I have been flying rc for 50 years. I need a new challenge. I would like to learn to fly 3d to whatever extent my flying skills are capable of. I don't currently have a suitable 3d airplane. I assume that a lot of the learning (and crashing ) can be done on a good flight simulator, which I also don't currently have. Untill I get a 3d capable airplane is there a simulator or simulators that I can learn on ?