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).
Specification revision document for Bentley Chassis 12-B-V, detailing changes to hubs, brakes, master cylinder, and exhaust.
| Identifier | ExFiles\Box 153\3\ scan0210 | |
| Date | 27th February 1943 | |
| 1298 To: Rm.{William Robotham - Chief Engineer} Rm{William Robotham - Chief Engineer}/Wym{G. Harold Whyman - Experimental Manager}/CP.1/LH.{Mr Haworth}27.2.43. Bentley Chassis 12-B-V.{VIENNA} Engine Unit Ripple No.2. Specification of the above Chassis is revised as follows :- Work carried out at Clan 22.2.43. Previous Specification. Front Hubs. LOP.GB.4802. EXS.1755 Brake Drums I/C. GB.3691 End Plate. removed. Hydraulic Master Cylinder. LOP.GB.5104. 1-Lockheed Master Cylinder No.11679/2 removed. Exhaust System. 1 3/4" dia. Tail Pipe. removed. Revised Specification. Front Hubs. LOP.GB.4802. The following replacement parts fitted :- 2-GB.4799 Brake Drums. 2-GB.3691 End Plate. Front Brakes. LOP.GB.4183. Shoes relined with BZ and RU.liners. Rear Brakes. LOP.GB.4793. Shoes relined with BZ and RU. liners. Hydraulic Master Cylinder. LOP.GB.5104. The following replacement parts fitted :- 1-Lockheed No.11679/2 Master Cylinder. Exhaust System. The following new part fitted :- 1-2" dia. Tail Pipe. Rm{William Robotham - Chief Engineer}/Wym{G. Harold Whyman - Experimental Manager}/CP. | ||