X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from [107.14.166.226] (HELO cdptpa-oedge-vip.email.rr.com) by logan.com (CommuniGate Pro SMTP 6.0.9e) with ESMTP id 6855729 for flyrotary@lancaironline.net; Fri, 02 May 2014 07:30:12 -0400 Received-SPF: pass receiver=logan.com; client-ip=107.14.166.226; envelope-from=eanderson@carolina.rr.com Return-Path: Received: from [174.110.171.30] ([174.110.171.30:60727] helo=EdPC) by cdptpa-oedge01 (envelope-from ) (ecelerity 3.5.0.35861 r(Momo-dev:tip)) with ESMTP id A5/85-08796-1A183635; Fri, 02 May 2014 11:29:38 +0000 Message-ID: From: "Ed Anderson" To: "Rotary motors in aircraft" References: In-Reply-To: Subject: Re: [FlyRotary] Re: Foundry Experience? Date: Fri, 2 May 2014 07:29:31 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0049_01CF65D8.42537220" X-Priority: 3 X-MSMail-Priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 16.4.3528.331 X-MimeOLE: Produced By Microsoft MimeOLE V16.4.3528.331 X-RR-Connecting-IP: 107.14.168.118:25 X-Cloudmark-Score: 0 This is a multi-part message in MIME format. ------=_NextPart_000_0049_01CF65D8.42537220 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Its pretty amazing what you can do with the proper 3D printing process. = It can do some things easily that are very difficult and costly to try = and machine. I recently used the 3D process to prototype some = electronic enclosures =E2=80=93 other more traditional methods would = have cost me $700 =E2=80=93 $1200 per prototype, using 3D I got them = for $70. =20 My experience indicates that there are still limitations =E2=80=93 the = finish is somewhat lacking and reproducibility to the same precision = also does not always work out. Any part of a model with an overhang = generally has to have some sort of support (designed to be removed = later) which can leave results that are somewhat unaesthetic looking. I = imagine both have a lot to do with the cost and quality of the 3D = printer. =20 But, for a casting of the size of a manifold the only problem I see is = finding a 3D printer that can accommodate the size. But, giving how = rapidly things are changing in the 3D printing world, its probably just = a matter of looking. Good Luck, Bob. I for one would be very interested in how your casting = project turns out. Ed Edward L. Anderson Anderson Electronic Enterprises LLC 305 Reefton Road Weddington, NC 28104 http://www.andersonee.com http://www.eicommander.com From: Rob Bollinger=20 Sent: Thursday, May 01, 2014 9:50 PM To: Rotary motors in aircraft=20 Subject: [FlyRotary] Re: Foundry Experience? Hi Thomas,=20 Any news on the 20B manifold. Robert Bollinger On Fri, Dec 20, 2013 at 9:09 AM, Thomas Mann wrote: Well .... yet another new development.=20 I'm sure that many of you are familiar with the 3D printing process.=20 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. =20 The process even takes into consideration the shrinkage of the = particular metal you are pouring. I believe Aluminum is 1.3% (or there = about.)=20 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.)=20 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.=20 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 --=20 Robert Bollinger=20 MR722 MUM Fairfield, IA 52557 (641)919-3213 rob@mum.edu No virus found in this message. Checked by AVG - www.avg.com Version: 2013.0.3469 / Virus Database: 3722/7426 - Release Date: = 05/01/14 ------=_NextPart_000_0049_01CF65D8.42537220 Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable
Its pretty amazing what you can do with the proper 3D printing=20 process.  It can do some things easily that are very difficult and = costly=20 to try and machine.  I recently used the 3D process to prototype = some=20 electronic enclosures =E2=80=93 other more traditional methods would = have cost me $700 =E2=80=93=20 $1200 per prototype,  using 3D I got them for $70.   =
 
My experience indicates that there are still limitations =E2=80=93 = the finish is=20 somewhat lacking and reproducibility to the same precision also does not = always=20 work out.  Any part of a model with an overhang generally has to = have some=20 sort of support (designed to be removed later) which can leave results = that are=20 somewhat unaesthetic looking.  I imagine both have a lot to do with = the=20 cost and quality of the 3D printer. 
 
But, for a casting of the size of a manifold the only = problem I see=20 is finding a 3D printer that can accommodate the size.  But, giving = how=20 rapidly things are changing in the 3D printing world, its probably just = a matter=20 of looking.
 
Good Luck, Bob.  I for one would be very interested in = how your=20 casting project turns out.
 
Ed
 
Edward L.=20 Anderson
Anderson Electronic Enterprises LLC
305 Reefton=20 Road
Weddington, NC=20 28104
http://www.andersonee.com
http://www.eicommander.com
Sent: Thursday, May 01, 2014 9:50 PM
Subject: [FlyRotary] Re: Foundry = Experience?
 
Hi Thomas,=20
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=20 suggested that I create the manifold in 3D CAD software and have them = 3D print=20 it in wax, ready for casting. 

The process even takes into consideration the shrinkage of the = particular=20 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=20 my Investment Casting hat. I just could not imagine how a CNC could = handle=20 this (plus that would be very expensive.)

Anyway, if this does work out, once I have a working prototype, = (and if it=20 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=20 done.

T Mann
 
Sent from my ASUS TF600T using Windows 8
50% Brighter than any = iPad
=
 
<= BR>
 
--
Robert Bollinger=20
MR722 MUM
Fairfield, IA 52557
(641)919-3213

No virus found in this=20 message.
Checked by AVG - www.avg.com
Version: 2013.0.3469 / = Virus=20 Database: 3722/7426 - Release Date: = 05/01/14

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