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).
Graph showing engine performance tests conducted at Brooklands in August 1931.
| Identifier | ExFiles\Box 181\M9\ img011 | |
| Date | 1st August 1931 | |
| 12 GIV BROOKLANDS TESTS AUG 1931 R.M.27 CHINA UNIT 112I SHAFT CO OPEN HIGH LIFT ROCKERS 5.65 C/R S.U. H.V.5. CARB. 11/50 AXLE RATIO STD 15% LARGER B.H.P 76.62 MPH 73.45 MPH M.E.P NO HOT SPOT INDUCTION DEPN. INS. HG. THRO BLOCK CARB SIDE OF BLOCK R.P.M M.P.H. | ||