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).
The condition and performance of various vehicle components including distributor points, battery, plugs, and tyres.
| Identifier | ExFiles\Box 179b\4\ img025 | |
| Date | 11th April 1933 guessed | |
| -12- DISTRIBUTOR CONTACT POINTS. We have not had any failure of the above. The loss in the contact points has been more than normal. The chief wear appears to have taken place on the rubbing block, a total loss in the setting being .009 during 7,807 miles. BATTERY. The battery has remained in a good condition. The loss of water has been moderate. 1+ pints has been added during the mileage. The two long bolts holding the battery in the box became loose and fell out. The nuts of these bolts should have split pins. The battery box and anchorage has given no trouble. IGNITION PLUGS LODGE X.359 (361). These plugs have run 5000 miles. The electrodes do not show any burning to have taken place. There has been no misfires on acceleration. No sign of preignition at high speed. TYRES. The average life of the tyres is: India Tyres 5.5. X 18 Front 4,699 miles. Rear 3,233 miles. Good-year tyres. Front 5,320 miles Rear 4,445 miles. Mobil Aero Oil used throughout the mileage run at Chateauroux. Average Oil Consumption, 735.3 M.P.G. Average Petrol Consumption, 14.12 M.P.G. Average Speed for mileage run at Chateaur-oux 52.30 M.P.H. Weight of car 1 ton 10 cwt. 2 qrs. 7 lbs. G.W.H. | ||