Freewing Moray replacement spinner

My Freewing Moray* spinner cracked after one too many crashes and I was not able to source a replacement so I decided to design and print one.

I added some blades to the spinner backplane as I felt that it could do with a bit more cooling.

The result is as shown here. I was initially concerned about balance and strength but I have run it without a prop at maximum revs and it has been fine with no signs of either vibration or any distortion due to the centrifugal force.

I use two servo