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Subject:
Re: fans and sand for sandscape
From:
Charlie Carlson <[log in to unmask]>
Reply To:
Informal Science Education Network <[log in to unmask]>
Date:
Sun, 27 Nov 2011 09:55:28 -0800
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ISEN-ASTC-L is a service of the Association of Science-Technology Centers
Incorporated, a worldwide network of science museums and related institutions.
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Ned spent a fair amount of time fiddling with the problem.  I suggest you contact him, or Explo exhibit services.  The one additional thought I have, is that there are some rough service sealed refrigeration compressor cooling fan motors with replaceable fan blades that may fit your design specs.
C

Sent from Charlie's iPad

Berkeley, CA
Mobile 510-499-8086
Skypein: (510) 984-3543

[log in to unmask]
Exploratorium
3601 Lyon St.
San Francisco, CA 94123


On Nov 23, 2011, at 7:54 AM, Kim Hunter <[log in to unmask]> wrote:

> ISEN-ASTC-L is a service of the Association of Science-Technology Centers
> Incorporated, a worldwide network of science museums and related institutions.
> *****************************************************************************
> 
> 
> 
> We have an exhibit that uses a 24 volt fan to blow sandblasting sand
> into dunes, channels, and other landforms.  The fan is housed within the
> sandscape itself, and over time, the fan becomes gunked with the
> sandblasting sand (which is actually a fine-grained glass) and burns
> out.  Does anyone know of a fan that would achieve the same results but
> not burn out, or does anyone know of a sand that behaves as nicely as
> the sandblasting sand but wont gunk up the fan?
> 
> --Kim
> 
> 
> 
> Kim Hunter
> 
> Senior Director, Exhibit Development
> 
> Orlando Science Center
> 
> 407/514-2061
> 
> [log in to unmask]
> 
> 
> 
> Inspire Science Learning for Life
> 
> 
> 
> 
> ***********************************************************************
> For information about the Association of Science-Technology Centers and the Informal Science Education Network please visit www.astc.org.
> 
> Check out the latest case studies and reviews on ExhibitFiles at www.exhibitfiles.org.
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For information about the Association of Science-Technology Centers and the Informal Science Education Network please visit www.astc.org.

Check out the latest case studies and reviews on ExhibitFiles at www.exhibitfiles.org.

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