Re: Spin water in tube


"Harold Burns" <hburns@xxxxxxxxxxxx> wrote in message
news:krr5f3hvqbbq035rfr9fftsai4esie79kd@xxxxxxxxxx
: Can anyone provide a brief summary of the methods by which a _flowing_
: stream of water (no air content) may be deliberately caused to spin as
: it progresses through a tube of about 60mm diameter and 1 metre
: length.
:
: I am considering vanes, but would like to canvas all options,
: mechanical or electronics. Particularly any that would result in
: higher rotational speeds.
:
: Thank you for any advice.
:
: Harold Burns

1) Spin the tube.
2) Spin the tube with helical vanes, as with a rifle barrel.
3) Spin the tube in sections, each section faster than the previous.
4) Narrow the tube.




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