By all means, keep flying. I think I can venture a guess at what happened, and all the theories offered so far would fit with this. It is a natural response for us to hold our breath when we are tense. The lack of oxygen brings on tunnel vision. Tunnel vision causes us to not see the ground or anything else, just the airplane. This is one reason you hear so many people say, after a crash, I don't know what happened. They really don't. When I first learned how to fly, my instructor got into the habit of saying Breeeeeeth, breeeeeeth, every time I came in for a landing, as landings really stressed me out. Now, many years later, I do the same for my students. It really is important. The best solution, is experience. Another recommendation I would have, is get into an airplane that is capable of hovering, that does not take a lot of altitude to recover. While this plane may seem a bit advanced for you right now, there is some rhyme to my reason. As you practice getting into a hover, the plane is going to fly in all sorts of attitudes, as it falls off to one side or the other or falls forward or backwards. The more you experience seeing your plane in strange attitudes, the less panic you will have. Panic and crashes go hand in hand. In my case, I used the Something Extra to help my confidence, but there are far less expensive planes out there to help you do the same thing for far less money. The Hangar 9 Twist is a good one, and the Tuff Flight 4D should be excellent, since it is designed to crash over and over again.

One last thing, I think there is a possibility that you didn't stall your wing, but possibly stalled your elevator. After executing your hammerhead, you probably added throttle to climb on the other side. As you approached the ground, at an elevated speed, you may have pulled too hard on the elevator. If your throws on the elevator are too great, the elevator could stall, causing the plane to suddenly drop its nose and dive for the ground. It looks just like many of the radio hits I have seen.

Good Luck, and Good Flying! If it is true that we learn from our mistakes, we are getting one heck of an education!

Andy