apogee 3d models

or worse)The bottle can explode so never use any metal parts on the rocket!Calculated/simulated height at apogee is approx. ...12 meters with pressure 40 PSI (see graphs from <a...

or worse)The bottle can explode so never use any metal parts on the rocket!Calculated/simulated height at apogee is approx. ...12 meters with pressure 40 PSI (see graphs from https://cjh.polyplex.org/rockets/simulation/ )Please post your results.Print...

The launch reached an apogee of about 1000ft estimated, touched the clouds, ejected the parachute and… the parachute then drifted away leaving Bertha to return to earth like a dart. It ate 2" of dirt but <strong>SURVIVED!</strong> So that's 2...