Secret memorandum about a modification to the Spectre connecting rod bolts to prevent stretching.
| Identifier | ExFiles\Box 93\1\ scan0114 | |
| Date | 17th August 1935 | |
| X314 To- BY. {R.W. Bailey - Chief Engineer} c. RHC. {R. H. Coverley - Production Engineer} Hs {Lord Ernest Hives - Chair} /Rm. {William Robotham - Chief Engineer} SECRET. re Spectre(Codename for Phantom III) Con Rod Bolts. We agree to the proposal from RHC. {R. H. Coverley - Production Engineer} to delete the undercuts in the shank ofnthe forked connecting rod bolts in order to overcome the stretching when tightening up. We send you herewith LeC.4646 showing a modification. No more engines should be fitted with the old design and the others should be changed over when it is convenient. E {Mr Elliott - Chief Engineer} /JNR. {Charles L. Jenner} | ||
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).