Well I've got the fuel, all week I have been shovelling it up whilst my wife has been away. For instance this moring there were 4 wheel barrows of it. That is from the horses, I day say I could fill a few buckets if there was a demand, as I have been cooking for myself.
So if you want to do a spot of re-enacting at Beltring. For batallion capacity, the diameter is 5 ft & the height of the wall should be 3.5 ft.