I always wanted to make something that goes light speed... Sadly, I am not intelligent enough to figure out something with a better thrust/mass ratio. If you manage to push this beyond mach 3, I will be a very happy pile of meat, riding the rocket you made. :D
(a wise Warhammer 40k ork once said) I thoughts to meself I did, What makes a fing goes faster?
and I thoughts; Big ol roketz makes fings goez fasta. me buddy grumf tolds me that I shoulds paints it red to makes it gitz faster, so that'll be whats I do next.