Asking here is not the right place, Open-TX.org would be the right place. However I do know the answer and it is no. The memory foot print is too small.
However if we can get a copy of the circuit diagram to Mike-B of the ER9X project then that might be a possibility. ER9X is where OpenTX came from but in my opinion it is better. It has proper model templates including for helis, it has a better menu structure. I think the biggest challenge would be internal 4in1 module, i don't think that would work but an external one would.
