Assuming you open your air supply prior to reload,my quetion is ...Do you open air 100% at once at the time of reload? Or, do you gradually open air intake over time as you would when you reduce for a longer burn. Heres what I do. I move from 25% open to all open about 1 hour prior to the reload. The only difference when I reduce for a longer burn I go from full open until chared, then half closed for about 15 inutes then set at approximately 25% closed till the next reload. My reason for the gradual increase of air is two fold. One, it may increase or atleast hold the surface temp. from dropping further the next hour. And two, I feel it gives the coals a good charge to assist in the ignition of the next load.