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Message-ID: <1b4b137c0905172005q2251fc47s30f750dcad57ef13@mail.gmail.com>
Subject: Re: [FlyRotary] Re: 20b Exhaust
From: Tracy Crook <tracy@rotaryaviation.com>
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
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Too soon to say really.  I have not even had time to assemble the builders
log to get ready for the DAR. Lack of engine power is definitely not what is
keeping this thing grounded though : )

Tracy

On Sun, May 17, 2009 at 6:01 PM, George Lendich <lendich@aanet.com.au>wrote:

>  Tracy,
> Any significant back pressure to speak of?
> George (down under)
>
> ----- Original Message -----
> *From:* Tracy Crook <tracy@rotaryaviation.com>
> *To:* Rotary motors in aircraft <flyrotary@lancaironline.net>
> *Sent:* Monday, May 18, 2009 12:11 AM
> *Subject:* [FlyRotary] Re: 20b Exhaust
>
> In general, the bigger the exit pipe, the louder the exhaust will be.  I
> used 2.25" which I think is about the minimum for a 20B.
>
> Tracy
>
> On Sat, May 16, 2009 at 9:28 AM, <jewen@comporium.net> wrote:
>
>> I have fabricated my exhaust manifold/tangential muffler for my 20b.  All
>> I have left is to fit and weld the exhaust pipe.  I would like opinions on
>> the size the exhaust pipe should be.  This is in a pusher application
>> (Velocity) with a relatively short run from the muffler to the exit point.
>>  Similar installation to Al G.
>>
>> Thanks,
>> Joe
>>
>>
>> --
>> Homepage:  http://www.flyrotary.com/
>> Archive and UnSub:
>> http://mail.lancaironline.net:81/lists/flyrotary/List.html
>>
>
>

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Too soon to say really.=A0 I have not even had time to assemble the builder=
s log to get ready for the DAR. Lack of engine power is definitely not what=
 is keeping this thing grounded though : )<br><br>Tracy<br><br><div class=
=3D"gmail_quote">
On Sun, May 17, 2009 at 6:01 PM, George Lendich <span dir=3D"ltr">&lt;<a hr=
ef=3D"mailto:lendich@aanet.com.au">lendich@aanet.com.au</a>&gt;</span> wrot=
e:<br><blockquote class=3D"gmail_quote" style=3D"border-left: 1px solid rgb=
(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">






<div bgcolor=3D"#ffffff">
<div><font size=3D"2" face=3D"Arial">Tracy, </font></div>
<div><font size=3D"2" face=3D"Arial">Any significant back pressure to speak=
=20
of?</font></div>
<div><font size=3D"2" face=3D"Arial">George (down under)</font></div>
<blockquote style=3D"border-left: 2px solid rgb(0, 0, 0); padding-right: 0p=
x; padding-left: 5px; margin-left: 5px; margin-right: 0px;">
  <div style=3D"font-family: arial; font-style: normal; font-variant: norma=
l; font-weight: normal; font-size: 10pt; line-height: normal; font-size-adj=
ust: none; font-stretch: normal;">----- Original Message ----- </div>
  <div style=3D"background: rgb(228, 228, 228) none repeat scroll 0% 0%; -m=
oz-background-clip: -moz-initial; -moz-background-origin: -moz-initial; -mo=
z-background-inline-policy: -moz-initial; font-family: arial; font-style: n=
ormal; font-variant: normal; font-weight: normal; font-size: 10pt; line-hei=
ght: normal; font-size-adjust: none; font-stretch: normal;">
<b>From:</b>=20
  <a title=3D"tracy@rotaryaviation.com" href=3D"mailto:tracy@rotaryaviation=
.com" target=3D"_blank">Tracy=20
  Crook</a> </div>
  <div style=3D"font-family: arial; font-style: normal; font-variant: norma=
l; font-weight: normal; font-size: 10pt; line-height: normal; font-size-adj=
ust: none; font-stretch: normal;"><b>To:</b> <a title=3D"flyrotary@lancairo=
nline.net" href=3D"mailto:flyrotary@lancaironline.net" target=3D"_blank">Ro=
tary motors in aircraft</a> </div>

  <div style=3D"font-family: arial; font-style: normal; font-variant: norma=
l; font-weight: normal; font-size: 10pt; line-height: normal; font-size-adj=
ust: none; font-stretch: normal;"><b>Sent:</b> Monday, May 18, 2009 12:11 A=
M</div>

  <div style=3D"font-family: arial; font-style: normal; font-variant: norma=
l; font-weight: normal; font-size: 10pt; line-height: normal; font-size-adj=
ust: none; font-stretch: normal;"><b>Subject:</b> [FlyRotary] Re: 20b=20
Exhaust</div>
  <div><br></div>In general, the bigger the exit pipe, the louder the exhau=
st=20
  will be.=A0 I used 2.25&quot; which I think is about the minimum for a=20
  20B.<br><br>Tracy<br><br>
  <div class=3D"gmail_quote">On Sat, May 16, 2009 at 9:28 AM, <span dir=3D"=
ltr">&lt;<a href=3D"mailto:jewen@comporium.net" target=3D"_blank">jewen@com=
porium.net</a>&gt;</span>=20
wrote:<br>
  <blockquote class=3D"gmail_quote" style=3D"border-left: 1px solid rgb(204=
, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">I=20
    have fabricated my exhaust manifold/tangential muffler for my 20b. =A0A=
ll=20
    I have left is to fit and weld the exhaust pipe. =A0I would like opinio=
ns=20
    on the size the exhaust pipe should be. =A0This is in a pusher=20
    application (Velocity) with a relatively short run from the muffler to =
the=20
    exit point. =A0Similar installation to Al=20
    G.<br><br>Thanks,<br>Joe<br><font color=3D"#888888"><br><br>--<br>Homep=
age:=20
    =A0<a href=3D"http://www.flyrotary.com/" target=3D"_blank">http://www.f=
lyrotary.com/</a><br>Archive and UnSub: =A0 <a href=3D"http://mail.lancairo=
nline.net:81/lists/flyrotary/List.html" target=3D"_blank">http://mail.lanca=
ironline.net:81/lists/flyrotary/List.html</a><br>
</font></blockquote></div><br></blockquote></div>
</blockquote></div><br>

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