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).
Telegram discussing high-speed misfiring issues with ceramic and mica plugs, and recommending AC type K4 plugs.
| Identifier | ExFiles\Box 174\2\ img048 | |
| Date | 24th September 1927 | |
| ROLLS-ROYCE LTD. TELEGRAM RECEIVED BY TELEPHONE. Time Received: 10.15 Date: 24 9 27 To: Royces By: MW. from: Detroit Michigan NLT 22nd 55 MESSAGE: Hives trouble on ceramic plugs mostly follow our high speed mis-firing on mica manufacturer stop Intervalve champion plugs by measurement bursts of speed stop Improvement obtained by running plug 22 near out ignition as possible stop Re trico drivers Cadillacs recommend AC type K4 stop higher stome fuel definitely FROM } THIS SHEET MUST BE FILED. | ||