Use of copper versus silicon bronze for ignition plugs.
| Identifier | WestWitteringFiles\B\September1918\ Scan2 | |
| Date | 16th September 1918 | |
| To EH. from R. {Sir Henry Royce} Copy to CJ. [struck through] ORIGINAL. RE IGNITION PLUGS. X.601 16th September, 1918. R3/G16918. 2 We presume that the copper is used owing to its high thermal conductivity. If you find this insufficiently stiff, you might try silicon bronze, which, I believe, has very nearly the same conductivity but with very much higher elastic limits. [Signature] R. {Sir Henry Royce} [STAMP] D 23 SEP 1918 RECEIVED | ||
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).