This question continued to bug me after writing the note above. I thought I had read somebody that knows a lot more about this than I do was using this process, so I did some searching. Here ya go..... posted a little over a year ago. Re-reading this makes me MUCH more comfortable running a single battery setup - or running from the receiver buss on a dual battery setup. Do as you like...

http://www.rcuniverse.com/forum/m_98...m.htm#10166524