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 design and production modifications for vehicle components, with associated actions and cost savings.
| Identifier | ExFiles\Box 91\1\ scan0442 | |
| Date | 26th November 1936 | |
| (3) (17) Bentley type road wheel fixing and hubs. Design will be looked into at the earliest opportunity. (18) Simplified machining of con.rods - location of bolt heads - Lec.6295. Instructed for production 6.11.36. (19) Four port cylinder head. Lec's.4729,4740, 4761/2. Saves £12.10.0 per chassis - to be tested for 10,000 miles on 35-EX. (20) Steel fan blades. Instructed for experimental test 26.11.36. Saves over 3/6d per chassis. (21) Deletion of oil catchers on rear brake carrier plates. Instructed for production. (22) Modified design of mild steel front engine support brackets. Design in hand. (23) Deletion of lock plates for bolt heads on front brake carrier plates. Instructed for production - takes effect immediately. (24) Mods. to cheapen petrol filter. Design investigation is in hand E/Lid.{A. J. Lidsey} | ||