MakerBot Print is our newest print-prepration software, which supports native CAD files and STL assemblies,
allows you to interact with all your printers via the Cloud, and many other exciting new features.
You are correct, only power from one is necessary. That said, I have updated the wiring diagram with your input. Did a little research and it seems it really depends on the ESC/BEC you are using (linear voltage regulators and such...I'm not an EE). Glad you are enjoying it!