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).
Note on improving ride quality and controllability by adjusting rear loads and high-pressure valves.
| Identifier | ExFiles\Box 19\5\ Scan148 | |
| Date | 12th February 1931 | |
| (2) Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}3/KT.12.2.31. we have found that to put the loads up progressively on the rear to about 120 lbs. and drilling the high pressure valves with .055 plus .032 holes gives us an excellent town carriage ride which though it feels impossible when the car is rocked in a stationary position, actually is not nearly so bad on the road for controllability. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} | ||