This one shoulda been added long ago me thinks
http://www.militaryfactory.com/ships/detail.asp?ship_id=Schnellboot-SBootSchnellboot (S-Boot)
Motor Torpedo Boat
Country of Origin: Nazi Germany
Initial Year of Service: 1932
Operators: Nazi Germany; United Kingdom
Crew: 30
Length: 114.7 ft (34.96 m)
Beam: 17.3 ft (5.27 m)
Draught: 5.5 ft (1.68 m)
Displacement: 100 tons
Machinery: 3 x Daimler-Benz MB 501 20-cylinder diesel engines delivering 3,960 horsepower.
Surface Speed: 43.8 kts (50 mph)
Range: 920 miles (1,481 km)
Armament:
2 x 533mm (21-inch) torpedo tubes (4 torpedoes)
1 x 40mm Bofors anti-aircraft cannon amidships
1 x 20mm anti-aircraft cannon in single or double mounting held aft.
OPTIONAL:
1 x 40mm Bofors anti-aircraft cannon at forecastle.
1 x 2cm Flakvierling anti-aircraft gun in quad mounting.
Varying number of MG34 General Purpose Machine Guns for anti-aircraft defense as required.
And for anyone interested in the detailed plans
http://www.prinzeugen.com/Plans.htm