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).
Blueprint graph detailing launching performance for a 10-inch drum, showing cable speed versus distance for various gear ratios.
| Identifier | ExFiles\Box 175\2\ img127 | |
| Date | 5th June 1941 guessed | |
| LAUNCHING 10" DRUM 2.225 2.53 2.96 2.96 RATIO 2.53 RATIO 2.225 RATIO SPEED CABLE SPEED MPH DISTANCE FT Y-AXIS: 20, 40, 60, 80, 100 X-AXIS: 500, 1000, 1500, 2000 | ||