I remember something along the lines of having to remove static from
the watrer flow also. If it is allowed to charge the water , then the
like charges cause the water stream to break up quicker. Placing a
mesh near the exit point to dissipate the charge can help.

RP

On 03/03/06, Antony Wuth <foobie@gmail.com> wrote:
> On 3/3/06, Danny Sauer <piclist@dannysauer.com> wrote:
>
> > So, how does one maintain a coherent, relatively small stream?  I'm
> > specifically thinking about those water "sculpture" things that you
> > see at theme parks and other outdoor venues, where there are various
> > combinations of synchronized streams of water at various times.  Do
> > they rifle the nozzle to keep the stream together, or it entirely
> > based on matching the pressure to the orifice size?  Maybe something
> > to do with the length of the orifice?
>
> Apparently (at least on some of the fountain type devices I have
> looked out) keeping air out of the stream seems to greatly help in
> holding it together. To this aim I have seen devices that rather than
> pump directly out the spout pump into a surge tank (or something like
> it) and then have the outlet to the spout come under the 'air' line. I
> presume this would also lessen the variations in pressure that could
> contribute to the stream breaking up. At least the jets I was looking
> at seemed to all have nice smooth nozzles..
>
>
> Antony.
>
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