I tend to agree with Gator on the diameter of the grate...22" would be a Bear to get in and out...dont forget You will have bolts at the top to hold the cooking grate...I made my ash pan 15" diameter and the fire basket is 13" diameter and 6" tall.
Drum Smoker " Old Smokey " Work in Progress
Kingsford Premium Charcoal Grill
Weber Gasser Genesis Silver A
Pit Barrel Cooker
VietNam Veteran US Navy
May you Sleep in Peace always...and Please....Thank a Veteran for That Privilege!!