Italeri's 1/35 scale Typ. E 100 Schnellboot. Schnellboot or S-boot ("fast craft") is the designation for Motor Torpedo Boats of the German Navy since 1932. In particular it applies to that type of Boat that saw service during World War II. The Schnellboot was then called an E-boat by the Allies; it is commonly held that the "E" stood for "Enemy" , but it is possible that it stood for "Eilboot" ("hurry boat").