A minimum of two and a maximum of three members are allowed per team. Water, a compressor and a launch-pad will be provided. Maximum bottle capacity is 2500 ml (violation of which will result in disqualification). Only single stage rockets are allowed, any modifications must be validated by the event head. Information regarding the modifications must be intimated well in advance. (Judge's decision is final). Pressure range is pre-determined (40-45 psi). Time allotted to each team is 3 minutes. Judgement will be based on the distance travelled by the rocket and the deviation from the fixed trajectory. Use of sheet metal for the rockets is prohibited. In case of any discrepancies, the decision of the event coordinators will be deemed final.