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).
Listing modifications required for the B-56-BN, 10,000 Miles Chassis - Large Bore Unit.
| Identifier | ExFiles\Box 90\5\ scan0076 | |
| Date | 16th September 1935 | |
| To RHC.{R. H. Coverley - Production Engineer} X204 Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer}24/KW.16.9.35. B-56-BN{W.O. Bentley / Mr Barrington}, 10,000 Miles Chassis - Large Bore Unit. Will you please note, the following modifications are required to this chassis, which will be arriving here on Wednesday midday. (1) Controllable dampers. (2) B-18 large bore unit. (3) Latest type front axle with strengthened pivots and pivot pins. (4) 11/43 axle ratio. (5) New axle tubes. Hs{Lord Ernest Hives - Chair}/Rm.{William Robotham - Chief Engineer} | ||