Model rocketeering

I'm also interested in model rockets. I have made one rocket so far. I have flown it many times, most flights were successful. Rocket is powered with small commercial "one-time use" rocket-engine fired by electricity.

Here are couple of pictures taken from my friends (Janne) rocket. Notice that it really chakes the ground when the rocket starts ;-) I haven't made my own launcher yet, so laucher and rocket in the pictures belong to my friend Janne. But you get the general feeling what's this is all about.

And here's a video from 2 launces. It's quite big, about 14 mb...