Originally Posted by
ajducote
Jim,
I am afraid I will not be much help. I used the original mount that came with the bus. There was an old Motosat Executive single lnb dish on the bus when I bought the bus. I removed the old dish and the new dish bolted to the old mount. It does look like the front 2 bolts are anchored in the bus frame. The rest just screw into the roof. UNLESS, Royale put something in the ceiling as additional support when it was built. I would think that if you span two cross members and bolt your base to them, it would be plenty strong.