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).
Characteristics of 14mm aero sparking plugs, attaching relevant curves.
| Identifier | ExFiles\Box 58\2\ Scan327 | |
| Date | 4th May 1936 | |
| To E.{Mr Elliott - Chief Engineer} r6000. Hs{Lord Ernest Hives - Chair}/Wst.11/JH.4.5.36. Sparking Plug Characteristics. In accordance with out discussion together with the B.T.H. representatives on the question of sparking plugs, we attach herewith 2 curves, 1 showing volt-pressure characteristics and the other volt - gap characteristiss of 14 m.m. aero plugs in common use. Hs{Lord Ernest Hives - Chair}/Wst. | ||