Graph plotting spring rating against total spring load to show the effect of internal friction under gradual and bump loading.
| Identifier | WestWitteringFiles\O\2April1926-June1926\ Scan168 | |
| Date | 27th May 1926 guessed | |
| (8) SPRING RATING TESTS (B) AND (B II). EFFECT OF INTERNAL FRICTION. WIDE PAD. VERTICAL SHACKLE. SPRING RATING LBS/IN. B II = GRADUAL LOADING. B = BUMP LOADING. TOTAL SPRING LOAD LBS. B II B | ||
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).