I absolutely loved Jarts and my cool BSG missile launchers (had both the Colonial Viper and the Cylon Raider!) Never got so much as a boo-boo from either one of them.
Now, the time I thought it would be a good idea to mount a piece of pvc pipe on the handlebars of my bicycle and use it as a bottlerocket launcher, well that was another matter...
Uber. My first bottlerocket launcher was also pvc pipe, but all I did was put it on my shoulder and call it a bazooka...course I also mounted my rocketry kit launch button to the pvc pipe and used the solar igniters to light the fuse.
Good times.