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 outlining anticipated weight savings for various vehicle components.
| Identifier | ExFiles\Box 88\3\ scan0147 | |
| Date | 1st February 1935 | |
| Part Anticipated Wt. saving possible. Remarks. Brake Linkage, Servo, etc. 30 lbs. Requires design work. Layout in hand by Girling. Road Springs 20 lbs. Experimental Dept. testing. Exhaust system 20 lbs. Exptl. Dept. are working on this. Battery Probably nothing Electrical Dept. to report. Radiator complete with water 5 lbs. Possibly more than this if Design can lighten shutters and bottom tank. Rear Axle 10 lbs. We think a lightened design should be bump tested. 4 lbs. out of hubs. Petrol Tank 6 lbs. Design required. Steering 8 lbs. Strengthened steering with lower ratio available for next 10,000 miles test. Shock Absorbers and control 6 lbs. Exptl. Dept. can produce and prove on bump. Front axle 4 lbs. This can be removed from the hubs. Design req'd.{John DeLooze - Company Secretary} Magnesium parts mentioned in Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}18/KW,16.1.35. 25 lbs. 13 ozs. Up to Experimental Dept. Carried Forward - 144 lbs. 13 ozs. | ||