It is do=
ne.=A0 The outside held up wery well, but I reciently removed it and discov=
ered that the insides have entirely disientigrated.=A0 Whatever they used a=
s packing=A0has turned to a heavy clay-like substance ratteling around in t=
he bottom.=A0=A0She steel mesh is in pieces.=A0 I had been thinking that th=
e plane was not as quiet as it seemed 2 years ago..=A0 go figure.</div>

<div>=A0</div>
<div>So I was thinking about one of the DNA Mufflers someone mentioned.=A0 =
They seemed nice because there is no packing,=A0just steel dividers.=A0 Unf=
ortunately, it is a little to big around to fit in my current set up.=A0=A0=
=A0Instead, I ordered this muffler that also has steel innards but no packi=
ng:</div>

<div><a href=3D"http://www.moroso.com/catalog/categorydisplay.asp?catcode=
=3D35054" target=3D"_blank">http://www.moroso.com/catalog/categorydisplay.a=
sp?catcode=3D35054</a></div>
<div>=A0</div>
<div>It is nice because it is going to be smaller and lighter than the flow=
master (or the DNA), as well as less expensive - even the SS version that I=
 ordered.</div>
<div>=A0</div>
<div>Will report back in 2 years=A0on its performance=A0 :-)<br clear=3D"al=
l"></div><font color=3D"#888888">
<div></div><br>-- <br>David Leonard<br><br>Turbo Rotary RV-6 N4VY<br><a hre=
f=3D"http://n4vy.rotaryroster.net/" target=3D"_blank">http://N4VY.RotaryRos=
ter.net</a><br><a href=3D"http://rotaryroster.net/" target=3D"_blank">http:=
//RotaryRoster.net</a><br>
</font></blockquote></div><br>

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