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 winch pull in cable (lbs) against different gear ratios.
| Identifier | ExFiles\Box 175\2\ img128 | |
| Date | 5th June 1941 guessed | |
| WINCH GEAR RATIO PULL .96 RATIO PULL IN CABLE LBS START OF RUN Y-Axis Values: 2000, 1750, 1500, 1250, 1000, 750, 500, 250 X-Axis Values: 3000, 3250, 3500, 3750, 4000, 4250, 4500 | ||