[ExI] underwater sprinkler, was: RE: Musical instruments in space

[BillK]

On Sun, Mar 31, 2013 at 11:05 PM, spike wrote:
> Ja.  But give us equations, me lad.  We cannot solve sentences and
> paragraphs, we cannot derive a control system from it.  If we do this right,
> we could play a song with that underwater sprinkler.  It would be a fun
> accomplishment.  We could show it to the controls grad students and ask
> them: can you do this?
>
>

I doubt it. The effect is very small and experiments only show the
effect with very low-friction bearings on the sprinkler. i.e. a
specially made sprinkler with 'expensive' bearings.

But the equations are in the referenced papers.
See: <http://arxiv.org/pdf/0908.3190v4.pdf>

BillK