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 weights for Bentley production parts in pounds and ounces.
| Identifier | ExFiles\Box 88\3\ scan0052 | |
| Date | 1st May 1934 | |
| X258 May, 1934. Weights of Bentley Production Parts. Lbs. Ozs. Engine unit complete with gearbox, servo mechanism, exhaust manifold, carburetters, etc., but without fan and fan belt. 683 0 Clutch and Brake Pedals 7 12 Hand Brake Lever 3 4 Hand Brake Lever quadrant 3 4 Front axle complete with brakes, drums, and cross steering tube. 119 0 Rear axle, complete with brakes, drums, etc. (less prop. shaft). 197 0 Propellor Shaft. 27 8 Set of 5 Rudge-Whitworth Wheels 5.50 X 18 (22 lbs. 4 ozs. ea.) 111 4 Set of 5 India, Speed Special type, covers with tubes. 146 4 Set of road springs (Front 18 lbs. 4 ozs. ea.) (Rear 39 lbs. 8 ozs. ea.) 115 8 Set of shock absorbers (Front 10 lbs. 12 ozs. ea.) (Rear, complete with connecting tubes, 13 lbs. 8 ozs. ea.) 48 8 Steering box and column. 41 0 Side steering tube and pendulum lever. 6 8 | ||