Leslie Update

[Harry Bissell]

Just cut the shape you want into the edge of the wheel, and have any shape
(or frequency) you want...  a'la Hammond tone wheels  :^) Harry

Paul Perry wrote:

> At 03:45 PM 23/08/99 -0700, you wrote:
> . Two
> >pieces of (visually) polarized plastic plus a light+photocell might
> >give you something useful.
> >
> thanks Bob! that's the neatest thing I heard of for a while,
> and really simple too.. I wonder if any of the home robot guys use this?
>
> I think the output gives you two cycles for each cycle of the
> rotating sheet(? absolute value of sine?)
> Well, easy enough to paint a slot around I guess.
> Bring back the Optagon while we're at it.
>
> paul perry Melbourne Australia