Awesome little rig!!!!
At first I thought it was a magic smoker that only had two legs. LOL
Then I saw the third.
It looks like you have decent equipment by the looks of the vent holes in the firebox door.
No worry about not being a reverse flow, you can fix that with the next build.
Most of us that build, just can't sit back and be happy. We have to start another build.
I have two drums, two ECB's, a
chargriller, a fresh built RF side firebox, another of the same but not built yet beside the house, the monster smoker trailer, and a few odds and ends to get started on at least three more trailer rigs.
BTW,,,,,I am on the other end of the spectrum then you are, LOL my trailer build just tipped the scales at 9000lbs. She has a weight problem, its ok, we're working on it and should be under control as soon as the diesel P.U. hits the road as a tow rig for the smoker.