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).
Test report detailing lap times and adjustments for a T.T. Bentley at Brooklands on October 3rd, 1936.
| Identifier | ExFiles\Box 155\1\ scan0262 | |
| Date | 5th October 1936 | |
| To Rm.{William Robotham - Chief Engineer} X1320 Hs{Lord Ernest Hives - Chair}/GR.{George Ratcliffe}10/KW.5.10.36. T.T. Bentleys at Brooklands, Oct. 3rd 1936. B-106-GA. Practice Car (A) - Marchal headlamps. Fan belt removed. 4 laps not timed. 1 lap at 1 - 33.4/5 = 106.19 M.P.H. Water temp. too high. Fish tail removed; more clearance given on radiator stoneguard and shutters set for max. opening. 1 lap at 1 - 34 = 105.97 M.P.H. Water temp. too high. Mixture control set rich (centre of quadrant). 1 lap at 1 - 32.4/5 = 107.34 M.P.H. Stoneguard removed from radiator. 1 lap at 1 - 32.2/5 = 107.8 M.P.H. 1 " " 1 - 31.2/5 = 108.98 " (set rich). 1 " " 1 - 32.2/5 = 107.8 ". Total running 19 laps (6 timed). | ||