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 vehicle faults and their frequency, categorized by component.
| Identifier | ExFiles\Box 107\2\ scan0206 | |
| Date | 4th March 1938 | |
| -6- Rm{William Robotham - Chief Engineer}/CWH.3/W.4.3.38 Cont'd.{John DeLooze - Company Secretary} No. UNCOMFORTABLE RIDE. (1) Buckled packing washers under suspension springs. 1. (2) Rear dampers initial poundage increased .005". 1. (3) Drilled .039 hole in rear damper valve. 2. (4) Increased leak of front dampers from .005 to .012". 3. (5) Thudding front of chassis, damper valves with gummy deposit. 1. (6) Damper control pump not giving maximum poundage. 2. (Handwritten) 7 Binding of NSF lock damper piston! 10. RADIATOR. (1) Cap not fitting. 1. (2) Water leak from filler cap ball valve. 2. (3) Steam valve not seating. 1. (struck through, handwritten "11 each" nearby) (4) (Handwritten) Over heating old style matrix 11 4. BONNET (1) Knocks. 2. FAN. (1) Noisy - new bearings. 1. ROAD SPRINGS. (1) Rear spring - rear tips of leaves dry causing creak; 1. HYDRAULIC JACKS. (1) Leak from supply pipe chafed by engine bearer. 1. (2) Failure of n.s.r. jack. (handwritten "n.s.f." below) 1. (Handwritten) 5 Valves in pump box sticking! 3. | ||