A few weeks after the model flew it was taken to California where it was flown at the Vertical Challenge event. The following pictures are from that event.
Don't take the biscuit Len!
Peter Jakadofsky who developed the turbine had got his sums right - the tail response was very strong In fact it was that lively, I put in 55% exponential into the transmitter. This made the J10 very smooth and the challenge was successfully completed.