Broken valve spring (EB 3256) from car 3.B.IV, detailing its failure and temporary replacement with a part from car 6.B.IV.
| Identifier | ExFiles\Box 82\5\ scan0056 | |
| Date | 18th March 1937 | |
| 200a. HOTEL DE FRANCE. CHATEAUROUX(French test region). Indre. France. Rm {William Robotham - Chief Engineer} /GWH {George W. Hancock - Head Chateauroux} /IMW {Ivan M. Waller - Head of Chateauroux} /5/JAB.18th March 1937. To. Rm. {William Robotham - Chief Engineer} c.c. Rm {William Robotham - Chief Engineer} /GWH. {George W. Hancock - Head Chateauroux} [struck through] 3. B. IV. N° 6 Valve spring (Exhaust valve N° 3 Cylinder) EB. 3256, painted red and white, broke during the morning's run. The mileage was 3.322. We are returning the broken spring to you for examination and have burrowed one from 6.B.IV. until a standard Bentley valve spring can be obtained from Paris. --------- Rm {William Robotham - Chief Engineer} /GWH {George W. Hancock - Head Chateauroux} /IMW. {Ivan M. Waller - Head of Chateauroux} | ||
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).