FIGURE 4. Flywheel and steel ring.
could pass through the entire
assembly and keep it stiff. This way,
there were no threaded holes to
strip at the competition and it
made a pretty sturdy shock
resistant frame. You can see the
completed layout without the
weapon assembly in Figure 2.
So far, the build had been
much like any other fighting robot
build but now it was time to do the
part that made this machine
unique. It started with the main
plastic rails that held the entire
These attempted to keep the
flywheel, trigger mechanism, and
all supporting components aligned
and contained throughout the
fight. These rails also provided a
mounting point for the rear armor
bubble as it swooped around the
back of the bot.
After the weapon rails were
mounted, I made up a keyed
shaft to support and drive the
flywheel, and added the drive
motors and wheels to the robot,
as well (Figure 3).
FIGURE 5. Steel ring and strap.
28 SERVO 05.2013