SRL is pursuing new advancements in propulsion technology through two liquid engine development programs:
Jalapeño:
- 500lbf thrust
- ISP: ~270s sea level
- Fuel: Kerosene
- Oxidizer: Liquid Oxygen
- Additively manufactured Inconel injector
- Composite nozzle
Reaper:
- ISP: ~320s sea level
- Fuel: Liquid Methane
- Oxidizer: Liquid Oxygen
- Additively manufactured copper alloy nozzle and injector
- First iteration: pressure fed
- Second iteration: open-cycle turbopump

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