Work on GR220 is progressing very slowly now, other priorities in life at the moment. The engine had a few runs now but did not perform as I hoped for. I only reached 210N thrust with cool temperatures, I need a bigger compressor and the search is on. My goal is to reach at least 220N, possibly going for 250N which this compressor is not able to deliver. Had a rear bearing seizure few weeks ago with lots of damage which stopped testing. All repaired now and ready for next run, still with old compressor though. No promises for drawings very soon, can't release anything until I'm sure it's safe and ready and with required power.
I indeed use Gaspar Espiels Fadec from Xicoy which is in my opinion absolutely the best.
Here some pic's until now
