This is my second build and i figured out all the stuff i didnt want to do on the first one so here we go again, went from 320 to 500gal, single to tandem trailer so i have room for all accessories and storage on the trailer, dual racks instead of single. Racks are in, doors etc. my biggest mistake on the first was the firebox, i used a fuel tank from an old oil furnace, super thin metal, this time im buying 1/4 in plate, so here is my plan for this one.
feldon bbq calculator says my firebox should be 38500 and this design is 38800 36wx36lx30h so almost dead on. i need help figuring out how high to put my RF plate so that the throat from FB to tank is big enough. and the calculator says i need 152 chimney if i go with 4 in, which seems really tall. even with dual 4in pipes saying about 7 ft tall, how much shorter can i go if i put an opening between the tank and warming box and have the chimney come off the warming box?
feldon bbq calculator says my firebox should be 38500 and this design is 38800 36wx36lx30h so almost dead on. i need help figuring out how high to put my RF plate so that the throat from FB to tank is big enough. and the calculator says i need 152 chimney if i go with 4 in, which seems really tall. even with dual 4in pipes saying about 7 ft tall, how much shorter can i go if i put an opening between the tank and warming box and have the chimney come off the warming box?
