Graph showing the deflection of a central journal when twisting a 20 HP crankshaft.
| Identifier | ExFiles\Box 31\2\ Scan072 | |
| Date | 9th December 1927 | |
| 20 H.P. DEFLECTION OF CENTRAL JOURNAL, WHEN TWISTING CRANKSHAFT. JOURNAL MOVEMENT - THOUSANDTHS OF AN INCH. UPWARDS DOWNWARDS DEGREES TWIST 9.12.27. | ||
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).