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).
New distributor cam design, D.71338, which provides a 40% increase in speed.
| Identifier | ExFiles\Box 61b\1\ scan0028 | |
| Date | 25th March 1927 | |
| To EFC. X4041 BY/RD1/ML/25.3.27. DISTRIBUTOR CAM. Please receive herewith blueprint D.71339 - shewing a comparison of the rocker lift for the standard cam and the new one D.71338. This new cam gives about 40% increase of speed at the breaking point. BY | ||