The wood kiln is a little bit bigger than the gas kiln and takes a full day to load. Geno spent the whole day on Friday loading the kiln while I was at work, so I didn't get to help much with that part.
Friday night they started a small fire outside of the kiln to slowly start to warm the kiln. After a couple of hours we slowly push the campfire into the kiln and begin feeding the kiln through the stoke hole. If it heats up too fast you can shock the pieces and they can crack.
This photo was taken later in the night, I did this job for about ten hours. What does it mean to call the stokes you ask? Well, I have to watch the time and record the minutes between stokes and watch the pyrometer to make sure that the temperature doesn't drop significantly. For the most part the stokes are about eight minutes apart through the middle of the firing. As the kiln gets hotter and starts to burn the wood faster the stokes get closer together. My assignment was to increase the temperature 200 degrees an hour. This isn't always the easiest thing to do. If you stoke to early you can overload the kiln with wood, it will go into reduction and the temperature can drop. If you stoke too late the temperature will start to drop pretty quickly and it can take some time to get it back up to where you had it.
I was hoping to show you all a better photo of stoking the kiln, but I can't seem to find my photos from the last firing, so this one will have to do. This is a photo of the stoke hole. About every ten minutes or so for 24 hours we have to throw a few handfuls of wood into the kiln. I was able to keep it up as stoke caller until about 10 p.m. and I had to pass the torch. I was exhausted. When I left to head home and let the doggies out the kiln was at 2100 degrees. Geno said the final temperature was about 2200 degrees. Ideally the temperature would get up to about 2300-2400, but 2100-2200 is good s long as we hold the temperature there for a few hours to even out the temperature throughout the kiln.
glowing pots
That's the exciting process of firing a wood kiln. Best to be fired in fall and winter because the kiln is 2200 degrees of radiating heat. LOVE IT!
We will unload on Wednesday, so more to come on the results. Happy Monday.













