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).
Test report on the condition of camshafts and crankcase bearer arms following testing.
| Identifier | ExFiles\Box 82\1\ scan0237 | |
| Date | 29th September 1933 | |
| -4- RHC.{R. H. Coverley - Production Engineer}4/BE29.9.33. Camshafts. EB.318. Test No. E477. CF.68. All cams slightly pitted. Signs of cam bearings fidgeting. Rockers and push rods good. No.6. tappet roller shows signs of wear. Tappet springs worn on diameter at both ends. Crankcase Bearer Arms One arm distorted, both arms shew signs of crankcase fidgetting. Remaining unit parts good. z RHC.{R. H. Coverley - Production Engineer} | ||