Aviation 91 Spring 2025 Homework Assignment #6: March 11, 2025 Due: March 20 1. What determines the amount of thrust produced by a turbine engine (turbofan or turbojet)? 2. What is one of the key improvements in the GE9X, what performance parameter does it impact, and how does it increase performance of the engine? 3. What is a significant reason why you would gear the fan on a turbofan? Bonus (10 points): What is a disadvantage of doing so? 4. Why is a reverse flow or "folded" annular combustor used on some small turbofans? Bonus (10 points): What is a disadvantage? 5. Why are centrifugal compressors used as the last stage on m