From the Rolls-Royce experimental archive: a quarter of a million communications from Rolls-Royce, 1906 to 1960's. Documents from the Sir Henry Royce Memorial Foundation (SHRMF).
Graph plotting speed and cable pull against distance for a launching system with a 12-inch drum.
| Identifier | ExFiles\Box 175\2\ img129 | |
| Date | 31th May 1941 guessed | |
| LAUNCHING V 12" DRUM SPEED MPH 100 80 60 40 20 CABLE PULL 2.325 Ratio SPEED PULL 2.325 Ratio DISTANCE 500 1000 1500 2000 | ||