Proto Speed is an official Australian speed class designed to use Class 2 (Modern B) team racers. The models are timed for 14 laps from a standing start. The pilot must have his hand in the pylon within two laps for the flight time to count.
These models are flown to obtain a percentage of the current class speed record.
This formula can be extended at a club level and the Golden model is for Vintage Proto, the Blue model in Class 2 Proto and the Red model in Classic B Proto.