Sorry for not posting the link. Thanks for doing it Jeff.
Jeez Bruce you really are a nag.

I posted an exploded view there now. I will go through the photos (I did take lots) and work up a little WIP and post it over the next few days.
The spring for the hammer is a section of a large spring I have. and I used two pieces back to back. I will show that in the photos to show what I mean. I can see why you went to the system you did, as it is hard to tell whether the spring is right until you fire some caps.
The barrel is a smoothbore, I don't yet have a way to rifle barrels, and smoothbore is appropriate for this type of gun.
I have only fired the barrel, with a fuse. Like a cannon. I will fire it soon, and take photos.
Thanks for pushing me around Bruce!
As I was gathering my photos I found the ones of Brutus. I took a picture of my wife holding it in Portland. Very cool!
Thanks
Alden