This is the Bur Oak Robotics website, where you will find event recaps, progress updates, and information on the Bur Oak robots. Enjoy!
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Sponsored by Repeat Robotics & Laser Bros.
DECAPITATOR is a Plastic Ant overhead spinner designed to be built from printed pieces and parts from the Repeat PLANT Bundle. Every part is printed from Overture Super PLA+ and is designed to fit on an A1 Mini. The largest piece is the wedge, which is 176.2 mm wide. If you choose not to print this part, the rest of the robot will fit on any bed larger than 126.2 mm.
I have included two lengths of forks to control opponents and a durable wedge to deflect horizontal spinners, as well as a set of wheel guards so you can design your own configurations! Have fun!
The .txt file contains links to pre-sliced parts, recommended print settings, and a spreadsheet where you can calculate weights for any configuration you design.
If you choose to build this bot, all I ask is that you test safely and that you name it something other than DECAPITATOR (because that’s what I’m going to name mine).
I have been fairly happy with most of my robots in 2025, but some things will need to be improved for 2026.
Eviscerator:
Eviscerator will have significant changes to the wheel guards, and will be trying new materials. I will also experiment with different belt reductions, ESC settings, new weapon designs, and more. This will be Eviscerator V8.
Scintillator:
I will experiment with different print settings and Tegris armor. Scintillator’s weapon motors are now discontinued and have been replaced with a newer model, so the weapons will need to be adjusted slightly to fit. Throughout its fights, Scintillator has consistently cracked the epoxy holding on the weapon. I will experiment with Kevlar pulp to prevent crack propagation.
Gyrator:
Gyrator has a 15 second spin up time, so I will experiment with a different weapon motor.
Intimidator:
Intimidator showed promise in its two practice fights, but it had issues with the weapon motor mounts melting and was overweight. For its first event, it will have different print settings, an Aluminum weapon shaft, ABS motor mounts, and bearing support for the motor shafts.
Annihilator
Our team is building a 12 pound undercutter, and we are hoping to have it ready by June NHRL.
