Gave the heat beads a go on the camp oven in the backyard recently. I found that the heatbeads didn't last long enough for a small leg of lamb. Finished it off in the oven inside. Probalby lost too much heat out the side of the beads. Otherwise it worked well.
With firewood not being supplied much anymore heatbeads are probalby going to be a good option.
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2007 Outlander, 2005 MODCON Redlander, 2003 DMH Overlander and four human Redlanders!