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).
Table comparing standard and new weights of various car components, detailing weight increases and decreases.
| Identifier | ExFiles\Box 82\3\ scan0173 | |
| Date | 3rd April 1935 | |
| -2- Ha/FD.{Frank Dodd - Bodies} &/XN.3.4.35. Part. | Std.Weight lbs. ozs. | New Weight lbs. ozs. | Increase lbs. ozs. | Decrease lbs. ozs. -----------------------------------|-------------|----------------|----------------|----------------- Radiator with water & lamp pillars | 95 0 | 101 3 | 6 3 | Isolated change speed lever | 7 2 | 9 12 | 2 10 | 14" dia. brake drums | 54 4 | 69 4 | 15 0 | 14" brake straps | | | 6 0 | water Excluders | | 2 9 | 2 9 | Narrow Pin Crankshaft | 60 0 | 58 0 | | 2 0 Rubber Engine Mounting - Front | 18 6 | 22 9 | 4 3 | Cantilever pedals | 9 0 | 10 10 | 1 10 | Noise Insulation | | 21 0 | 21 0 | Flywheel & Clutch | 75 12 | 65 0 | | 10 12 Large Oil Pump | 2 15 | 3 12 | | - 13 -----------------------------------|-------------|----------------|----------------|----------------- Total = | | | 72 12 | 136 13 Weight saving of 64 lbs. 1 oz. Jackall Jacks | | 46 10 | 46 10 | One-piece Alum. mudguards | and running boards, each | 49 8 | 53 0 | 3 8 | Ha/F.Dodd. | ||