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).
Request to rewind the shunt coil on an Aero-Battery ignition changeover switch with a larger gauge wire.
| Identifier | ExFiles\Box 168a\2\ img211 | |
| Date | 16th March 1936 | |
| To RHC.{R. H. Coverley - Production Engineer} 16139. HS{Lord Ernest Hives - Chair}/CAP.3/JH.16.3.36. Changeover Switch for Aero-Battery ignition. Our tests on the above switch, indicate that the shunt winding needs to be wound with a larger gauge of wire. Will you, therefore, please have the shunt coil on this switch, rewound with 32 SWG wire. HS{Lord Ernest Hives - Chair}/CAP. | ||