Johann "Hannes" Hagenauer (HAGI GmbH) takes off in good spirits from the single-engine plane (WT9) that brought him from St. Pölten to the Allgäu. "You have to take advantage of synergies when they arise," he says, pointing to his pilot Alois, who is enjoying collecting a few flying hours. Hagenauer, a foundry and industrial engineer, meets up with Foundry-Planet for a summer interview to talk about his…