I am in the R&D process and was told about this forum at a football game. I am planning to build a trailer mounted smoker with the help of a friend (I don't know how to weld.... yet). I know that the main cooking chamber will be 5 feet long by 2 feet in diameter. I will be using the cooker for tailgating mainly. I would also like to be able to grill on it from time to time and maybe have the ability to grill and smoke at the same time. Any suggestions would be much appreciated.