Stuff happens. My Alpha 40 crashed yesterday, due to the RX battery failing. I had it charged, but either left the switch on sometime and didn't know it, or it is getting week. My major failing was not checking it at the field before flying. LIVE AND LEARN. The damage is mainly in the nose as it went straight into a steep dive. But, it is fixable with some new wood and ultracote. And, yes, the glue used to assemble it is mostly hot glue of some type as it is rubbery.