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).
Secret internal memo regarding modifications to the Spectre rear brakes.
| Identifier | ExFiles\Box 92\4\ scan0058 | |
| Date | 12th February 1935 | |
| Rm{William Robotham - Chief Engineer} To DY.{F R Danby} from Da.{Bernard Day - Chassis Design} c.c. Wor.{Arthur Wormald - General Works Manager}B.Hs.{Lord Ernest Hives - Chair} Idy. RHo. Da.{Bernard Day - Chassis Design}5/HP.12.2.35. SECRET. SpectreCodename for Phantom III - Rear Brakes. Herewith is N. Sch.4360 shewing the modified Rolls-Royce system of brakes with Girling linkage, in which a tangent screw adjustment, similar to present standard, has been substituted for the original adjustment. The linkage has also been simplified by removing the carrier lever on the axle and the resulting arrangement shewn on N. Sch.4366, also herewith. The modification to the rebound stop is shewn here and is also applicable to the Girling Brake layout. We also send N. Sch.4385 shewing the equalisers on the axle. Da.{Bernard Day - Chassis Design} N.Sch's 4360/4365/4366 herewith. | ||