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).
Data table comparing theoretical and actual performance and efficiency of the pedal cross shaft, rear brake equalizer, and front brake equalizer.
| Identifier | ExFiles\Box 179b\2\ img015 | |
| Date | 17th October 1932 guessed | |
| PEDAL CROSS SHAFT LOAD ON PEDAL [P] 110 145 175 INPUT TO SERVO THEORETICAL [.301 P] 33.1 43.6 53.0 ON 12" LEVER ACTUAL 30 40 50 EFFICIENCY 90.5 92 94 REAR BRAKE EQUALIZER INPUT AT 12" [P] 17 30 40 56 62 83 EQUIV. TO 200 LBS ON PEDAL 100 OUTPUT AT 12" THEORETICAL [.5 P] 8.5 15 20 28 31 41.5 50 OUTPUT AT 12" ACTUAL 5 10 15 20 25 30 35 EFFICIENCY 59 66 75 72 81 72 70 FRONT BRAKE EQUALIZER INPUT AT 12" [P] 31 52 65 81 OUTPUT AT 12" THEORETICAL [.5 P] 15.5 26 32.5 40.5 OUTPUT AT 12" ACTUAL 10 20 25 30 EFFICIENCY 64 77 77 74 | ||