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).
Testing of miniature Bosch sparking plugs on a Goshawk-11 engine for sooting issues.
| Identifier | WestWitteringFiles\J\February1923\ Scan58 | |
| Date | 22th February 1923 | |
| To E.{Mr Elliott - Chief Engineer} from Hs.{Lord Ernest Hives - Chair} ORIGINAL Hs{Lord Ernest Hives - Chair}3/LG22.2.23. MINIATURE BOSCH SPARKING PLUGS. X4570 We are sending you under separate cover today - 6 Miniature Bosch sparking plugs of the latest design. We should be pleased if you would run these on 5-Goshawk-11 and let us know whether they are any improvement with regard to sooting up. If you find they are satisfactory, we will obtain a further supply. Hs.{Lord Ernest Hives - Chair} | ||