Kammala jumla mai zuwa: An haifi Eberspächer a ranar 18 ga Nuwamba 1915 a Tübingen, a wancan lokacin wani ɓangare na Masarautar Württemberg, jihar tarayya ta Daular Jamus. A shekara ta 1934 ya ba da kansa don aikin soja a cikin Reichswehr, kuma ya yi aiki a cikin wani rukunin bincike na soja. A lokaci guda tare da aikin soja ya yi karatun injiniyan injiniya a Jami'ar Stuttgart. Bayan kammala karatunsa a 1939, an canza shi zuwa Luftwaffe. Daga Yuli 1940 zuwa Janairu 1943 ya yi aiki tare da 7.("Fernaufklärungs"-) "Staffel" na "Lehrgeschwader" 2 (7th Long Range Reconnaissance Squadron of the 2nd Demonstration Wing) a duka
Yammacin Yammaci da Gabas. Daga nan sai ya canza zuwa rawar da aka kai a kasa, kuma daga watan Maris na 1943 ya yi aiki tare da "Schnellkampfgeschwader" 10 (SKG 10<unk>10th Fast Bomber Wing), yana tashi da jirgin sama mai saukar ungulu a kudancin Ingila da kuma ayyukan anti-shipping a cikin Turanci Channel. An daukaka shi zuwa matsayin "Hauptmann" (kaftin) a ranar 1 ga Mayu 1944 kuma an nada shi a matsayin "Staffelkapitän" (shugaban rundunar) a Kurt Dahlmann's I./SKG 10 (1st Group).