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I've built several fans that look like this, however to do so via milling from billet would be fairly expensive. In the past theones I've built have always been a steel construction from cnc cut parts and then welded together.
Jarrett Johnson
www.innovention-tech.com ----- Original Message -----
From: Ernest Christley <echristley@nc.rr.com>
Date: Friday, May 20, 2011 6:48 pm
Subject: [FlyRotary] Re: Blower experiment: FAIL
On 05/20/2011 07:35 PM, H & J Johnson wrote:
> As far as cnc'ing one, sure that can be arranged. Are we talking from billet or a casting or..? Material?
I'm thinking that the best I could do with the space constraints I have would look like the "Completely shrouded impeller of the D.V.L." pictured in the third page at:
http://www.flightglobal.com/pdfarchive/view/1942/1942%20-%200144.html
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