Modifications for Gearbox No. 11 to be fitted to a 12.B.V. for its French test.
| Identifier | ExFiles\Box 98\5\ scan0203 | |
| Date | 30th June 1939 | |
| H of M28 To HPS {Horace Percy Smith - Experimental Factory Mgr} /RH. {R. Hollingworth} from Rm {William Robotham - Chief Engineer} /Gry. {Shadwell Grylls} c. By {R.W. Bailey - Chief Engineer} /CRL. {C. R. Lisson} Rm {William Robotham - Chief Engineer} /Gry. {Shadwell Grylls} 5/MH. {M. Huckerby} 30.6.39. GEARBOX NO.11. This box will be fitted to 12.B.V. for its French test. In addition to non standard parts already instructed, we want the following modifications:- (1) 2nd. speed anti-rattle device PD.455. The 3rd. motion shaft must be drilled in the soft state and a new shaft is required GB.5214. (2) Crowded 1/4" x 1/2" rollers in the layshaft. Rm {William Robotham - Chief Engineer} /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).