Finished not one - but two new abstracts for research to be presented at AIAA Sci-Tech 2026. More detail to come, but you can check them out here:
link to article 1: https://www.researchgate.net/publication/390393177_Abstract_The_Turbo_Rocket_Jet_Cycle_-_A_681_thrust-to-weight_combined_cycle_air-_breathing_propulsion_system_using_storable_propellants
link to article 2: https://www.researchgate.net/publication/390398576_Abstract_The_Aero_Derivative_Reactivity-Controlled_Compounded_Internal_Combustion_Engine_Cycle_Achieving_Near-Carnot_Efficiencies_for_Medium_and_Heavy-Duty_Applications