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).
Laboratory analysis of materials used in Oldsmobile front suspension levers.
| Identifier | ExFiles\Box 126\1\ scan0051 | |
| Date | 1st December 1937 | |
| 200B 1062 Les what do these steels cost - per ton. Rm{William Robotham - Chief Engineer} Rm.{William Robotham - Chief Engineer} ✓ c. to By.{R.W. Bailey - Chief Engineer} c. to Da.{Bernard Day - Chassis Design} c. to Rm{William Robotham - Chief Engineer}/Les.{Ivan A. Leslie} Hl/HEG.4/JN.1.12.37. Laboratory OLDSMOBILE FRONT SUSPENSION LEVERS We were asked by Rm{William Robotham - Chief Engineer}/Les.{Ivan A. Leslie} to analyse the materials of these levers. Following are the figures :- Yoke Piece. Bottom triangle Lever Top triangle Lever Carbon. 0.37% 0.40% 0.36% Manganese 1.80% 0.74% 0.79% Nickel Nil. Nil. Nil. Chromium. Nil. Nil. Nil. The yoke piece material corresponds to S.A.E. No.T1335 The other two levers correspond to S.A.E. No.1040 Hl/H.E.G. HE | ||