The results of deflection tests on a 25 HP crankcase.
| Identifier | ExFiles\Box 181\M13\M13.2\ img082 | |
| Date | 19th August 1931 | |
| ORIGINAL To E. {Mr Elliott - Chief Engineer} From Hs {Lord Ernest Hives - Chair} /Gry. {Shadwell Grylls} Hs {Lord Ernest Hives - Chair} /Gry. {Shadwell Grylls} 7/MJ.19.8.31. X5000, 25 HP. CRANKCASE DEFLECTIONS. Herewith the results we got when we loaded a 25 HP. crankcase both vertically and horizontally, as requested by telephone today. The crankcase is five times stiffer vertically than horizontally and is two and a half times stiffer with the cylinder block fitted. We are also sending a sketch of how the crankcase was supported and loaded. Hs {Lord Ernest Hives - Chair} /H.Grylls. Att: Two prints. | ||
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).