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).
Instructions to remove the front spring packing on the 20-HP 'M' Series chassis and bolt the spring directly to the axle pad.
| Identifier | ExFiles\Box 106\1\ scan0111 | |
| Date | 1st November 1927 | |
| X5410 BY/HEB{H. Biraben}/M.1.11.27. 20-HP. CHASSIS "M" SERIES. FRONT SPRINGS - SEC: 7020. FRONT AXLE - SEC: 7040. REMOVING FRONT SPRING PACKING SO THAT SPRING IS BOLTED DIRECT TO AXLE PAD. Kindly note it is proposed to cancel the Front Spring Packing, and bolt the Spring direct to the Axle for "M" Series and onwards, as a result of Hs{Lord Ernest Hives - Chair}/Rm{William Robotham - Chief Engineer}'s memo' Hs{Lord Ernest Hives - Chair}/Rm{William Robotham - Chief Engineer}1/LG.24.10.27. Will you therefore kindly arrange for the two .750 Dia: Holes in the Front Axle for the Spring Centre Bolts to be enlarged as per sketch below for "M" Series onwards. BY/HEB.{H. Biraben} [Sketch of a rectangular hole with dimensions .750 DIA and .550 +10.] P.S. Will you also kindly arrange to delete the .250 Dia: Hole .250 deep in each Spring Pad for Locating Pin for "M" Series onwards. BY/HEB.{H. Biraben} [Stamp: RECEIVED NOV 2 1927] | ||