Rocket stage with liquid propulsion system

The stage rocket has a tank (3) for separate storage of fuel and oxidant. A portion (2b) of an engine thrust stand (2) is arranged inside the tank. The portion of the engine thrust stand is formed within the tank in a completely closed manner such that regions (I, II) are formed in the tank for storage of the fuel components, where the regions are separated from each other. Fuel handling equipments (5) are arranged inside the tank and provided with guide plates (5a). The engine thrust stand is connected with a primary structure (1) by an outer conical ring (2a).