Regia Marina — Submarine
Italian submarine Smeraldo
- Displacement
- 680 long tons (691 t)
- Length
- 60.18 m (197.4 ft)
- Beam
- 6.45 m (21.2 ft)
- Speed
- 14 knots (25.9 km/h, 16.1 mph)
- Main gun
- 100 mm (3.9 in)
Service
- as Smeraldo? — September 1941758 days of the war
Sirena-class submarine
Particulars
- Name
- Smeraldo
- Builder
- Cantieri navali Tosi di Taranto, Taranto
- Laid down
- 1931
- Launched
- 27 July 1933
- Fate
- Lost, September 1941 (1941)
- Status
- Wreck
Specifications
- Displacement, surfaced
- 680 long tons (691 t)
- Displacement, submerged
- 837 long tons (850 t)
- Length
- 60.18 m (197.4 ft)
- Beam
- 6.45 m (21.2 ft)
- Draught
- 4.7 m (15.4 ft)
- Speed
- 14 knots (25.9 km/h, 16.1 mph)
- Range
- 5,000 nmi (9,260 km)
- Main gun
- 100 mm (3.9 in)
Smeraldo was a Sirena-class submarine built for the Regia Marina. Cantieri navali Tosi di Taranto, Taranto laid her keel in 1931. She was launched on 27 July 1933.
Her class ran to twelve ships. The class followed the Argonauta-class submarine and was succeeded by the Perla-class submarine.
The boat displaced 680 long tons surfaced and 837 long tons submerged. She measured 60.2 m (197 ft) long with a beam of 6.5 m (21 ft). Her designed speed was 14 knots.
Her main battery was one 100 mm (3.9 in) guns. 1,350 bhp drove two shafts.
She was in commission for 758 days of the Second World War.
She was sunk in September 1941. The wreck survives.
Written from the harvested record. Every figure above is sourced; the wording is this site's own.
Armament and machinery
Armament and machinery
- Propulsion
- 2 shafts; diesel-electric
- 2 × diesel engines
- 2 × electric motors
- Power
- 1350 bhp (diesels)
- 800 hp (electric motors)
- Armament
- 1 × single 100 mm deck gun
- 2–4 × single 13.2 mm machine guns
- 6 × 533 mm torpedo tubes (4 bow, 2 stern)
Sister ships
Sources
- Facts harvested from Italian submarine Smeraldo on Wikipedia. Figures only — no wording is taken from it.