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 and tyre weights and ground clearances for Bentley, Buick, Graham, and Essex cars.
| Identifier | ExFiles\Box 124\3\ scan0339 | |
| Date | 14th March 1935 | |
| To Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} +3317 FD.{Frank Dodd - Bodies}1/KW.14.3.35. Comparative Wheel & Tyre Weights & Ground Clearance. Bentley 5.50 x 18 Buick 6.25 x 16 Graham 7 x 16 Essex 6.25 x 16 Wheel Weights 21 lbs. 9 ozs. 21 lbs. 0 oz. 24 lbs. 2 Oz. 20 lbs. 10 Oz. Tyre Weights 25 " 7 " 22 " 4 " 26 " 2 " 19 " 14 " Tube Weights 3 " 10 " 3 " 0 " 3 " 2 " 2 " 10 " TOTAL = 50 " 10 " 46 " 4 " 53 " 6 " 43 " 2 " No Body. Ground Clearance under Front Axle 9.0" 7.5" 7.75" 9.5" Ground Clearance under Rear Axle 9.0" 7.5" 7.55" 9.0" The Buick cover weight should be used as this cover is new. The Essex cover was partly worn. llm/F.Dodd. | ||