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Thanks Earl,  I'm very familiar with all the issues of safety and maintenance. I've actually built quite a few over the years.  But recently someone asked me what the one in the Cookbooks was based on because it was powerful enough to float a large ball and currently I do not have access to a set of the Cookbooks.

Erich Rose

Erich Rose Design
807 The Living End
Austin, TX 78746
512-626-9930; [log in to unmask]

http://www.flickr.com/photos/erichrose/




On Jul 2, 2012, at 12:11 PM, Earl Stirling wrote:

> ISEN-ASTC-L is a service of the Association of Science-Technology Centers
> Incorporated, a worldwide network of science museums and related institutions.
> *****************************************************************************
> 
> Erish, let me look and see what model we're currently using.  We also emply
> a variable frequency drive so the visitor can change the speed.
> 
> One important thing I'd like to add is any version of the blower should
> ensure  pretty fine mesh and a long enough distance between said mesh and
> the impeller blades to protect against entanglement of scarves and long
> hair.
> 
> Earl
> On Jul 2, 2012 9:59 AM, "Erich Rose" <[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.
>> 
>> *****************************************************************************
>> 
>> I'm curious. Does anyone know off hand what the CFM is for the blower fan
>> that the Exploritorium Cook Book calls out for the Bernoulli Blower?
>> 
>> Erich Rose
>> 
>> Erich Rose Design
>> 807 The Living End
>> Austin, TX 78746
>> 512-626-9930; [log in to unmask]
>> 
>> http://www.flickr.com/photos/erichrose/
>> 
>> ***********************************************************************
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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.
> 
> The ISEN-ASTC-L email list is powered by LISTSERVR software from L-Soft. To learn more, visit
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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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