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 cable pull in pounds against run distance in feet for a gear ratio test.
| Identifier | ExFiles\Box 175\2\ img138 | |
| Date | 1st January 1941 | |
| GEAR RATIO PULL 96 DATA START OF RUN FT 3000 3500 4000 4500 5000 PULL IN CABLE LBS 7.00 5.00 2.50 P.S./41 | ||