Daily report on a 10,000-mile test car, detailing system performance and faults.
| Identifier | ExFiles\Box 11\5\ 05-page011 | |
| Date | 4th April 1934 guessed | |
| Daily Report on 10,000 Miles Test Car HYDRAULIC DAMPERS. No sign of knocks. N.S.R. leaking at gland, also leak from control elbow. Minimum and medium loads not being used owing to loss of control of rear axle which causes propeller couplings to foul. REAR AXLE. There is no change in the rear axle, period of noise has not increased, below and above period axle is quiet. No loss of oil. ELECTRICAL SYSTEM. Gave no trouble. BODYWORK. N.S. Front wing cracking at bottom corner, ventilating windows in drivers seat have lost the friction drive and will not remain open. Too much heat comes in from the engine into front compartment. Weather Conditions Fair. Average Speed { Morning 49.3 MPH. Aft. 52.1 MPH. Average Oil Temp. 98°C Average Water Temp. 78.6°C Average Air Temp. 11.5°C Max. Oil Temp. 115°C Max. Water Temp. 82°C Max. Air Temp. 16°C. G.W.H. | ||
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).