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Wind tunnel

Old 03-28-2007, 12:06 PM
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divergoff
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Default Wind tunnel

Anyone know where I could get my hands on a wind tunnel? I need it for a school project and don't have time to build one.
Old 03-28-2007, 12:33 PM
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Tall Paul
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Default RE: Wind tunnel

50 years ago my Alma Mater had a wind tunnel.. Catholic University, Wash DC.
You might send them a note.
Old 03-29-2007, 07:43 AM
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vicman
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Default RE: Wind tunnel

The guys on mythbusters make them all the time without a big ordeal.
Old 03-29-2007, 11:41 AM
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divergoff
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Default RE: Wind tunnel

true, but they have time, money and a nice shop. I do not have any of those. My high school's shop is joke. We have a wind tunnel but it is crap. I could fix it but just wanted to see if I could get one premade to save time.
Old 03-29-2007, 07:03 PM
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Tall Paul
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Default RE: Wind tunnel

The refrigertor box/cooling fan windtunnels of Mythbusters aren't good enough for anything worthwhile aerodynamically.
And, for anything worthwhile aerodynamically, you'll need a very complex sensitive balance to measure the forces on the test specimen.
Kitchen scales can't do this.
A quality wind tunnel that provides useful takes a lot of bux and time.
Particularly for measuring drag, the numbers are so small that ALL friction/hysteresis errors MUST be removed from the system to get reliable data.
Old 03-29-2007, 09:12 PM
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khodges
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Default RE: Wind tunnel

Bring your project over to the Antiques forum. We've usually got a pretty good breeze blowin' over there

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