When used as a rocket booster, it is filled with 66 Ibs. of water heated electrically to 504° F. The water cannot boil because it is confined, but its pressure rises to 50 atmospheres (735 Ibs.

The rocket stove was able to effortlessly heat 80 liters of water to 70°C in a little over an hour using a few scraps of wood. The metalworking skills of [Little Aussie Rockets] are also on full ...

[The Q] is one such experimenter, who built a dual-thrust water rocket that even has a parachute for landing! The testing took place in an area strangely reminiscent of a certain operating system.