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).
Table detailing theoretical and actual Peregrine brake linkage efficiency.
| Identifier | ExFiles\Box 1\10\ B001_X106 TO X 110-page008 | |
| Date | 14th October 1932 guessed | |
| PEREGINE BRAKE LINGAGE EFFICIENCY DIRECT TO REAR LOAD ON PEDAL [P] 37 65 125 160 200 EFFORT ON 12" LEVER ON CAM THEORETICAL [.235 X P] 8.7 15.3 29.4 36.0 47.0 ACTUAL 5 10 20 25 29 EFFICIENCY .575 .65 .68 .67 .61 SERVO TO REAR LOAD ON "T" LEVER AT 10" [P] 42 68 140 170 EQUIV. TO 170 ON PEDAL 170 EFFORT ON 12" LEVER ON CAM THEORETICAL [.208 x P] 8.75 14.1 29.1 35.4 ACTUAL 5 10 20 25 EFFICIENCY .57 .71 .69 .71 SERVO TO FRONT LOAD ON "T" LEVER AT 10" [P] 55 80 140 165 190 EQUIV TO 190 LBS ON PEDAL 190 EFFORT ON 12" LEVER ON CAM THEORETICAL [.208 x P] 11.5 16.6 29.1 34.3 39.6 ACTUAL 5 10 20 25 30 EFFICIENCY .43 .60 .71 .73 .76 | ||