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 showing Peregrine brake linkage efficiency test results.
| Identifier | ExFiles\Box 179b\2\ img014 | |
| Date | 14th October 1932 guessed | |
| PEREGRINE BRAKE LINGAGE EFFICIENCY DIRECT TO REAR LOAD ON PEDAL [P] EFFORT ON 12" LEVER ON CAM THEORETICAL [.235 x P] ACTUAL EFFICIENCY 37 8.7 5 57.5 65 15.3 10 65 125 29.4 20 68 160 36.0 25 67 200 47.0 29 61 SERVO TO REAR LOAD ON "T" LEVER AT 10" [P] EFFORT ON 12" LEVER ON CAM THEORETICAL [.208 x P] ACTUAL EFFICIENCY 42 8.75 5 57 68 14.1 10 71 140 29.1 20 69 170 35.4 25 71 EQUIV. TO 170 ON PEDAL SERVO TO FRONT LOAD ON "T" LEVER AT 10" [P] EFFORT ON 12" LEVER ON CAM THEORETICAL [.208 x P] ACTUAL EFFICIENCY 55 11.5 5 43 80 16.6 10 60 140 29.1 20 71 165 34.3 25 73 190 39.6 30 76 EQUIV. TO 190 LBS ON PEDAL | ||