Combat Robotics
Combat Robotics
Build battling robots — engineering drivetrains, weapons, and armour, then competing in the arena.
Combat robotics is engineering with the stakes turned up: you design and build a machine to survive — and dish out — real damage, then drive it against someone else's in an arena.
It's a brilliant crash course in motors, batteries, radio control, and structural design, and the community around antweight and beetleweight classes is welcoming and cheap to enter.
The honest part is that it's iterative and a little brutal — your robot will get wrecked, and the hobby is as much about repairing and improving between fights as the fights themselves.
Build battling robots — engineering drivetrains, weapons, and armour, then competing in the arena.
Fit
Is this for you?
Honest tradeoffs before you spend money or clear space.
You'll enjoy this if
- A complete, hands-on engineering education — motors, power, radio, structure.
- The arena adrenaline and a genuinely friendly, helpful community.
- Cheap entry classes (antweight/beetleweight) keep the first bot affordable.
Not for you if
- Your robot will get destroyed — repair and iteration are the real hobby.
- Ongoing costs add up: spare parts, batteries, and travel to events.
- A steep start across several disciplines at once, and a workshop to build in.
Tends to suitThe BuilderThe Maker
Gear
The full kit
The essentials run about $540 — you don't need it all to start. Each project lists only what it uses, and the first is often free. Links open Amazon (affiliate tag).
Timeline
What to expect
Rough shape of the first few months — not a promise, a mental model.
- first session
Starting in a small weight class, you'll wire up a drivetrain and radio and drive a bare chassis around — and immediately start thinking about armour and a weapon. The first time it moves under your command is the hook.
- first month
You've built a complete small bot, learned to pick motors and batteries that won't catch fire, and understand why weight budget rules every decision. You've probably fought once and lost gloriously.
- few months in
You iterate between events — strengthening weak points, refining the weapon, improving your driving — and you understand the trade-offs between armour, weapon, and speed. You're part of a local scene now.