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).
Comparative table of wheel and tyre weights and ground clearances for several car models.
| Identifier | ExFiles\Box 88\3\ scan0135 | |
| Date | 14th March 1935 | |
| Hs{Lord Ernest Hives - Chair}/FD.{Frank Dodd - Bodies}1/KW.14.3.35. Comparative wheel & Tyre Weights & Ground Clearance. Table Columns: J-III Wraith 6.50 x 16 4.5 Rim., Bentley 5.50 x 18, Buick 6.25 x 16, Graham 7 x 16, Essex 6.25 x 16 Wheel Weights: 23 lbs. 8 oz., 21 lbs. 9 oz., 21 lbs. 0 oz., 24 lbs. 2 oz., 20 lbs. 10 oz Tyre Weights: 24 " 12 ", 25 " 7 ", 22 " 4 ", 26 " 2 ", 19 " 14 " Tube Weights: 3 " 2 ", 3 " 10 ", 3 " 0 ", 3 " 2 ", 2 " 10 " TOTAL =: 51 " 6 ", 50 " 10 ", 46 " 4 ", 53 " 6 ", 43 " 2 " No Body Ground Clearance under front axle: 7.5", 9.0", 7.5", 7.75", 9.5" Ground Clearance under Rear Axle: 7.5", 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. Hs{Lord Ernest Hives - Chair}/FD.{Frank Dodd - Bodies} | ||