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).
Comparison of wheel weights and specifications for Packard, Vauxhall, and Rover vehicles.
| Identifier | ExFiles\Box 127\4\ scan0034 | |
| Date | 1st May 1937 | |
| 1097 May 1937. PACKARD. 34 H.P. c. q. lbs. Front Wheels 15 3 7 Rear " 18 1 14 = 34 - 21 VAUXHALL. 25 H.P. 9 ft 3 in. Wheelbase Short Type. Time up Ticknall 57.8 secs. (With 6 gals of petrol tank holds 12 gals.) Front wheels 14 - 14 Rear " 16 - 7 = 30 - 21 96 30 - 117 Rg{Mr Rowledge}'s ROVER - 14 H.P. Saloon. Front wheels 12 2 - Rear W 13 1 7 = 25. 3 14 Sft{Mr Swift}'s ROVER- 14 H.P. Close Coupled. Front wheels 12 1 7 Rear " 13 1 21 = 25 3 - --------------- | ||