Launcher Engine-2 will be the highest performance engine in the small satellite launcher class—with the largest thrust, lowest propellant consumption and lowest cost per-pound of thrust.
Generating 10 tonne-force of thrust per engine (22,000 lbf), four Engine-2 liquid rocket engines will power the first stage of Rocket-1. A fifth vacuum-optimized Engine-2 engine will power the second stage.
Engine-2, or E-2, is also available for sale to commercial and government customers for integration with their own launch vehicles.
How will E-2 reach its high-performance target? By applying orbit-proven engine design, 3D printing in copper alloy and leveraging the 30+ years of experience of Launcher’s Chief Designer with the highest performance oxidizer rich staged combustion engines.
E-2 is currently in active development, with more than 100 tests of the sub-scale Engine-1 validating its path to industry-leading performance levels. Our first full-scale test is scheduled for early 2020.
PROVEN DESIGN CHOICES:
Kerosene (RP-1) & liquid oxygen (LOX) propellants
Closed cycle (oxidizer rich staged combustion)
High combustion pressure (1,400psi)
Optimal oxidizer / fuel mixture ratio (2.62)
Unique dual-propellant cooling (liquid oxygen for the throat and cylinder, kerosene for nozzle)
Copper alloy as combustion chamber material (CuCrZr)
Licensed orbit-proven liquid oxygen pump design
Performance: 365s specific impulse (Second stage nozzle). First stage nozzle - 327s vacuum, 290s sea level
3D PRINTED IN COPPER ALLOY
Reduces cost, complexity and manufacturing lead time for most parts, including the combustion chamber, injector and turbopump.
Before scaling to the full-size E-2 engine, Launcher is proving its design and 3D printed materials on the sub-scale version Engine-1, or E-1. Launcher has performed over 100 tests of E-1 at our dedicated test site.
Thanks to Launcher’s design, the use of 3D printed copper alloy, and our unique liquid oxygen cooling system, our E-1 sub-scale engine is so efficient (over 98%) that it produces a blue exhaust plume—unprecedented for kerosene engines.
Proven for over 15 minutes of test time at the highest performance combustion mixture ratio between liquid oxygen and kerosene - 2.62.
Proven in both kerosene cooled and liquid oxygen cooled version.