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).
Use of spark plugs in aluminium and the possibility of adding an inter-cooler.
| Identifier | ExFiles\Box 58\2\ Scan175 | |
| Date | 26th January 1935 | |
| - 2 - E.1/HP.26.1.35. any of our competitors are using plugs direct in the aluminium. The only objection we know of is that a sparking plug having a damaged thread might be used in the cylinder with disastrous results to the cylinder thread. We are also looking into the question of scheming an inter-cooler into the induction system, with a view to reducing the charge temperature. E.{Mr Elliott - Chief Engineer} | ||