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).
Peregrine engine's Fixed Friction Damper Flywheel and steel fan pulley.
| Identifier | ExFiles\Box 2\10\ 10-page31 | |
| Date | 15th August 1932 | |
| X 124. To BY.{R.W. Bailey - Chief Engineer} c. Wor.{Arthur Wormald - General Works Manager} Hs.{Lord Ernest Hives - Chair} E/JNR.{Charles L. Jenner}1/HP.15.8.32. re Peregrine. We send you herewith LeC.3149 Fixed Friction Damper Flywheel. You will notice that the fan pulley is now made in steel, and very light in section. E/JNR.{Charles L. Jenner} [Stamped on left] 1932 AUG 19 HS{Lord Ernest Hives - Chair} | ||