22 SERVO 07.2016
to ride smoothly while rotating. To
drive the weapon, I utilized a
friction roller system; think of it like
a car tire on the road pulling the car
along.
In this setup, the road (shell) is
what is being pulled along by the
tire due to friction.
As time went on, I built up
CATAPULT (Figures 5, 6, and 7) to
become a serious contender.
Unfortunately, it was unable to do
well in the 2014 Bot Blast
tournament due to several
problems: There was too little
tension between the wheel and the
weapon roller which resulted in
FIGURE 9.
FIGURE 10.
FIGURE 11.
FIGURE 7.
FIGURE 8.