I always find Febrovery too short of a month—28 days of rovers showing up in my feed isn’t long enough to satisfy me—so realizing that this year we’d get an extra leap day of rover goodness was a good feeling. And boy was it a good day. Not only did we get an extra rover from the regulars, we got this beauty from Scott Wilhelm! This rover has everything you could wish for or imagine, and then some—massive tires, full interior, movable crane, lights, and remote-control motor. No wonder builder Scott Wilhelm waited for a February with 29 days to tackle this project! In fact, even with that extra day, I was wondering how he pulled it off—so I asked him about that and a few other questions while I was at it. Geneva: In the description you mentioned that you’ve been wanting to do a big rover with those giant...

