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).
Table comparing petrol consumption figures for various cars and carburettor setups over different routes.
| Identifier | ExFiles\Box 102\1\ scan0337 | |
| Date | 25th June 1935 | |
| -2- He/Wym.{G. Harold Whyman - Experimental Manager}15/KW.25.6.35. Petrol Consumptions. Table Columns (Routes): 1. Derby, Leciester, Ashby, Burton, Derby. (Average Speed 30 m.p.h.) 2. Cricklewood, St.{Capt. P. R. Strong} Alban's, Dunstable & return. (Average Sp.{Mr Spinney} 32 m.p.h.) 3. Derby, Ashbourne, Buxton and return. (Average Speed 45 m.p.h.) Table Rows (Results): - C's car, GAE-19: Column 1: 17.00 m.p.g.; Column 3: 15 m.p.g. - Old type Carb. fitted to GAE-19: Column 1: 17.65 m.p.g.; Column 3: 16.67 m.p.g. - Sg{Arthur F. Sidgreaves - MD}'s Carb. fitted to Exp. car 19-G-IV.: Column 1: 16.50 m.p.g.; Column 3: 15.70 m.p.g. - Sir Banister Fletcher's car CLG-3, as complained of by customer.: Column 2: 16.00 m.p.g. - 19-G-IV with standard production carb. fitted.: Column 1: 17.00 m.p.g.; Column 2: 18.88 m.p.g.; Column 3: 15.00 m.p.g. - 19-G-IV carb. fitted to CLG-3, as left for customer.: Column 2: 17.16 m.p.g. - CLG-3 carb. fitted to 19-G-IV.: Column 2: 16.00 m.p.g. - Frazer Henderson: Dealt with by Cricklewood. | ||