I'm asking this question because I had a few occasions where I could not hover in the AV-8B after flying a little mission. For example, I was practicing dogfighting with a friend, after 20 minutes or so, my fuel tank was almost empty, I had no other stores, so I wanted to try and land on a building. I had my water injection set to landing, all settings were correct, but my plane could just not hover, it was exceeding the exhaust temperature constantly, and water injection was not turning on. I had this 2 or 3 times that day, but during some other flights I had no issues with VTOL.
My only theory is, is that I damaged my engines during a few minutes of high throttle (because of the dogfighting) and this might be why I was getting such high engine temperatures.
Can anyone perhaps enlighten me on this? Do you have similar experiences?