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Subject: Re: [LML] IV-P TSIO550 Plenum
From: Don Karich <donkarich@gmail.com>
X-Original-To: Lancair Mailing List <lml@lancaironline.net>
Content-Type: multipart/related; boundary=089e0158c2ac56c6b304de4a0dd2

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On mine i did the layup on the inside of the Cowling, lowered it enough to
make sure it wouldn't touch during flight, then fabricated vertical pieces
that attach to engine, laid up  a 90 degree corner to mount the plenum . I
cute a hole in plenum and fabricated a door collocated
On Jun 3, 2013 2:10 PM, "Bob Rickard" <r.rickard@rcginc-us.com> wrote:

> Gents - a couple of questions regarding plenum design (IV-P/TSIO 550
> specific)
>
> 1.  What do you do about the oil door on top of the cowl?
>
> 2.  Is it better to have absolute min volume around the engine, or is it
> ok to mold to the cowl for the upper sides?
>
> 3. What do you do for airflow on the pilots side where the 3rd intercoole=
r
> is?
>
> I'm definitely sold on the plenum idea and have a great carbon man here i=
n
> STL.  Just need to figure out those specifics to get designing=85..
>
>
> Thanks
>
> Bob R
> IV-P
>
>
> On May 25, 2013, at 12:51 PM, Paul Miller <pjdmiller@gmail.com> wrote:
>
> Tom, I looked at your plenum page
>
> http://www.n54sg.com/baffle-kit-diffusers-and-plenum/
>
> where you place the poster board over the engine for a mold shape.  I was
> thinking how easy that could be on the IO550 even if it didn't do all the
> fancy work up front with diffusers and so forth.  Such a simple piece mig=
ht
> seal the back, two sides for perhaps 75% positive seal.  It would get rid
> of a lot of silicone strips with (what appears to be) reasonable effort.
>  Great idea.
>
> Paul
> Legacy
> On 2013-05-24, at 1:57 PM, Tom McNerney <dudewanarace@yahoo.com> wrote:
>
> A lot is possible.  Could be gear actuator, could be a door actuator,
> could be the dump valve, etc.
>
>
>
>
> Bob Rickard
> President, Rickard Consulting Group, Inc.
> r.rickard@rcginc-us.com
>
>
>
>

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<p>On mine i did the layup on the inside of the Cowling, lowered it enough =
to make sure it wouldn&#39;t touch during flight, then fabricated vertical =
pieces that attach to engine, laid up=A0 a 90 degree corner to mount the pl=
enum . I cute a hole in plenum and fabricated a door collocated</p>

<div class=3D"gmail_quote">On Jun 3, 2013 2:10 PM, &quot;Bob Rickard&quot; =
&lt;<a href=3D"mailto:r.rickard@rcginc-us.com">r.rickard@rcginc-us.com</a>&=
gt; wrote:<br type=3D"attribution"><blockquote class=3D"gmail_quote" style=
=3D"margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex">
<div style=3D"word-wrap:break-word">Gents - a couple of questions regarding=
 plenum design (IV-P/TSIO 550 specific)<div><br></div><div>1. =A0What do yo=
u do about the oil door on top of the cowl? =A0</div><div><br></div><div>2.=
 =A0Is it better to have absolute min volume around the engine, or is it ok=
 to mold to the cowl for the upper sides?</div>
<div><br></div><div>3. What do you do for airflow on the pilots side where =
the 3rd intercooler is?</div><div><br></div><div>I&#39;m definitely sold on=
 the plenum idea and have a great carbon man here in STL. =A0Just need to f=
igure out those specifics to get designing=85..</div>
<div><br></div><div><br></div><div>Thanks</div><div><br></div><div>Bob R</d=
iv><div>IV-P</div><div><br></div><div><br><div><div>On May 25, 2013, at 12:=
51 PM, Paul Miller &lt;<a href=3D"mailto:pjdmiller@gmail.com" target=3D"_bl=
ank">pjdmiller@gmail.com</a>&gt; wrote:</div>
<br><blockquote type=3D"cite"><div style=3D"word-wrap:break-word">Tom, I lo=
oked at your plenum page<div><br></div><div><a href=3D"http://www.n54sg.com=
/baffle-kit-diffusers-and-plenum/" target=3D"_blank">http://www.n54sg.com/b=
affle-kit-diffusers-and-plenum/</a></div>
<div><br></div><div>where you place the poster board over the engine for a =
mold shape. =A0I was thinking how easy that could be on the IO550 even if i=
t didn&#39;t do all the fancy work up front with diffusers and so forth. =
=A0Such a simple piece might seal the back, two sides for perhaps 75% posit=
ive seal. =A0It would get rid of a lot of silicone strips with (what appear=
s to be) reasonable effort. =A0Great idea.</div>
<div><br></div><div>Paul</div><div>Legacy<br><div><div>On 2013-05-24, at 1:=
57 PM, Tom McNerney &lt;<a href=3D"mailto:dudewanarace@yahoo.com" target=3D=
"_blank">dudewanarace@yahoo.com</a>&gt; wrote:</div><br><blockquote type=3D=
"cite">
<div style=3D"font-size:12pt;font-family:arial,helvetica,sans-serif">A lot =
is possible.=A0 Could be gear actuator, could be a door actuator, could be =
the dump valve, etc.</div></blockquote></div><br></div></div></blockquote><=
/div>
<br><div>
<span><img height=3D"78" width=3D"200" src=3D"cid:44972CD8-B1BA-45F5-8EB0-0=
09D3716F0AC"></span><span style=3D"text-indent:0px;letter-spacing:normal;fo=
nt-variant:normal;text-align:-webkit-auto;font-style:normal;font-weight:nor=
mal;line-height:normal;border-collapse:separate;text-transform:none;font-si=
ze:medium;white-space:normal;font-family:Helvetica;word-spacing:0px"><div>
<br>Bob Rickard</div><div>President, Rickard Consulting Group, Inc.</div><d=
iv><a href=3D"mailto:r.rickard@rcginc-us.com" target=3D"_blank">r.rickard@r=
cginc-us.com</a></div><br><br></span>
</div>
<br></div></div></blockquote></div>

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