[simpits-tech] Spitfire grip...

[Freeman P. Pascal IV]

How embarrassing.  I misspelled Gene's name.  <bonk>

-----Original Message-----
From: Freeman P. Pascal IV [mailto:pascal at pascal.org] 
Sent: Sunday, March 10, 2013 6:35 PM
To: 'Simulator Cockpit Builder's List'
Subject: RE: [simpits-tech] Spitfire grip...

If you are worried about strength, you can always use the printed plastic
parts as molds for loss casting. Loss casting is where you use a material
like wax, or in this case plastic, as your mold positive.  You don't have to
remove the mold positive, you pour your casting material into the mold and
the positive is destroyed leaving the cast part.  

One major advantage of using your printed parts for loss casting is the PLA
tends to be durable enough that you can test the fit of part in place, how
it will wear, and trim and carve modifications all before you cast the final
part.

Check out:

http://3dtopo.com/lostPLA/

Oh, Gean - I've added a CNC Sieg X3 mill and (as of yesterday) a new G4000
metal lathe to my shop since we last conversed.  Now I just need to learn
how to use all this new equipment and I can make parts for folks on the list
:)


-Freeman

-----Original Message-----
From: simpits-tech-bounces at simpits.org
[mailto:simpits-tech-bounces at simpits.org] On Behalf Of geneb
Sent: Sunday, March 10, 2013 5:20 PM
To: Simulator Cockpit Builder's List
Subject: Re: [simpits-tech] Spitfire grip...

On Sun, 10 Mar 2013, dabigboy at cox.net wrote:

> Gene, that looks amazing! I need to get me something long those lines 
> (maybe not a 3D printer just yet, but a decent CNC rig at least).
>
HEhe.  Thanks!

> Question: what sort of plastic does this thing use, and can you put 
> different sorts of materials in it? My concern with the grade of 
> plastic used in Saitek or Thrustmaster products, for instance, is that 
> it's too light and brittle.

I used ABS plastic on this one - it's VERY strong.  You can use a number of
different materials including PLA and a special version of nylon called
Nylon 618.

g.

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Thanks!