Broken robots

[sanddrag]

grounded frame, tight chain, loose chain, stripped gears,

[Rickertsen2]

loose PWM cables, fried motors, improperly tensioned chains, loose setscrews, anything made of plexi/acrylic(lexan is fine)

Originally Posted by Cory

Robots that use nothing more than set screws to fasten sprockets to shafts.

set screw+shaft+powerful motors=large, deep groove in steel shaft

Hah. Lets just list setscrews as a problem in and of themselves.

[Ted Boucher]

heres some....
cracked pneumatic solenoid, disconnected wires, smashed limit switches, chain falling off, bent frame, broken transmission, and smashed LED lights

[Steve Howland]

Originally Posted by Ted Boucher

disconnected wires

*remembers replacing an entire globe motor during eliminations between matches then finding it was a loose wire *

As for new ones...broken chain tensioners (maybe just us...), snapped chains, cracked lexan pieces, reversed wires on motors, chain falling off gears/tensioners, fried motors, broken pvc (in other years for us). I noticed some lose batteries this year too. A couple times opposing robots got inside our chassis by accident and pulled a few things apart, which required some motor protection and chain work afterwords.