Main shaft uses 4130 steel, and the main Bearings use are GRW hybrid ceramic bearings. Quantum Turbines uses new technology to make core engine parts, re-designed airflow, keep low fuel consumption and higher thrust conditions, the lower EGT will give engine long life. New design bearing cooling and lubricant system to keep the bearings cool and running smooth.
If you need high thrust high quality engines then Quantum Turbines Australia is your choice.
Quantum 14A Turbojet