Hello Bruce.
Happy to help.
Regarding the chart you are seeking, some motor manufacturers do publish a chart, cobra and scorpion being one....
Search p-calc/brutanas on Google, and you should get to a program that has some older motor and battery and prop combinations, and you can play with that and see how changing the battery number of cells effects the amperage, thrust, rpm, etc.
Just remember that watts = power (essentially), and there's no substitute for not enough.
A handy equation is Volts x Amps = Watts (not taking into account losses for inefficiencies).
If you have a certain number of watts needed to fly your plane, say 500w, and you have a 10v battery, you're going to need to draw 50 amps to get you there.
The same motor with twice as many cells, at 20v, will give you 500w when you draw 25 amps.... but in these radical examples, the rpm and prop sizes will be very different. The low voltage setup would need a pretty large prop, and the high voltage setup a much smaller prop....
I'll see if I can find you a link to the p-calc program.
A watt meter, that plugs in between the battery and ESC, is a very helpful bench test tool for any e power flying.
Regards,
Chris