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).
Specification revision for a Bentley Unit 40-No.1 chassis, detailing rear axle modifications.
| Identifier | ExFiles\Box 118\1\ scan0342 | |
| Date | 26th May 1941 | |
| To Rm.{William Robotham - Chief Engineer} from Rm{William Robotham - Chief Engineer}/CP. o/ Rm{William Robotham - Chief Engineer}/Wym.{G. Harold Whyman - Experimental Manager} 1022 Rm{William Robotham - Chief Engineer}/CP.6/LH.{Mr Haworth}26.5.41. Silver Riplet Chassis 1-RT-1 Bentley Unit 40-No.1. Specification of the above Chassis is revised as follows :- Work carried out at Clan 17.4.41. Previous Specification Rear Axle LOP.GB.4686 11 x 41 ratio GB.4510 Bevel wheel) 11 x 41 GB.4591 Pinion ) RR. removed Revised Specification Rear Axle LOP.GB.4686 9 x 46 ratio Axle modified by fitting the following parts:- Ex.9366 Pinion ) 9 x 46 Modified to RG.{Mr Rowledge}2274 ) Ex brake G.10862 Bevel wheel ) Rig Axle The following part fitted to :- SCD.1225 RG.{Mr Rowledge}2276 Exs.1342 Pinion Brg.housing. RG.{Mr Rowledge}2275 Flange Exs.1548 Brg.sleeve. Exs.1543 Oil Seal Housing. .125 Packing Washer fitted.between GB.4080 bearing and face of Pinion in place of RG.{Mr Rowledge}2273 as shown on RG.{Mr Rowledge}2276. Exs.1545 Diff Casing L.H) GB.4513 " " R.H) Ex.14-B-V Exs.1546 Stud ) fitted. Exs.1547 Packing Ring ) .260 thick adj.washer fitted on L.H. Roller brg. to replace GB.4482 (.125 thick). GB.4482 washer fitted to R.H. Roller bearing to replace GB.4480 (.225 thick) Rm{William Robotham - Chief Engineer}/CP. | ||