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 sheet detailing the efficiency calculations for the pedal cross shaft, and rear and front brake equalizers.
| Identifier | ExFiles\Box 1\10\ B001_X106 TO X 110-page009 | |
| Date | 2nd November 1932 guessed | |
| PEDAL CROSS SHAFT LOAD ON PEDAL [P] 110 145 175 INPUT TO SERVO ON 12" LEVER THEORETICAL [.301 P] 33.1 43.6 53.0 ACTUAL 30 40 50 EFFICIENCY .905 .92 .94 REAR BRAKE EQUALIZER INPUT AT 12" [P] 17 30 40 56 62 EQUIV. TO 100 LBS ON PEDAL 83 100 OUTPUT AT 12" THEORETICAL [.5 P] 8.5 15 20 28 31 41.5 50 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 ACTUAL 10 20 25 30 EFFICIENCY .64 .77 .77 .74 | ||