Date: Tue, 10 May 2011 10:39:07

Author: --- Jerry DiMarco

Subject: Re: Sound and resonance demos


3A60.64 - inverted pendulum speaker driven, sounds similar to what
you are asking. It is from AJP so presumably should be SFW...


At 5/10/2011 08:22 AM, you wrote:
>I have used the Pasco mechanical driver, SF-9324< to drive a water balloon.
>The balloon was supported by a ring stand roughly about the diameter.
>Caution: some resonances look vaguely erotic and may be NSFW ;-)
>-----Original Message-----
>From: [] On
>Behalf Of Jerry Hester
>Sent: Monday, May 09, 2011 2:30 PM
>Subject: [tap-l] Sound and resonance demos
>Dear Tapplers,
>Have any of you tried using sound for such things as vibrating a water
>balloon or an egg?
>How about driving a pendulum?
>Would the power requirements be prohibitive?
>Would the damping make it not feasible?
>Any thoughts?
>Jerry H.