Type: motor torpedo boat 
Displacement: 100 tons (max)
78.9 tons (standard) 
Length: 32.76 m 
Beam: 5.06 m 
Draught: 1.47 m 
Propulsion: 3x Daimler Benz twenty-cylinder diesel engines MT 502; 3,960 hp 
Speed: 43.8 knots 
Range: 800 nm at 30 knots 
Complement: 24-30 
Armament: 2x 533 mm torpedo tubes (4 torpedoes)
1x 20 mm C/30 cannon (later two)
8x 7.92 mm machine guns alternatively
6 mines 
Variants
The Schnellboot design evolved over time. The first had a pair of torpedo tubes on the fore deck. Types were:-
S-26 class 
Entered service in 1940. 40 m hull. Torpedo tubes covered by forward deck. 
S-30 class 
S-38 class 
S-38b class 
Improved 38 class with armoured bridge. 
S-100 class 
From 1943. 2 x 20 mm gun amidships and 37 mm gun aft. 
S-151 class 
Type 700 
late war design proposal with stern torpedo tubes and 30 mm gun turret forward. 8 boats built, but completed to S-100 design specification