Kumulus is the name of a rocket of the "Hermann-Oberth-Gesellschaft e.V.". The first Kumulus rocket was launched on December 20, 1960, near Cuxhaven. A Kumulus rocket is on display at the Hermann Oberth Space Travel Museum in Feucht. Technical data Diameter: 15 cm Length: 3 m Thrust: 5 kN Maximum height: 20 km Payload: 5 kg (for 20 km altitude) Launch mass: 60 kg Mass without fuel and payload: 28 kg Rockets and missiles