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 plotting Sliding Effort against Torque for a Peregrine prop-shaft with hardened splines.
| Identifier | ExFiles\Box 2\1\ B002_136 137-page16 | |
| Date | 8th October 1932 | |
| Hs{Lord Ernest Hives - Chair} 738 PEREGRINE PROP: SHAFT 8-10-32 RR.Sch 168/9. SHORT TYPE. HARDENED SPLINES SLIDING EFFORT - LB. 600 400 200 TORQUE LB. FT. 50 100 150 200 KB | ||