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).
List of modifications to be carried out on car 44-PK, including fitting a new axle, springs, and shock absorbers.
| Identifier | ExFiles\Box 67a\1\ scan0124 | |
| Date | 13th April 1926 | |
| X8410 RHC.{R. H. Coverley - Production Engineer} from Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} Hs{Lord Ernest Hives - Chair}/Rm{William Robotham - Chief Engineer}2/LG13.4.26. 44-PK CAR. X8770 Will you please carry out the following modifications to this car :- 1. Fit standard 40/50 pre front wheel brake axle to the car. 2. Fit Rectaskids on the present front springs. 3. Fit Hydraulic shock absorbers on the front. 4. Fit 2000 lbs. rear springs. 5. Fit Rectaskids on these rear springs. 6. Fit Hydraulic shock absorbers to the rear. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} | ||