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 comparing Horsepower per Ton at various road speeds for the China, Peregrine, and Lanchester models.
| Identifier | ExFiles\Box 1\8\ B001_X100 Engine Chassis-page202 | |
| Date | 16th July 1932 guessed | |
| H.P. AVAILABLE / TON AT VARIOUS ROAD SPEEDS R M PR.{Percy H. Rose} 13. CLUTCH B.H.P./TON OPEN EXHAUST COMPARISON OF CHINA (EXISTING 25) LANCHESTER AND PEREGRINE M.P.H. CHINA 35.5 CWTS ① PEREGRINE 29 CWT ② LANCHESTER 32 CWT ③ REVS / MIN AT 60 M.P.H. 3000 3600 3457 | ||