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).
Proposed improvements for the Phantom and 20HP magnetos.
| Identifier | ExFiles\Box 48\2\ Scan460 | |
| Date | 10th December 1926 | |
| HS. {Lord Ernest Hives - Chair} } TO R.R.S. [struck through] FROM R. {Sir Henry Royce} BY. {R.W. Bailey - Chief Engineer} } x 8796 ORIGINAL. R1/M10.12.26. Copy to [scribbled out] BJ: PHANTOM MAGNETO. Y7791 Mr. North promises a more silent magneto, and one which affects the control less. There is to be - No magnetic effect, due to absence of sleeve, and the machine is to be equally as reliable as the present model. The new points are - (a) Larger armature and no sleeve. (b) Laminated extended pole shoes. (c) Plain bearing to distributor wheel. (d) Bakelite wheel and pinion. 20HP. MAGNETO. All this also applies to the 20HP. magneto, except the gearing. R. {Sir Henry Royce} | ||