Here is a quick sketch... Hopefully it makes sense. The firebox opening is an irregular shape with a small lip at the bottom to prevent anything running into the firebox.
The lid cooking chamber door actually is not bad at all. I extended the handle past the left side to make it easy to reach. You can lift it easily with one arm.
The lid cooking chamber door actually is not bad at all. I extended the handle past the left side to make it easy to reach. You can lift it easily with one arm.