| Name: | R 10 |
| Type: | Submarine |
| Keel: | 07/12/1917 |
| Launched: | 05/10/1918 |
| Completed: | 15/04/1919 |
| Builder: | Armstrong, Whitworth & Co Ltd |
| Yard: | High Walker |
| Yard Number: | 949 |
| Dimensions: | 508disp subm, 427disp surf, 163.75 x 15.5 x 11.6ft |
| Engines: | 1 x oil engine, 8cyl, 480hp; 2 x electric motors, 1200hp |
| Engines by: | North British Diesel, Glasgow |
| Propulsion: | 1 x Screw, 14.0knots subm, 9.5knots surf |
| Construction: | Steel |
| Armament: | 6 x 18.0ins torpedoes |
| History: | |
| 15/04/1919 | British Royal Navy |
| 19/02/1929 | Broken up |
| Comments: | Member of the Admiralty R Class of diesel-electric submarines |
| Designed to be faster when submerged than when on the surface | |
| The forerunner of the modern hunter-killer type of submarine | |
| 19/02/1929: Sold for breaking up by John Cashmore, Newport |
Above photo is courtesy of Photoship