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 comparing the cooling performance and lap speeds of a Chrysler against a Phantom II and other trial cars.
| Identifier | ExFiles\Box 29\3\ Scan273 | |
| Date | 25th August 1930 guessed | |
| COMPARISON CHRYSLER AND ROLLS-ROYCE COOLING. 60 M.P.H. Top Water Temp. (1) Phantom 11 Std. Radiator. Fan Choc. All closed. 77° C. Four shutters open. 71° C. (2) Chrysler. Louvred Bonnet. 73° C. 30 M.P.H. No comparative tests taken as Chrysler would not run full throttle continuously at this speed due to Autovac failure. 45 M.P.H. FULL THROTTLE. (1) Phantom 11 Std. Radiator. Fan choc. All closed. 92° C. Four shutters open. 85° C. Louvred Bonnet. 82° C. (2) Chrysler 75. Louvred Bonnet. 82° C. (3) 25 HP. Std. Condition. No ventilation. 92° C. SPEED. LAP SPEED: Phantom 11. 82.5 C.O. Open. Chrysler 66.9 M.P.H. GX.O.15. Latest 5.25 C.R. Trials Car. 64.26 M.P.H. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} | ||