This is right up my alley.. Take a look at this little guy.. The guy made it with the engine and pump from a sea doo jet ski.
http://www.jetboatracing.com/phpbb3/viewtopic.php?f=8&t=1143.Not sure if this is what your looking for but I have seen this boat in action it does get up and scoot. Not to mention some of the guys build extreme machines too. A pov from a 21 ft. aluminum hull being powered by a GE T-58 turbine.. Love the sound of this monster!
http://www.youtube.com/watch?v=75_MHW0KtR0
http://www.jetboatracing.com/phpbb3/viewtopic.php?f=8&t=1143.Not sure if this is what your looking for but I have seen this boat in action it does get up and scoot. Not to mention some of the guys build extreme machines too. A pov from a 21 ft. aluminum hull being powered by a GE T-58 turbine.. Love the sound of this monster!
http://www.youtube.com/watch?v=75_MHW0KtR0