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).
Graph of sliding effort versus torque for a Peregrine propeller shaft with white-metalled splines.
| Identifier | ExFiles\Box 148\4\ scan0012 | |
| Date | 18th October 1932 | |
| PEREGRINE PROP. SHAFT WHITE-METALLED SPLINES RR.SCH. 168/9 SHORT TYPE SLIDING EFFORT - LB. TORQUE LB. FT. 600 400 200 50 100 150 200 250 HS{Lord Ernest Hives - Chair} 739 18-10-32 | ||