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 of weight and cost decreases for a Bentley Chassis.
| Identifier | ExFiles\Box 124\3\ scan0410 | |
| Date | 26th August 1936 | |
| -5- Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}4/KW.26.8.36. Weight Decrease - Bentley Chassis. Item. Weight Decrease Cost Decrease. Clutch 17 lbs. More than £3.10. 0d. Delete Prop. Shaft Damper 10 lbs. About £2. 9. 0d. Mark VI Radiator and water 16 lbs. £- 6.11d. Deletion of Cut-Out 5 1/2 lbs. About £2.10. 0d. Lightened Ex.System 14 lbs. About £2. 0. 0d. Lighter Dynamo 5 lbs. About £2. 0. 0d. Lighter Battery 11 lbs. No change Lighter Rear Road Springs 20 lbs. About £- 9. 0d. Lighter Torque Reaction Dampers 2 1/2 lbs. £- 2. 1d. Lighter Petrol Tank 8 lbs. Unknown Lighter Prop. Shaft 5 lbs. More than £1. 0. 0d. £14. 7. 0d. Cost Increase. Magnesium Dash & Clutch Pit. 12 lbs. About £1. 0. 0d. Jack lightened 5 lbs. £- 4. 2d. Total Weight Decrease = 131 lbs. £1. 4. 2d. Total Cost Saving ... ... ... ... ... £13. 2.10d. | ||