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).
Letter supplement detailing the results of a spring test, including load and stiffness measurements.
| Identifier | ExFiles\Box 43\2\ Scan121 | |
| Date | 5th April 1926 | |
| Oy3-E-4526 April 5th, 1926 Mr. Claude Johnson, Rolls-Royce, Ltd., London, England. (Copy for attention of Mr.F.H.Royce " " " " Works Committee " " " " Mr. Beaver " " " " Mr. Nadin (England) " " " " Mr. Burton) COPY Dear Sir: Supplement to letter Oy2-E-4526 Test of springs. Loads are average of up and down readings in all cases. (1) Spring supported at both ends on brackets free to travel on rollers. Not clipped. Camber Load Stiffness 2" 448 294 1" 742 311 0 1053 318 -1" 1371 329 -2" 1710 529 | ||