Well, my third HV85 died this evening. That's three in a week. This was the original one which reset to default settings a while back. I was flying this afternoon and noticed that the motor sounded a bit odd when I started it up for a flight. I can't describe it but it just sounded a bit different. I took off and made a few passes but it seemed down on power. I landed and thought "here we go again, maybe it changed settings". I hooked it up to castle link and read back the settings. All looked OK. I noticed that it still had v3.23 so I rolled it back to v3.2. I also uploaded settings again just in case.

I plugged the batts in and heard no beeps. Uh oh.. I tried to throttle up. Nothing. Dead.

It's starting to look like these are popping when I arm the ESC. I arm by first plugging in the pos wire then the neg. I've done that hundreds of times in the past. The only difference is that now I plug the esc directly to the batts. In the past I had another "jumper" inline with the neg wire for external arming.

I almost packed up and went home and blew off the drive to San Diego for the contest this weekend. But I had my Opto 90 and I dropped it in. All was well. I put in a couple flights, loaded the truck and drove to SD. I hope the trusty Opto 90 hangs in there

I have no idea what is going on with my HV85's. I've had great luck until now... I'll send all three in for service Monday.