Power & Performance
Those special qualities that separate one sea-going vessel design from another. Performance specifications presented assume optimal operating conditions for HMS Onyx (S21).
2 x Admiralty Standard Range 16 (SR16) VMS diesel generators with 2 x Electric motors outputting 3,000 horsepower to 2 x Shafts astern.
Propulsion
12.0 kts
13.8 mph
Surface Speed
17.0 kts
19.6 mph
Submerged Speed
10,341 nm
11,900 miles | 19,151 km
Range