RocketStar Aerospike Engine
Miles Space / RocketStar
Patent-pending 3D-printed aerospike rocket engine producing 25-35% more thrust than conventional bell-cone engines with built-in thrust vectoring.
Technical specifications
- Thrust gain vs. bell-cone
- 25-35% more thrust, no extra fuel
- Performance gain
- ~20% better than conventional rocket engines
- Thrust vectoring
- Individually controlled combustion chambers; no gimbals/actuators needed
- Altitude compensation
- Adjusts to changing atmospheric pressure at any altitude
- Manufacturing
- 3D-printed, patent-pending design
- Reusability
- Target turnaround ~2 weeks between flights
About
RocketStar’s Aerospike Engine is a patent-pending, 3D-printed reusable rocket engine designed as an alternative to the bell-cone engines the launch industry has used for roughly 70 years. Unlike bell-cone designs, the aerospike geometry automatically compensates for changing atmospheric pressure, delivering consistent performance from sea level to vacuum and providing 25-35% more thrust than conventional engines without additional propellant. Its multiple combustion chambers can be throttled individually, giving the engine built-in thrust vectoring and eliminating the need for heavy gimbals or actuators. RocketStar reports the design performs approximately 20% better than conventional rocket engines and is intended to support rapid reusability, with target turnaround of roughly two weeks between flights for RocketStar’s planned single-stage-to-orbit (SSTO) launch vehicles.
Documentation
No public datasheet yet — request the datasheet / ICD from the supplier.
