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).
Instruction to modify and test a flywheel by increasing the number of securing bolts from 6 to 9.
| Identifier | ExFiles\Box 13\7\ 07-page095 | |
| Date | 10th March 1931 | |
| X7300 BY.{R.W. Bailey - Chief Engineer} FROM E.{Mr Elliott - Chief Engineer} E1/M10.3.31. C. to SG.{Arthur F. Sidgreaves - MD} WOR.{Arthur Wormald - General Works Manager} HS.{Lord Ernest Hives - Chair} P. 2. CRANKSHAFT & FLYWHEEL. X.7010. X.7300. In accordance with R1/M7.3.31. and E1/M27.2.31. would you please instruct LeC. 2874 with 9 bolts securing the flywheel instead of 6., using the present bolt diameter so that the efect of 6 and 9 can be tested separately. E.{Mr Elliott - Chief Engineer} | ||