| Built By: | Armstrong Whitworth (Tyne) |
| Build Group: | M |
| Fate: | Work was suspended at the time of the Armistces of WWI and cancelled shortly afterwards on 28/11/1918. Boat was launched in 1919 to clear slipway. |
Started life as K21
| 01-12-1916 | Laid Down |
| 20-07-1919 | Launched |
| Length overall | 295 ft 9 inch |
| Beam | 24 ft 8 inch |
| Depth | 18 ft 8 inch |
| Displacement | 1594 tons (surface) |
| 1946 tons (submerged) | |
| Diving Depth | 200 ft |
| Speed | Surface 16 knots (design) 10 (service) |
| Submerged 10 (design) 8 to 9 knots (service) | |
| No. of shafts | 2 |
| Propeller | 3 blades, 5 ft 10 inch diameter |
| Armament | (i) 4 x 18 inch bow tubes (8 torpedoes carried) |
| 1 x 12 inch gun | |
| 1 x 3 inch gun | |
| Endurance | Surface: 2500 miles at 16 knots (design) 2000 miles at full power or 4500 miles max (service) / Submerged: 10 miles at 10 knots (design) 9 miles at 8+ knots (service) |
| Complement | 6 Officers and 62 Ratings |
| Note | (i) In M3 these were replaced by four 21 inch bow tubes, which were responsible for an overall increase in length of 10 ft |
Further Reading |
|
| M-class Submarines |
Martin H. Brice |
The loss of the D3 was a tragedy in itself, due to the circumstances and the fact that it was close to the end of WW1.
An account of the development and use of the human torpedoes, semi-submersible and midget submarines mainly in WW2 but including some of the developments that took place in 1918, with many half tone photo ills. and brief accounts of many of the actions involving these craft
15 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 | 295 ft 9 inch |
| Beam | 24 ft 8 inch |
| Depth | 18 ft 8 inch |
| Displacement | 1594 tons (surface) |
| 1946 tons (submerged) | |
| Diving Depth | 200 ft |
| Speed | Surface 16 knots (design) 10 (service) |
| Submerged 10 (design) 8 to 9 knots (service) | |
| No. of shafts | 2 |
| Propeller | 3 blades, 5 ft 10 inch diameter |
| Armament | (i) 4 x 18 inch bow tubes (8 torpedoes carried) |
| 1 x 12 inch gun | |
| 1 x 3 inch gun | |
| Endurance | Surface: 2500 miles at 16 knots (design) 2000 miles at full power or 4500 miles max (service) / Submerged: 10 miles at 10 knots (design) 9 miles at 8+ knots (service) |
| Complement | 6 Officers and 62 Ratings |
| Note | (i) In M3 these were replaced by four 21 inch bow tubes, which were responsible for an overall increase in length of 10 ft |
Further Reading |
|
| M-class Submarines |
|
Martin H. Brice |
The loss of the D3 was a tragedy in itself, due to the circumstances and the fact that it was close to the end of WW1.
An account of the development and use of the human torpedoes, semi-submersible and midget submarines mainly in WW2 but including some of the developments that took place in 1918, with many half tone photo ills. and brief accounts of many of the actions involving these craft
15 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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