I had not thought of using split rims. That is a good idea. semi truck split rims are very heavy though. One thing that I use while out in the woods is a beehive sort of camp fire. It looks kind of like a beehive but kind of like an igloo hut, with a flat roof. Use the flat roof as a cooking area. I have used it for boiling water (I do like my coffee), cooking and such. They provide a little heat, but keep most of the heat inside to aid in cooking. I don't build them big enough to stick anything in there to cook like an oven. Although I do slide a few coals out into a little fire pit area to stick pots in on occasion.<br><br>On a side note. When I was working as a groundskeeper at an elementary school in glendale, az, we used old (very old) car rims as the base for our 15mph school zone signs. That school now has new signs that are made out of tubular steel and look all fancy. I guess they are supposed to look more professional or something.<br><br>