FLS Battlebots – Blog https://www.flsbattlebots.cz/en/blog Longer articles on building combat robots, rules, electronics and tournaments – the things that do not fit into a short tutorial. Written by the FLS Battlebots team, organisers of the Czech Combat Robot League. en-gb Antweight vs beetleweight: which weight class to choose for your first combat robot https://www.flsbattlebots.cz/en/blog/antweight-vs-beetleweight-which-class-to-choose https://www.flsbattlebots.cz/en/blog/antweight-vs-beetleweight-which-class-to-choose Sat, 19 Sep 2026 08:00:00 GMT Antweight (150 g) and beetleweight (1.5 kg) compared under the CCRL rules: size, voltage, weapon energy, build cost and safety. Where to start and why. Combat robot tournaments: how they run, where they happen and how to enter https://www.flsbattlebots.cz/en/blog/combat-robot-tournaments https://www.flsbattlebots.cz/en/blog/combat-robot-tournaments Sat, 19 Sep 2026 08:00:00 GMT How a combat robot tournament works from registration to the final: fight format, arena specs, safety check, entry fees and the FLS Battlebots tournament calendar. Combat robots in the Czech Republic: where they are built, fought and how to join https://www.flsbattlebots.cz/en/blog/combat-robots-in-the-czech-republic https://www.flsbattlebots.cz/en/blog/combat-robots-in-the-czech-republic Sat, 19 Sep 2026 08:00:00 GMT Where combat robots happen in the Czech Republic: the Czech Combat Robot League, the 2026 calendar, weight classes, entry fees and how to enter your first event. 10 most common mistakes when building a combat robot (and how to avoid them) https://www.flsbattlebots.cz/en/blog/common-mistakes-building-a-combat-robot https://www.flsbattlebots.cz/en/blog/common-mistakes-building-a-combat-robot Sat, 19 Sep 2026 08:00:00 GMT Ten mistakes that make beginners fail the tech check or lose their first fight: failsafe, weight, gearing, wiring, an unlocked weapon. And how to avoid each of them. Your first combat robot tournament: a team checklist from registration to the final https://www.flsbattlebots.cz/en/blog/first-combat-robot-tournament-checklist https://www.flsbattlebots.cz/en/blog/first-combat-robot-tournament-checklist Sat, 19 Sep 2026 08:00:00 GMT What to pack for your first combat robot tournament, how to pass the tech check, what happens in the pits and how a day in the arena goes. A CCRL-based checklist. How much does it cost to build a combat robot? An antweight budget, item by item (2026) https://www.flsbattlebots.cz/en/blog/how-much-does-it-cost-to-build-a-combat-robot https://www.flsbattlebots.cz/en/blog/how-much-does-it-cost-to-build-a-combat-robot Sat, 19 Sep 2026 08:00:00 GMT Antweight combat robot budget line by line: motors, ESC, receiver, battery and 3D printing. A basic pusher costs about 1,000 CZK (€41), a spinner from 2,000 CZK. LiPo batteries for combat robots: how to choose, charge and store them safely https://www.flsbattlebots.cz/en/blog/lipo-batteries-for-combat-robots https://www.flsbattlebots.cz/en/blog/lipo-batteries-for-combat-robots Sat, 19 Sep 2026 08:00:00 GMT How to pick a 2S LiPo for an antweight robot (capacity, C rating, connector), how to charge it within the CCRL rules and how to store it so it lasts a whole season.