My clock made it through Pennsic! Through rain, hail, lightning, wind, dust, rust, mud etc! It was a big hit! So much fun bringing something not many people have seen or even knew about before! Now I feel like I have to out-do myself for next year....no ideas....
**Edit 8-26-12 Thanks to Cateline la broderesse of the East Kingdom for another pic at the A+S display
Dear Adam along with congratulations for your work, I would ask how you determined the diameters of the wheels and the number of teeth. Furthermore, with regard to the drive system of the bell, touches once an hour?
ReplyDeleteI hope your comments
Greetings.
M. Verdessi
First I decided what the space between the teeth of the gear would be. I choose 1/4 inch to make it easy for myself. As long as all your gears that interact with each other have the same tooth spacing they will mesh correctly. I had already decided on the gear ratios by playing with it on paper, just lots of guessing, but now with the Almanus manuscript I could use 'real' gear ratios that were used in 1470.
DeleteThe first wheel I cut had 72 teeth on it, so I took a thin strip of metal and marked out 72 one quarter inch marks, these would be the tooth centers. This made a strip 18 inches long, which I bent into a circle and soldered. This was the wheel shape/size. The space of the teeth determines the size of the wheel.
http://3.bp.blogspot.com/-jk_v3pOfkkI/TyYR3-mJuGI/AAAAAAAAAEM/-nboI1_Kw6g/s1600/100_1401.JPG
DeleteYou can see my template in this picture