[robocup-small] new ball.

[Peter Voith]

Hi SSLers,

when I played last weekend the first time in my life SQUASH I really
liked the ball and his physical properties.
It is about the same size as a golf ball, much softer and is also
designed to not bounce so much, similar to the floor hockey ball Chris
Parker described. And the best thing is that they are available in
every color.

Of course, the convex hull rule would still be needed, but I think
that a smaller ball (like a golf ball) is more attractive regarding
the robots size.

Best regards,
Peter

2005/9/17, Chris Parker <parkerca at ieee.org>:
>     I like the idea of a new ball that would be hard to get moving
> like the bullets that we saw this year in Osaka.  A suggestion that
> was made by a member of our team in the past was to use a standard
> orange floor hockey ball.  These are made of vinyl and are designed
> NOT to bounce (so that the after coming down onto the floor after a
> shot, they STAY on the floor), are a little larger than a tennis ball
> and are bright orange.
>
>     With a larger ball, we could relax the convex hull rule
> somewhat, which would allow for more varied approaches to dribbling
> and kicking.
>
> -Chris Parker
> Team Canuck
>
> On 16-Sep-05, at 11:47 AM, James Bruce wrote:
>
> > Michael Babish wrote:
> >
> >>> A lighter ball, unless it is really light like a balloon, will
> >>> travel
> >>> faster. It is also likely to be weaker and easily damaged by the
> >>> contending robots.
> >>>
> >> What about the small plastic ball used by the dog league?
> >>
> >
> > Since CMU has an Aibo team, I can comment on this.  Unfortunately
> > using this ball isn't really even an option.  The balls were custom
> > made by Sony in 2000 and aren't being produced anymore.  The dog
> > league has been trying to find a new ball for the past two years,
> > but hasn't found one that is better yet.  New teams only get one
> > ball, and broken ones are essentially irreplaceable.
> >
> > That said, if anyone can find a similar ball you can buy now, I'm
> > sure the dog league would be ecstatic about it.
> >
> >
> >> What about the real-sized soccer ball used by the mid-size league?
> >>
> >
> > A size 5 (regular) ball is taller than the robot itself.  Maybe
> > someone here knows the smallest "real" soccer ball you can get.
> >
> >
> >> Personally, I don't like limiting the physical batteries.  I'm not
> >> convinced that it will solve the problems with overcrowding on the
> >> field. And I think it will introduce new problems.
> >>
> >
> > Me either.  I like the proposed "one battery pack per game" rule,
> > but specifying a specific battery limits things without necessarily
> > promoting team play.  I also really dislike the idea of penalizing
> > more onboard intelligence.
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