Requesting accelerated failure testing on Bell's rig for various Phantom III Differential parts.
| Identifier | ExFiles\Box 92\5\ scan0059 | |
| Date | 27th May 1936 | |
| To RHC. {R. H. Coverley - Production Engineer} X 302 Hs {Lord Ernest Hives - Chair} /Gry. {Shadwell Grylls} 1/KW.27.5.36. Phantom III Differential. In view of the failures of this part we should like to obtain the time for accelerated failures on Bell's rig for - (1) The present production part G.54469 in S/M. (2) A piece exactly as failed on 22-G-V. {VIENNA} (3) A piece to the original G.54469 like what ran on 3-S-I. (4) G.54469 without the lubrication holes. (5) G.54469 but in S/N. (6) N.Sch.4811 in S/M (can be made from existing forging). (7) N.Sch.4811 in S/N. Hs {Lord Ernest Hives - Chair} /Gry. {Shadwell Grylls} | ||
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).