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Message-ID: <5cf132c0901051116r7a59b40dj6bd8a1b90cae01c9@mail.gmail.com>
Date: Mon, 5 Jan 2009 13:16:08 -0600
From: "Mark Steitle" <msteitle@gmail.com>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] Re: 20B install issues overcome
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Ernest,

That's very interesting... I may need to study this more carefully when I
have some time to really concentrate.  Do you know of anyone that has
actually built a muffler utilizing this technique?  How did it work out?
Any drawings/sketches/pictures?

Mark

On Mon, Jan 5, 2009 at 12:57 PM, Ernest Christley <echristley@nc.rr.com>wrote:

> wrjjrs@aol.com wrote:
>
>> Mark,
>> Take a look at the newest Mistral pictures. They are using a tangental
>> with a "cool tube" something that I drew several years ago for PL's site.
>> They use a large down pipe with a annular exit around the tube. If you are
>> doing something new it is worth a look. Material is 321 I think.
>> Bill Jepson
>>
> Does anyone else get "Make" magazine?  One of the things I want to try is
> creating a phononic band-gap filter.  I'm not sure of all the details, but
> it I think a tangential entry to an array of 3/8" stainless cool tubes, with
> a large central rear exit.  Do a google search for "phononic band-gap" if
> you don't know what that is.
>
> --
> Homepage:  http://www.flyrotary.com/
> Archive and UnSub:
> http://mail.lancaironline.net:81/lists/flyrotary/List.html
>

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<div>Ernest, </div>
<div>&nbsp;</div>
<div>That&#39;s very interesting... I may need to study this more carefully when I have some time to really concentrate.&nbsp; Do you know of anyone that has actually built a muffler utilizing this technique?&nbsp; How did it work out?&nbsp; Any drawings/sketches/pictures? </div>

<div>&nbsp;</div>
<div>Mark<br><br></div>
<div class="gmail_quote">On Mon, Jan 5, 2009 at 12:57 PM, Ernest Christley <span dir="ltr">&lt;<a href="mailto:echristley@nc.rr.com">echristley@nc.rr.com</a>&gt;</span> wrote:<br>
<blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid"><a href="mailto:wrjjrs@aol.com" target="_blank">wrjjrs@aol.com</a> wrote:<br>
<blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">Mark,<br>Take a look at the newest Mistral pictures. They are using a tangental with a &quot;cool tube&quot; something that I drew several years ago for PL&#39;s site. They use a large down pipe with a annular exit around the tube. If you are doing something new it is worth a look. Material is 321 I think.<br>
Bill Jepson<br></blockquote>Does anyone else get &quot;Make&quot; magazine? &nbsp;One of the things I want to try is creating a phononic band-gap filter. &nbsp;I&#39;m not sure of all the details, but it I think a tangential entry to an array of 3/8&quot; stainless cool tubes, with a large central rear exit. &nbsp;Do a google search for &quot;phononic band-gap&quot; if you don&#39;t know what that is.<br>
<font color="#888888"><br>--<br>Homepage: &nbsp;<a href="http://www.flyrotary.com/" target="_blank">http://www.flyrotary.com/</a><br>Archive and UnSub: &nbsp; <a href="http://mail.lancaironline.net:81/lists/flyrotary/List.html" target="_blank">http://mail.lancaironline.net:81/lists/flyrotary/List.html</a><br>
</font></blockquote></div><br>

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