Graph showing results from spring rating tests, specifically the effect of deflection due to shackle movement.
| Identifier | WestWitteringFiles\O\2April1926-June1926\ Scan169 | |
| Date | 27th May 1926 guessed | |
| (10) SPRING RATING TESTS. γ I Effect of Deflection due to Shackle movement SPRING RATING LBS/IN TOTAL SPRING LOAD. LBS Corrected Bump Loading Narrow Pad Shackle 10° Inward. | ||
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).