"Which part of the flight controller is actually running on the FPGA? And how much does it save? Because at the moment I believe the main limitation is memory and not CPU time."

"Awesome! So if Germany makes it to the finals you can do a lot more testing!"

"I’ve been able to reflash the CX-10 with a similar method. http://www.bartslinger.com/cx-10-quadcopter/hardware-preparations/
Firmware for the CX-10 is made by Samuel Powell and is available on github: https://github.com/samuelpowell/cx10_fnrf"