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).
Ignition timing and control leverage alterations for high compression 21/25 HP cars.
| Identifier | ExFiles\Box 5a\5\ 05-page117 | |
| Date | 5th June 1930 | |
| SY. from HS{Lord Ernest Hives - Chair}/AHL. C. to MX{John H Maddocks - Chief Proving Officer}, C. x 5771 Hs{Lord Ernest Hives - Chair}/AHL.1/J.5.6.30. xS630 xS771 IGNITION TIMING ON HIGH COMPRESSION 21/25.HP. CARS. Further to our Hs{Lord Ernest Hives - Chair}/AHL.1/ar.18.4.30., it would now appear advisable that none of this series of cars should leave the Works until the altered leverage on the ignition control is fitted. Will SY. please urge this job; the alteration should be made if possible by changing over a lever fixed by a biting in bolt rather than one of the brazed levers. It is a pity that this job was not attended to earlier; we asked for it in Hs{Lord Ernest Hives - Chair}/AHL.2/Ar.6.2.30 (three months ago). Hs{Lord Ernest Hives - Chair}/AHL. | ||