X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from nm6.access.bullet.mail.sp2.yahoo.com ([98.139.44.133] verified) by logan.com (CommuniGate Pro SMTP 5.4c3j) with SMTP id 4991242 for flyrotary@lancaironline.net; Sun, 22 May 2011 19:29:18 -0400 Received-SPF: softfail receiver=logan.com; client-ip=98.139.44.133; envelope-from=echristley@nc.rr.com Received: from [98.139.44.103] by nm6.access.bullet.mail.sp2.yahoo.com with NNFMP; 22 May 2011 23:28:43 -0000 Received: from [98.139.44.79] by tm8.access.bullet.mail.sp2.yahoo.com with NNFMP; 22 May 2011 23:28:43 -0000 Received: from [127.0.0.1] by omp1016.access.mail.sp2.yahoo.com with NNFMP; 22 May 2011 23:28:43 -0000 X-Yahoo-Newman-Id: 497233.19476.bm@omp1016.access.mail.sp2.yahoo.com Received: (qmail 94934 invoked from network); 22 May 2011 23:28:43 -0000 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=yahoo.com; s=s1024; t=1306106923; bh=zi2TN6mnubGSaEqsH6hSUQ31UJvC3t6HwT5o0aETgt4=; h=Received:X-Yahoo-SMTP:X-YMail-OSG:X-Yahoo-Newman-Property:Message-ID:Date:From:Reply-To:User-Agent:MIME-Version:To:Subject:References:In-Reply-To:Content-Type; b=qugQIOULAmkhxqNQDFtrqlDgK/DZJNf2sxHnUNyQwz5RfWv3QL0OcwAtW+uQ9gAvoGYImLos16oORyzH91vHANjhz9Hj/eXHsnA9jUKCss2Hw4YhJBcaZZka4ZKoVnec95MWBuvkQa4E0RaseBNVkAJ9n6kjcpOrHCPxBGpV+XM= Received: from [192.168.1.2] (echristley@65.190.53.180 with plain) by smtp103.sbc.mail.gq1.yahoo.com with SMTP; 22 May 2011 16:28:42 -0700 PDT X-Yahoo-SMTP: 40RP3pGswBDvPav1a.I8eMv.KS8bdgWBnCloVoKaow-- X-YMail-OSG: U9NEDr4VM1nAUxyDYnRyH5zFJ_auJZyMDVfHAWWZOScVdM6 GNWEkyUYfVt5BO6LJsYi4oY6TZabbDROF0iqgaMBUV7mw_LOvxc75uFrIePp C_AyaI4zpPe4I0FONlytSSF.fLG88R9IbaGst_db12pX25.kckI_8NTgLzNc zHrIZSIjo.CCoUuUtNWxKyyG3TkpgE7tiqcUeiKRcavc7cZPSUAwB9y6_PuZ _l5U1A3ifQBbFS6m32Y.Rq49E5DQzx_FuMNZkQ.PBmkBOdAvK3mgxBLU3KJQ bk2_VKgeJpcJ_ose15f_SEdROFOlfoNCE1lmd61pdLocEUUyu4Q-- X-Yahoo-Newman-Property: ymail-3 Message-ID: <4DD99C25.3070403@nc.rr.com> Date: Sun, 22 May 2011 19:28:37 -0400 From: Ernest Christley Reply-To: echristley@att.net User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.17) Gecko/20110424 Lightning/1.0b2 Thunderbird/3.1.10 MIME-Version: 1.0 To: Rotary motors in aircraft Subject: Re: [FlyRotary] Re: New impeller design References: In-Reply-To: Content-Type: multipart/alternative; boundary="------------050701010408010501060101" This is a multi-part message in MIME format. --------------050701010408010501060101 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 8bit On 05/22/2011 01:54 PM, Thomas Mann wrote: > If you want to play with the design, make it out of Styrofoam. There > are places online and some craft stores than offer hotwire > sculpting/modeling tools to use when shaping the foam. > Once you have a designed modeled, take it to a foundry and have then > cast it in aluminum. It’s not that expensive and you can make your > mistakes in relatively cheap material. Use 3m 78 spray adhesive to > join foam pieces together. Use only Styrofoam. > T Mann If you're still in the brainstorming stage, even styrofoam can get really expensive. That, and it is REALLY hard to email a styrofoam model to other list members 8*). My USB port is all clogged up from trying. --------------050701010408010501060101 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: 8bit On 05/22/2011 01:54 PM, Thomas Mann wrote:

If you want to play with the design, make it out of Styrofoam. There are places online and some craft stores than offer hotwire sculpting/modeling tools to use when shaping the foam.

Once you have a designed modeled, take it to a foundry and have then cast it in aluminum. It’s not that expensive and you can make your mistakes in relatively cheap material. Use 3m 78 spray adhesive to join foam pieces together. Use only Styrofoam.

T Mann

If you're still in the brainstorming stage, even styrofoam can get really expensive.

That, and it is REALLY hard to email a styrofoam model to other list members 8*). My USB port is all clogged up from trying.
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