Throttleable Liquid Propulsion Demonstrator (TLPD) is a prototype liquid-propellant rocket engine being developed by ESA.[1][2]
It uses storable propellant: hydrogen peroxide and ethanol. The engine has a nominal thrust of 5 kN, and using a pintle injector, the thrust can be varied between 20% and 110%.[1]
The development program is part of ESA's Future Launchers Preparatory Program.[1]
Test firings were done in 2024.[2]
References
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