The book recommends turning the threads off the diffuser securing screws where they pass through the diffuser air passages and fairing them in with epoxy (so that they don’t interfere with the airflow). I reckoned I could get a stronger result, with less disturbance of the airflow by making some flatted studs instead. I made…
Jet Engine
Home made gas turbine jet engine to the design in the book by Thomas Kamps.