This is fund-my-hobby, albeit a cool hobby. FYI most universities with large aerospace departments have some type of rocketry club developing similar scale motors:

http://spase.stanford.edu/Hybrid_Rocket_Student_Meeting.html

http://web.mit.edu/rocketteam/www/lab.html

http://www.umich.edu/~mrocket/archive/hybrid_i_photos.html

Last link shows some people I know personally, now at SpaceX.