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).
The weight savings on a Continental Phantom III by using lighter gauge materials for certain parts.
| Identifier | ExFiles\Box 92\6\ scan0096 | |
| Date | 8th January 1937 | |
| File: 300b. To RM.{William Robotham - Chief Engineer} Rm{William Robotham - Chief Engineer}/FD.{Frank Dodd - Bodies}18/JH.8.1.37. Re Continental Phantom III. We are having a set of body brackets, step iron, and wing stays made in lighter gauge material the saving of weight affected by this change would be BODY BRACKETS. STD. 23 lbs. 4 ozs. New Type 16 lbs. 12 ozs. Step iron " 30 lbs. 8 ozs. " 24 lbs. 0 ozs. Wing stays " 9 lbs. 0 ozs. " 7 lbs. 6 ozs. 62 lbs. 12 ozs. 48 lbs. 2 ozs. NET SAVING OF 14 lbs. 10 ozs. Rm{William Robotham - Chief Engineer}/F.Dodd. | ||