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 trial results from Montlhéry for a Paulin Bentley and a Standard Car.
| Identifier | ExFiles\Box 161\1\ scan0153 | |
| Date | 30th July 1938 | |
| 1380 also 1245 30.7.38. TRIALS ON MONTLHERY. SECS. K.P.H. M.P.H. Paulin Bentley. (1) Initial Run Fan on. C.O. open 58-3/5 150.0 97 58-2/5 157 97.5 (2) CO. Closed 59-3/5 153 95.0 59 155 96.4 (3) Repeat (1) C.O. open 58-3/5 156.54 97.4 58-2/5 157.083 97.5 58 158.166 98.2 (4) C.O. open. Fan off. 57-2/5 159.819 99.2 56-4/5 161.508 100.25 56-3/5 162.078 100.6 (5) Fan off. Rad. blanked C.O. Open 57-1/5 160.378 99 57 160.941 100 56-4/5 161.508 100.5 (6) C.O. Open. Fan Off. Rich Mixture 56-2/5 162.65 101 55 166.793 103.5 (7) No fan. C.O. Open No bonnet 55-2/5 165.589 102.9 55-2/5 165.59 102.9 (8) Fan On. C.O.open No undershield 56-3/5 162.078 100.6 57-2/5 159.81 99.2 (9) Wings Built Up Fan On. C.O. Open 56-4/5 161.5 100.5 56-3/5 162.08 100.6 Sr's Standard Car - B.35.KU. (1) C.O. Closed, Fan on. 63-1/2 144.3 89.8 63-1/5 145.1 90.02 (2) C.O. Closed. Fan off. 62-4/5 146 90.6 To convert K.P.H. to M.P.H. multiply by .6214. BASIC RESULTS. (1) Opening C.O. increases the speed 2.0 M.P.H. (2) Removing fan increases the speed 2.7 M.P.H. | ||