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Subject: Re: [FlyRotary] Re: Foundry Experience?
From: Rob Bollinger <rob@mum.edu>
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Content-Type: multipart/alternative; boundary=001a11349f4c07fb5a04f86100ef

--001a11349f4c07fb5a04f86100ef
Content-Type: text/plain; charset=UTF-8

Hi Thomas,
Any news on the 20B manifold.
Robert Bollinger


On Fri, Dec 20, 2013 at 9:09 AM, Thomas Mann <tmann@n200lz.com> wrote:

>  Well .... yet another new development.
>
> I'm sure that many of you are familiar with the 3D printing process.
>
> I was contacted by a foundry supply company. After a bit of chatting he
> suggested that I create the manifold in 3D CAD software and have them 3D
> print it in wax, ready for casting.
>
> The process even takes into consideration the shrinkage of the particular
> metal you are pouring. I believe Aluminum is 1.3% (or there about.)
>
> I was already modeling this in 3D with Rhino but I had my CNC hat on, not
> my Investment Casting hat. I just could not imagine how a CNC could handle
> this (plus that would be very expensive.)
>
> Anyway, if this does work out, once I have a working prototype, (and if it
> is cost effective) I can start cranking these out at will.
>
> I'll be moving on to the air-box (cool side intake) once this is done.
> T Mann
>
> Sent from my ASUS TF600T using Windows 8
> 50% Brighter than any iPad
>
>


-- 
Robert Bollinger
MR722 MUM
Fairfield, IA 52557
(641)919-3213
rob@mum.edu

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Content-Type: text/html; charset=UTF-8
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<div dir=3D"ltr">Hi Thomas,<div>Any news on the 20B manifold.</div><div>Rob=
ert Bollinger</div></div><div class=3D"gmail_extra"><br><br><div class=3D"g=
mail_quote">On Fri, Dec 20, 2013 at 9:09 AM, Thomas Mann <span dir=3D"ltr">=
&lt;<a href=3D"mailto:tmann@n200lz.com" target=3D"_blank">tmann@n200lz.com<=
/a>&gt;</span> wrote:<br>
<blockquote class=3D"gmail_quote" style=3D"margin:0 0 0 .8ex;border-left:1p=
x #ccc solid;padding-left:1ex">




<div dir=3D"ltr">
<div dir=3D"ltr" style=3D"font-family:&#39;Calibri&#39;,&#39;Segoe UI&#39;,=
&#39;Meiryo&#39;,&#39;Microsoft YaHei UI&#39;,&#39;Microsoft JhengHei UI&#3=
9;,&#39;Malgun Gothic&#39;,&#39;sans-serif&#39;;font-size:12pt"><div><p>Wel=
l .... yet another new development. </p>

<p>I&#39;m sure that many of you are familiar with the 3D printing process.=
 </p>
<p>I was contacted by a foundry supply company. After a bit of chatting he=
=20
suggested that I create the manifold in 3D CAD software and have them 3D pr=
int=20
it in wax, ready for casting.=C2=A0=C2=A0</p>
<p>The process even takes into consideration the shrinkage of the particula=
r=20
metal you are pouring. I believe Aluminum is 1.3% (or there about.)=C2=A0</=
p>
<p>I was already modeling this in 3D with Rhino but I had my CNC hat on, no=
t my=20
Investment Casting hat. I just could not imagine how a CNC could handle thi=
s=20
(plus that would be very expensive.)=C2=A0</p>
<p>Anyway, if this does work out, once I have a working prototype, (and if =
it is=20
cost effective)=C2=A0I can start cranking these out at will.=C2=A0</p>
<p>I&#39;ll be moving on to the air-box (cool side intake) once this is don=
e.<br></p></div><div class=3D""><div dir=3D"ltr"><div dir=3D"ltr"><div>T Ma=
nn</div><div><br></div><div><div>Sent from my ASUS TF600T using Windows 8<b=
r>
50% Brighter than any iPad</div><div><br></div></div>


</div>


</div></div></div>
</div>

</blockquote></div><br><br clear=3D"all"><div><br></div>-- <br><div dir=3D"=
ltr">Robert Bollinger<div>MR722 MUM</div><div>Fairfield, IA 52557</div><div=
>(641)919-3213</div><div><a href=3D"mailto:rob@mum.edu" target=3D"_blank">r=
ob@mum.edu</a></div>
</div>
</div>

--001a11349f4c07fb5a04f86100ef--