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 detailing the weight increase of 'D' series Bentleys over 'A' series, broken down by component.
| Identifier | ExFiles\Box 88\3\ scan0130 | |
| Date | 1st March 1935 | |
| -2- hs{Lord Ernest Hives - Chair}/Rs.{Sir Henry Royce's Secretary} 4/KW. B. 3.35. Increase in Weight of 'D' series Bentleys over 'A' series. ------------------- lbs. ozs. Propeller shaft Damper 12 12 Controllable Dampers 6 0 Rubber rear mounting 7 7 Cross Member between Lamps 5 12 Heavier Front Axle 4 0 Easy Brake adjustment 3 0 Front expansion box lagging 3 5 1/2 Damper Pipe Lines 2 0 Extra Body Brackets 1 12 Strengthened Torsion shafts 14 Foot switch 15 ---------- 47 13 1/2 ---------- | ||