Turbojet Propulsion Flight Testing Across Multiple Launchers

Kratos Defense & Security Solutions, Inc. and its turbine division, Kratos TDI, have qualified the TDI-J85 turbojet engine through multi-configuration flight testing for deployment in unmanned aerial systems, decoys, and cruise missile platforms.

Operational Challenges in Affordable Propulsion
Unmanned aerial vehicles and low-cost strike platforms require propulsion units that deliver consistent ignition dynamics across diverse release environments without high unit production costs. Integrating small gas turbine engines into rapid-deployment systems typically introduces operational constraints regarding ignition reliability at altitude, packaging volume, and mechanical shock tolerance during egress.

To address these technical hurdles, Kratos TDI directed engineering resources toward qualifying the TDI-J85 across mechanical architectures that replicate primary military deployment methods, ensuring uniform thermal and aerodynamic engine performance regardless of launch vehicle kinematics.

Technical Qualification Across Deployment Configurations
Flight trials evaluated the TDI-J85 engine across three operational configurations: lugged rail integration, palletized cargo release, and containerized surface-to-surface launch.

In lugged configurations, the engine demonstrated stable mechanical attachment and ignition performance from zero-length launchers and standard rails. Palletized testing confirmed startup characteristics and aerodynamic stability when deployed from cargo aircraft systems. Surface-to-surface trials verified ignition sequencing and acceleration profiles necessary for rapid-egress containerized munitions.

Engineering benchmarks targeted high-altitude starting envelopes and fuel efficiency metrics designed to extend operational loiter times and mission ranges.

Industrial Scaling and Manufacturing Execution
To support defense sector demand for mass-producible propulsion, Kratos established automated, high-rate manufacturing capabilities for its small turbojet portfolio, including the Spartan engine series. The production framework utilizes scaled component sourcing to minimize assembly bottlenecks.

"By pairing this operational success with a fully functional, high-rate manufacturing capability, we are transforming how the industry approaches affordable propulsion," stated Joseph Kovasity, Senior Vice President of Kratos TDI. "Kratos’ recent 3,000-engine component order for 2027 production and our path to 10,000+ engines annually by 2029 demonstrate our commitment to delivering mass and capability."

Procurement contracts for long-lead components have been finalized to construct over 3,000 engine units scheduled for 2027 delivery. The operational facility infrastructure is designed to reach an annual manufacturing throughput exceeding 10,000 units by 2029.

Edited by Evgeny Churilov, Induportals Media - Adapted by AI.

www.kratosdefense.com