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).
Order specification for a pair of special low rating front springs for the Phantom II.
| Identifier | ExFiles\Box 16\7\ Scan254 | |
| Date | 19th May 1930 | |
| X7410. O.C. From Hs{Lord Ernest Hives - Chair}/Rn.{Mr Robinson} HS{Lord Ernest Hives - Chair}/Rn.{Mr Robinson}4/W.19.5.30. X4479 X7410 PHANTOM 11 SPECIAL LOW RATING FRONT SPRINGS. Will you please order for us from Messrs. Firths a pair of special front springs to the following specification - Free Camber 5.500 Pos. Loaded Camber 1.000 Pos. Max. Bump 2.750 Neg. Poundage at loaded camber 1100. The number, thickness of the plates, are left to Messrs. Firths but otherwise the dimensions should be as on F.76792. The leaves should be grooved for lubrication. Hs{Lord Ernest Hives - Chair}/Rn.{Mr Robinson} | ||