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).
Track tests at Brooklands detailing specifications and maximum speeds for various car models.
| Identifier | ExFiles\Box 155\1\ scan0039 | |
| Date | 28th July 1932 | |
| 88 To R.{Sir Henry Royce} From Ha/Rm.{William Robotham - Chief Engineer} c. to JS.{Mr Johnson's Secretary} Vor. c. to E.{Mr Elliott - Chief Engineer} By.{R.W. Bailey - Chief Engineer} c. to IN. Da.{Bernard Day - Chassis Design} Ha/Rm.{William Robotham - Chief Engineer}5/MJ.28.7.32. BROOKLANDS TESTS 26.7.32. PRESENT - Sg.{Arthur F. Sidgreaves - MD} Ph. Bn.{W.O. Bentley / Mr Barrington} Rm.{William Robotham - Chief Engineer} Tests were carried out on the Track on the following cars - Continental Phantom 11, Standard Synchromesh 20/25, 20/25 HP. with a J.1 head, Peregrine. SPECIFICATIONS. Peregrine. The specification of 'Peregrine' was exactly as tried at West WitteringHenry Royce's home town. Japan 1. The 25 HP. with the J.1 head was the same unit specification as 16-G4 now at West WitteringHenry Royce's home town except for a resonance silencer and two S.U. carburetters. The object of demonstrating this car was to show the performance we expect to get out of the J.1 head with the R.R. semi-expanding carburetter, which is the same size as the carb. for J.111 and is now being made. Continental P.11 and Synchromesh 20/25. As at present being sold to the public. MAXIMUM SPEEDS. C.O. Closed. Car. Lap Speed M.P.H. Peregrine. 70.95 71.76 Synchromesh 20/25. 68.98 (2 separate cars). 70. Cont'd........ | ||