Graph plotting spring rating against total spring load, showing the effect of internal friction under gradual and bump loading.
| Identifier | ExFiles\Box 67a\1\ scan0218 | |
| Date | 27th May 1925 guessed | |
| (8) SPRING RATING TESTS (B) AND (B II). EFFECT OF INTERNAL FRICTION. WIDE PAD. VERTICAL SHACKLE. SPRING RATING LBS/IN. TOTAL SPRING LOAD. LBS. B II = GRADUAL LOADING. B = BUMP LOADING. 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).