While walking home from storing my camper at storage facility, I past a body fender place. Sitting out in it's yard was a sad looking camper. Now since there are not a lot of truck campers on Long Isl...
The boat looks repairable, even fairly easily repairable. The camper not so much.
Nearly every camper uses the sidewall as a stressed skin to support the cabover. There needs to be some other structure as well (mainly to keep the skin from buckling). Surely cantilevering a 2x4 out 8 feet over the cab won't do to.