Largest water rocket
  • This record is for the largest water rocket, in terms of its physical size.
  • This record is to be attempted by an individual or a team of unlimited size.
  • This record is to be measured in metres (m) to the nearest 0.001 m, with the equivalent imperial measurement given in feet (ft) and inches (in).
  • For the purposes of the record, a water rocket is defined as a type of model rocket using water as its reaction mass.