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).
Performance test results for car B 56 BN at Brooklands Track, including lap times, speeds, and engine settings.
| Identifier | ExFiles\Box 83\4\ scan0146 | |
| Date | 20th March 1936 | |
| X7642 Lillie Hall to W. HS{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} GWH{George W. Hancock - Head Chateauroux}2/L/20.3.36. B 56 BN.{W.O. Bentley / Mr Barrington} We ran the car on the Brooklands Track yesterday. The following are the results obtained using Shell No. 1 petrol. 1/2 mile 20 secs. = 90 m.p.h. Engine revs 4,250. Laps. 1st 1 min. 52.1/5 secs. 88.78 m.p.h. 2nd 1 min. 52.1/5 secs. 88.78 m.p.h. 3rd 1 min. 51.4/5 secs. 89.09 m.p.h. 4th 1 min. 51.4/5 secs. 89.09 m.p.h. Valve timing checked; valves setting 004.006 I o I c E o E c 6° BTDC. 52° ABDC. 52° BBDC 5° ATDC. Ignition 1/8" before B.A.1. [Signature of G.W.Hancock] Hs{Lord Ernest Hives - Chair}/G.W.Hancock. | ||