News
Progress on the E2 engine, the vehicle and our test site, from first component tests to the first hover flight.
Propulsion
November 2, 2026
Before any propellant flows, we spray water through the injector and photograph it against a backlight to see how it atomises.
GNC
Hopper has no fins and flies too slowly for aerodynamic control. Everything that keeps it upright comes from tilting one engine by a few degrees. This is how we sized that system before building it.
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HOPPER
Hopper is a project of Space Team Aachen e.V., the student association for spaceflight at RWTH Aachen and FH Aachen.
