Looks like a gear

Today was a good day...  I worked on the forge for about 4 hours today and managed to get all of the waste material popped out.  After a few tests, I was able to work on three teeth per heat.  I would heat the piece and chisel three of the teeth from one side, reheat and then chisel from the other side to finish getting rid of the material.

This is at about 1/3 of the way done.



Chisel from one side.

(Notice the can hanging from the anvil.  Makes for quick cooling of the chisel between teeth.)




If you look carefully, you can see that after using the chisel on one side, the material has been forced out some.


Chiseling from the other side and the tooth easily pops out.



And then finally, I could not resist putting it in the frame to see how it would look.





  And once I got into the rythm of cutting the teeth, it was a very easy operation.  Most of the time spent today was just waiting for the piece to heat up.  I cannot say for sure that this is the way they did it in the middle ages but I have yet to see a faster or easier way to do it.