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).
Drawing illustrating the wear on splines for a Hardy-Spicer propeller shaft from a Bentley 56-BN after 17,000 miles.
| Identifier | ExFiles\Box 90\5\ scan0137 | |
| Date | 6th July 1936 | |
| Ex I 43 16 SPLINES 1.111 DIA: .055 RAD .132 1.373 DIA: 1.185 DIA: .1355 1.375 DIA: BENTLEY 56-BN{W.O. Bentley / Mr Barrington} (AFTER 17,000 MILES) SPLINES ON HARDY-SPICER PROP. SHAFT ROLLS-ROYCE, LTD PRINT ROOM 6 JUL 1936 L. 29W Ex I 43 | ||