​Thanks Jonathan, I will run the script and see what I am able to do. Irving's spreadsheet was a good place to start. Although my machine doesn't quite fit the profile the sheet expects, I was able to gain a sense of what factors where critical to the design/specifications of the machine.

Should you do decide to write the additional script, it would be interesting to see the distinction between the projected and real world examples. This is v.1, so knowing the maximum top speed at which the machine is able to provide sufficient torque to cut particular materials would help with v.2. The gear ratio on v.1 is just an informed guess and now the holes are drilled, there's no way back! ​