Camshaft with Vauxhall cams for the Wraith III, requiring a reduction in push rod length.
| Identifier | ExFiles\Box 7\8\ X 607 Camshaft-page09 | |
| Date | 26th June 1937 | |
| SECRET 607? To HJS. Copy to Hy. {Tom Haldenby - Plant Engineer} Rm. {William Robotham - Chief Engineer} Dar Re/Desk R {Sir Henry Royce} /PEN/AHF.1/M.26.6.37. CAMSHAFT WITH VAUXHALL CAMS - WRAITH III. --------------------------------------- Further to our memo. PEN/AHF.1/M. 26.6.37, issuing the camshaft with Vauxhall cams for Wraith III, please note that the increase in base circle diameter from the standard Wraith dimension of 1.000" to 1.160" requires a reduction in push rod length of .080". Please instruct these new push rods to be made to suit the type of tappet which will be used with this camshaft. [Illegible signature] R {Sir Henry Royce} /PEN. | ||
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).