Like I said before. I'll build one this spring and post it. Jamie you are supposed to build this bed in a permanent shelter like a hogan. This is a long term living skill not survival. I live in the Ozarks and there are plenty of bluff shelters and lots of rocky soils. I've done the stone warmed bed and I always build a good reflector. I think a good fire is not happy without a reflector. I've also slept many cold nights between a fire and a reflector.
Heres how my stone warmed bed experience go's. I use to go out when the temp's would fall into the single digits to test my skill. I would go to a good bluff shelter and start to find enough stones to fill a pit 6' long by 3' wide by 8" deep. now if any of you have prepared a good sweat lodge you'll know that this is a lot more stones than what it takes for a good sweat. " LOTS of HARD work! The next step is to find enough wood to heat these stones until they are glowing red and last through the night so you'll have wood in the morning. If the stone's aren't glowing red they won't stay warm all night. This is one MASSIVE pile of wood!
Start the fire and find a digging stick. I don't know if you guy's have ever dug a hole 6'x3'x8" with a stick but it's not that easy. When the stones are done you have to get them out with wooden tongs and start filling the pit. When your done you have to cover the pit with dirt. DO NOT IMMEDIATLEY LIE DOWN!!!!!!!!!!!!!! You will BURN! Also you have to let the moisture bake out of the ground for about 1 hour or you'll get wet.
This will keep you very toasty for about 10 hours but the total time of construction is about 6-7 hours of really hard labor. As you can see this would not be practical to do EVERY DAY. That is why the draft bed is better suited for long term living because you spend one day building it in your long term shelter and all you have to do is maintain the fire! Also let us remember that if you are not sleeping comfortably like you do at your house you will develop chronic hypothermia and die. If you sleep cold at night spend the next day making sure that you sleep warm the next night.
I promise I'll do this soon!