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).
Average complete car weights for various models over time to illustrate the constant increase.
| Identifier | ExFiles\Box 132\2\ scan0044 | |
| Date | 5th October 1938 | |
| c to Rm.{William Robotham - Chief Engineer} 1115 Hd{Mr Hayward/Mr Huddy}/SB{Mr Bull/Mr Bannister}10/HR.5.10.38. re COMPLETE CAR WEIGHTS. -------------------- As a matter of interest, we give below particulars of the average weights of 25/30 HP. and Bentley cars over a period, particularly in order to illustrate the constant increase in weight which is taking place. The figures given include oil, water, petrol, spares and all accessories. In each case they are the average of 100 cars, excluding any which are abnormal and which might give a false average. BENTLEY. 3 1/2 litre. 4 1/4 litre. 1935. 1938. 32 cwts. 3 qrs. 34 cwts. 2 qrs. 25/30 HP. Average closed car. 20/25 HP. 25/30 HP. 1935. 1938. 38 cwts. 2 qrs. 39 cwts. 3 qrs. The only two Production Wraiths we have so far seen weighed are:- 41 cwts. 0 qrs. 0 lbs.........WXA-10 39 1 14 ..........WXA-9. Hd{Mr Hayward/Mr Huddy}/SBsB | ||