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Erich,
We would love to see pics of this exhibit if you wouldn't mind,
Thanks,
Tom Tanioka
Education Director
Challenger Learning Center/Castle Science and Technology Center
3460 Challenger Way
Atwater, CA 95301
209-726-0296
Fax 209-726-3491
On May 2, 2008, at 12:44 PM, Erich Rose wrote:
> ISEN-ASTC-L is a service of the Association of Science-Technology
> Centers
> Incorporated, a worldwide network of science museums and related
> institutions.
> *****************************************************************************
>
> Yep! We have! But we started by looking at one at the Witte Museum in
> San Antonio. There's shot straight up and had a large wire mesh
> funnel
> to catch it. Ours shot at an angle of about 45 degrees and was
> captured
> between a net and the wall. There's was about how high it could go.
> Ours had a target (aluminum tube bell) to hit. You had to fines it or
> it would go over or under the target.
>
> It has to be built well since it is a bowling ball being lifted and
> dropped. And there are some things that might not seem obvious like
> the
> fact that the large tube the bowling ball drops in does not have to be
> as tall as the height it gets lifted to and then there are some issues
> with how much smaller diameter tube is between the large tube and the
> tennis ball. Oh, and we used "hairless" practice balls.
>
> It was a blast and well worth building. We plan on bringing it back
> out
> in a year or two. I can send some pictures if you'd like.
>
> Erich Rose
> Exhibit Manager
> Austin Children's Museum
> 201 Colorado Street
> Austin, TX 78701
> 512-472-2499 x207, fax 512-472-2495
> [log in to unmask], www.austinkids.org
>
> -----Original Message-----
> From: Informal Science Education Network
> [mailto:[log in to unmask]] On Behalf Of Kathy Krafft
> Sent: Friday, May 02, 2008 2:19 PM
> To: [log in to unmask]
> Subject: Re: tennis ball launcher
>
> ISEN-ASTC-L is a service of the Association of Science-Technology
> Centers
> Incorporated, a worldwide network of science museums and related
> institutions.
> ************************************************************************
> *****
>
> Hi all--
>
> Somewhere, long ago, one of our wonderful volunteers saw a neat
> exhibit
> where a small diameter pipe is connected near the bottom of a large
> diameter pipe. A bowling ball drops down the large pipe, compressing
> the air inside it; this causes the tennis ball resting on the smaller
> diameter tube to shoot way up in the air. He'd like to build one for
> our outdoor Science Park area.
>
> Our early experiments have not been very successful. Any hints or
> suggestions as to someone who has done this successfully would be most
> appreciated!
>
> Kathy Krafft
> Exhibit Projects Director
> Sciencenter
> Ithaca, NY
> 607-272-0600 x25
>
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>
> Check out the latest case studies and reviews on ExhibitFiles at www.exhibitfiles.org
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Check out the latest case studies and reviews on ExhibitFiles at www.exhibitfiles.org.
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