on a “F” engine, the unpainted Doorknob model rocket leaps skyward off the pad in a sparkly liftoff. The one minute-long flight reached 832 feet in altitude according to the onboard flight recorder.
on a “F” engine, the unpainted Doorknob model rocket leaps skyward off the pad in a sparkly liftoff. The one minute-long flight reached 832 feet in altitude according to the onboard flight recorder.