The ignition was my problem too!
I couldn`t figure it out for about 2 days, I talk with Bill over at C&H and he walked me thru all the checks you do on the ignition module and the pickup.
Everything check out okay and my battery was reading 5.4 volts.
I went out to fly.....Aeroworks 29% Edge 540, and the same thing happened again 3 min. in flight and the engine cuts off.
Oh well, when I got back to my shop I pulled the cowl again and the spark plug wire. I rotated the prop sharft back and forth passed the pickup sensor and the spark was inconsistent.
I pulled the Ignition module off the plane and put a spare one on that I had, and all is well now.
The engine is back to its reliable self again.
C&H should be getting my old one in the mail for repair any day now.