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 sections affected by the fitting of a Wraith type gearbox to a Bentley 5 chassis.
| Identifier | ExFiles\Box 99\4\ scan0184 | |
| Date | 26th January 1939 | |
| BY Rm.{William Robotham - Chief Engineer} 22/1/39 [crossed out] 428 BY/NS.{Norman Scott}10/G.26.1.39. BENTLEY 5. FITTING OF WRAITH TYPE GEAR BOX. The fitting of Wraith type gearbox in Bentley 5 chassis will affect the following Sections, in addition to the gearbox:- Section 5240 Controls - Damper Governor Control. 6080 Change Gear Mechanism. 6091 Rear Brakes Inter. Lever. (one lever deleted). 6110 Propeller Shaft. (Length) 6151 Front Brake Equaliser. 6152 Front Brake Inter. Lever. 6156 Servo Counter. 6160 Undersheet. 6180 Servo (Two new levers only). 7000 Frame and Fittings - Gear Box Mounting. Revised Brake Gear. 7100 Pedals - clutch actuation. 7131 Floorboards. 7163 Governor Control Unit - additional section. 7165 Pressure Pipes - Dampers. 8040 Starter Motor Drive. BY/NS.{Norman Scott} | ||