the Tee. It must then be released by a
robot hitting the release lever.
A team may not control the ball
for more than 20 seconds without
scoring a goal. If the shot clock expires,
the ball must be surrendered, within
five seconds. If the ball is not surrendered play is stopped and a face-off
occurs, similar to a face-off in hockey.
In the event that a robot is ejected
from the arena while carrying the ball,
a timeout will occur and the ball will be
placed in the Tee. Should a robot
become stranded or disabled while
carrying the ball and be unable to
release it, a timeout will occur and the
ball will be placed in the Tee.
There are four ways to score
arena ( 10 point bonus for ejecting ABOUT BOTBASH
ALL opponents) Botbash LLC, headquartered in
Tuscon, AZ, is one of the pioneers of
• (1 point) – Disable opponent robotic sports. Originally formed in
1997 to present fighting robots at
a science fiction convention in
Phoenix, AZ, Botbash grew to be one
of the longest-lived robotic sports
organizations, celebrating its 10th
anniversary this year.
In addition, a team can win the
match during Sudden Death Overtime
by scoring with the ball.
• ( 5 points) — ACE. Ball score with ball
on the “serve,” originating from ball Tee
Teams and Robots
A team will consist of from three
to five people and from three to five
robots. Robots must weigh at least 30
lbs but no more than 60 lbs. A team
may bring up to five robots total and
must select at least three, but no more
than four to play in each quarter. The
total weight of the robots selected
must not exceed 150 lbs. Robots must
be built according to the Robot
Fighting League “Sportsman Class”
rules, but can weigh up to 60 lbs rather
than the usual 30 lbs for that class.
age team play, by rewarding teams
that can work as a group to score
goals. While beating up opponents can
be part of an effective strategy, a team
will need to score points while defending their own goal to be successful.
• ( 3 points) — Ball score from play
• ( 3 points) — Throw opponent out of
The game is designed to encour-
Detailed rules for BashBall and
robot construction can be found at
SERVO 09.2007 37