We have launch t' 1,5L rocket, and it goes 331 feet ! We have launched t' rocket three times, shiver me timbers, First launch 11 bar (160 psi) Second launch 12 bar (174 psi) Third launch 13 bar (188 psi) T' first launch be t' highest, it goes 331 feet (101 meter). Because t' fin was broken t' rocket did nay go straight up. Arrr! Next time with a good onboard video :D