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).
Request to examine fractured 0.187 diameter rollers from a 32-EX steering gear for material flaws after a failure.
| Identifier | ExFiles\Box 153\1\ scan0017 | |
| Date | 20th August 1937 | |
| To H1/Mr.Whitehead. 1300 Rm{William Robotham - Chief Engineer}/FJH.{Fred J. Hardy - Chief Dev. Engineer}21/JH.20.8.37. Will you please examine the fractured 0.187 dia. rollers which we have handed to you to determine whether there is a flaw in the material. The rollers failed on 32-EX steering gear after 12,000 miles in France. Previous rollers of the same design have satisfactorily completed 20,000 mile tests. Rm{William Robotham - Chief Engineer}/FJH.{Fred J. Hardy - Chief Dev. Engineer} | ||