RE: What is up with Castle Creations?
I had to send back both of my ESC's. One was being used in my contest plane, a year or so of perfect operation. The other was NIP. It was frustrating to take the brains out of my favorite plane, but Castle replaced it and now I have a new unit.
I will no doubt buy more ESC's from them. Their service is great and their products work very well. It's a shame they had the issue, must have cost them tens of thousands of dollars, but they owned up to it and made it right.