Power & Performance
Those special qualities that separate one sea-going vessel design from another. Performance specifications presented assume optimal operating conditions for HMS Alliance (P417/S67).
2 x Vickers 8-cylinder supercharged diesel engines developing 2,150 horsepower; 2 x Electric motors generating 625 horsepower.; 2 x Shafts astern.
Propulsion
18.5 kts
21.3 mph
Surface Speed
8.0 kts
9.2 mph
Submerged Speed
10,515 nm
12,100 miles | 19,473 km
Range