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).
The effects of long duration camshafts with different types of carburetters.
| Identifier | ExFiles\Box 5a\5\ 05-page123 | |
| Date | 25th June 1930 guessed | |
| -2- that the long duration camshaft does not have quite such a marked effect with double throat ramming carburetters as with a single carburetter. This agrees with our expectations and other peoples experiments. HG/RH.{R. Hollingworth} | ||