After driving around Minmus, Mun, and Kerbin, I decided I'd like to do the rest in one mission. I planned to use a modified version of my Mk IV Kerbin rover; this is a bit of an act of faith in the Kerbal Foundries group since presently the tracks don't work, but since no rover wheels work very well at the moment I can start work on the rest of the mission and trust that there will be working wheels or tracks later. The Mk IV was a solid and capable craft... as it should be, weighing