| Built By: | Armstrong Whitworth (Tyne) |
| Build Group: | L3 |
| Fate: | Broken Up 1938 |
| Length overall | 238 ft 7 inch |
| Beam | 23 ft 6 inch |
| Draught | 13 ft 2 inch |
| Displacement | 914 tons (surface) |
| 1089 tons (submerged) | |
| Diving Depth | 150 ft |
| Speed | Surface 17 knots (design) |
| Surface 17 to 17.5 knots (service) | |
| Submerged 10.5 knots (design) | |
| Submerged 10.5+ knots (service) | |
| No. of shafts | 2 |
| Propeller | 3 blades, 5 ft 7 inch diameter |
| Armament | 4 x 18 inch bow tubes, 2 x 18 inch beam tubes (10 torpedoes carried). 1 x 4 inch gun |
| Endurance | Surface: 2800 miles at full power (design) |
| Surface: 2850 miles at full power or 3600 miles at half full power (service) | |
| Submerged: 14 miles at full power (design) | |
| Submerged: 14 miles at full power or 65 miles at 5 knots (service) | |
| Complement | 41 |
| Class: | 1930 - 1946: Grampus Class |
| Built By: | Vickers (Barrow) |
| Build Group: | G2 |
| Fate: | |
| Narwhal left Blyth on 22nd July 1940. On the afternoon of 23rd July, an aircraft reported attacking a submarine in the area where Narwhal should have been. Narwhal did not report again, it was assumed this attack sank the submarine with all hands. | |
The author relates his experiences as a submarine commander for the British Royal Navy during World War II, describing patrols in the North Sea and the Mediterranean and enemy attacks that made submarine operations the most dangerous of combat services
12 pages added or updated in the last 2 month
Please help to maintain this site by reporting any Errors, Broken Links, Information or Site Issues on this page using this button
If you find this site useful, please consider supporting my work with a small Donation.
Please Note: Donations made using this option go directly to the site owner and not to the Submariners Association.
Thankyou for your support.
| Length overall | 238 ft 7 inch |
| Beam | 23 ft 6 inch |
| Draught | 13 ft 2 inch |
| Displacement | 914 tons (surface) |
| 1089 tons (submerged) | |
| Diving Depth | 150 ft |
| Speed | Surface 17 knots (design) |
| Surface 17 to 17.5 knots (service) | |
| Submerged 10.5 knots (design) | |
| Submerged 10.5+ knots (service) | |
| No. of shafts | 2 |
| Propeller | 3 blades, 5 ft 7 inch diameter |
| Armament | 4 x 18 inch bow tubes, 2 x 18 inch beam tubes (10 torpedoes carried). 1 x 4 inch gun |
| Endurance | Surface: 2800 miles at full power (design) |
| Surface: 2850 miles at full power or 3600 miles at half full power (service) | |
| Submerged: 14 miles at full power (design) | |
| Submerged: 14 miles at full power or 65 miles at 5 knots (service) | |
| Complement | 41 |
| Class: | 1930 - 1946: Grampus Class |
| Built By: | Vickers (Barrow) |
| Build Group: | G2 |
| Fate: | |
| Narwhal left Blyth on 22nd July 1940. On the afternoon of 23rd July, an aircraft reported attacking a submarine in the area where Narwhal should have been. Narwhal did not report again, it was assumed this attack sank the submarine with all hands. | |
The author relates his experiences as a submarine commander for the British Royal Navy during World War II, describing patrols in the North Sea and the Mediterranean and enemy attacks that made submarine operations the most dangerous of combat services
12 pages added or updated in the last 2 month
Please help to maintain this site by reporting any Errors, Broken Links, Information or Site Issues on this page using this button
If you find this site useful, please consider supporting my work with a small Donation.
Please Note: Donations made using this option go directly to the site owner and not to the Submariners Association.
Thankyou for your support.

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