Featured
This Month:
22 BUILD REPORT:
BaneBots P60 Repair
and a Brushless
Upgrade
by Pete Smith
26 PARTS IS PARTS:
Product Beta Test:
RageBridge 2 from
Equals Zero Designs
by Mike Jeffries
28 Big Power, Little
Package: Brushless
Motor Drive
by Russ Barrow
30 PROFILE:
He Caught It, and I
Don’t Want to Cure
It: Robot Fever
by Matt Leach
32 BattleBots™ Gets
Tombstoned
by Chris & Tiffany Olin
35 Tips from the Pros
by Chris & Tiffany Olin
Post comments on this
section and find any associated
files and/or downloads at www.
servomagazine.com/index.php
/magazine/article/november2015
_CombatZone.
BUILD REPORT:
BaneBots P60 Repair
and a Brushless Upgrade
● by Pete Smith
My 12 lb Hobbyweight, Isotelus Rex
(Figure 1) lost to
Attrition in the finals at
this year’s Motorama. It
wasn’t really close, but
what forced us to tap
out quickly in the final
fight was the loss of
drive on one side.
Discretion being the
better part of valor ... it
is better to live to fight
another day than be
carried out of the arena
in a dust pan.
I dismantled the bot
looking to see what the
problem was so that I could rebuild it
in time for the Franklin Museum event
in October. The only visible damage
was to the end plate of the motor on
that particular side (Figure 2). A big
hit must have shocked the armature
on the motor and popped out the end
plate past the little tabs that are
supposed to keep it in place.
When I separated the motor from
the gearbox, it was clear why it had
seized up. The armature in the motor
had moved back far enough so that
only a small section of teeth on the
22 SERVO 11.2015
Figure 1. Isotelus Rex.
