UK Kilobots.

The Arena.
The overall size of the arena will be 2000mm x 2000mm. The arena can be used as a 2000mm x 2000mm combat box with no out of the arena zone and also the arena can be used as a 1500mm x 1500mm arena by inserting a removable 50mm high steel internal wall leaving a 250mm out of the arena zone. The arena floor will be 1000mm from the ground and the arena roof will be 800mm above the arena floor. The loading and unloading of robots will be done through one of two doors located on opposited sides of the arena. The doors will be hinged with a polycarbonate surround to ensure there are no gaps in the arena walls. Arena hazards will be interchangeable, all powered arena hazards will be able to be isolated from outside of the arena.
Arena Frame - 30mm x 30mm x 3mm steel box section
Arena Floor - 4 1000mm x 1000mm x 3mm steel plates
Internal Wall - 50mm x 5mm Steel
Arena Wall - 10mm Polycarb with 100mm x 5mm steel around the bottom
Arena Roof - 10mm Polycarb
Wall Frame - 40mm x 40mm x 3mm steel Angle
Roof Frame - 40mm x 40mm x 3mm steel Angle with 75mm x 5mm brace

Build Rules.
The weight limit will be 1.362 kg (3 lbs), Robots will be allowed to be 0% over the weight limit. 1.362 kg is the maximum weight allowed including all consumables. The robots will be built the the FRA
Featherweight build rules. IC engines will not be allowed. 2.4Ghz radio gear is mandatory.

Battle Rules & Judging
Battles will have a 3 - 5 minute time limit depending on the type of battle. Mini challenges will each have there own specified time limits.
Battles that do not end with a clear winner, i.e the other robot or robots are immobilized or out of the arena will be judged on style, control, damage and aggression.

Safety.
This weight class will follow all the FRA featherweight safety rules, so sharp edge protection, cradles and locking pins on active weapons must be used. All robots will be tech checked before they are allowed to enter the arena. Tech checking will take place on your pit table or you will be directed to take your robot to a tech checker at another table. Spinning weapons will be tested for fail safing inside an arena or enclosure that has been graded and passed to allow the use of spinning weapons. Robots will be activated by the robot owner or driver of the robot before a Battle or challenge, Robots will be disabled by an arena marshal at the end of a battle or challenge unless the robot owner or driver is directed to disable his/her own robot by an arena marshal.