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).
Confirming a blueprint for a 4' stroke crankshaft for a Peregrine engine was provided for recalculation.
| Identifier | ExFiles\Box 2\3\ B002_X 116 117 119 120-page18 | |
| Date | 15th August 1932 | |
| To Hs.{Lord Ernest Hives - Chair} from E.{Mr Elliott - Chief Engineer} c. By.{R.W. Bailey - Chief Engineer} Sg.{Arthur F. Sidgreaves - MD} Wor.{Arthur Wormald - General Works Manager} X117 E.4/HP.15.8.32 re 4" stroke Crankshaft for Peregrine. This confirms that we left with your Mr Grylls on Friday morning a blueprint of LeC.3163 showing the above arranged with 6/8 balance weight scheme, the weights being of the thick type with minimum radius of gyration, and that he is kindly arranging to re-calculate the shaft, and give us a value for the major critical. E.{Mr Elliott - Chief Engineer} | ||