9:21

This Model Rocket Lands Itself Better Now

8:45

S Motor Rocket Flies To 188,000 Feet

7:42

Big Rocket, Medium Fail

9:19

Experimental Rocket Motors - Graphite Nozzles in Aerotech Case

2:57

75mm Wimpy Red EX Motor in LOC Doorknob

25:11

The rocket motor that broke me

28:21

Lévitateur à volets soufflés 1 + divers lévitateurs bonus !

15:55

PHX4 Rocket launches to over 200000' attaining the highest amateur two stage flight.