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).
Blueprint graph of full throttle Brake Horsepower curves measured on a Springfield traction dynamometer.
| Identifier | ExFiles\Box 50\3\ Scan275 | |
| Date | 14th January 1924 | |
| FULL THROTTLE. B.HP. ON SPRINGFIELD TRACTION DYNAMOMETER SOLID LINE - Hot throttle with exhaust blowing straight thru jacket. Boilers on. DOTTED LINE - Hot throttle. Cock turned off, exhaust cannot blow thru jacket. Boilers on. Loaded up at 500. BROKEN LINE - Standard Springfield scheme. Power was no good below 750 as engine loading up. THE FREDERICK POST CO. CHICAGO-NEW YORK NO. 346 B T Jan. 14, 1924 L.M.C. | ||