Material cost breakdown for the Bentley 50 chassis.
| Identifier | ExFiles\Box 111\2\ scan0273 | |
| Date | 2nd December 1937 | |
| SECRET To Rm {William Robotham - Chief Engineer} /Les. from Rm {William Robotham - Chief Engineer} /Gry. {Shadwell Grylls} AFM. {Anthony F. Martindale} FJH. {Fred J. Hardy - Chief Dev. Engineer} Std. NRC. {N. R. Chandler} Swdl. {Len H. Swindell} RC. {R. Childs} FD. {Frank Dodd - Bodies} JBD. {John B. Dixon - Fuel Systems} Wym. {G. Harold Whyman - Experimental Manager} GR. {George Ratcliffe} Handwritten: 1044, 800 Rm {William Robotham - Chief Engineer} /Gry. {Shadwell Grylls} 7/AP.2.12.37. BENTLEY 50 MATERIAL COSTS. In order that the material cost of Bentley 50 shall not exceed £150, the following sections of the chassis must not be more than the stated amounts:- Shillings Engine, flywheel, clutch, carburetter and controls (Swdl. {Len H. Swindell} NRC. {N. R. Chandler} GR {George Ratcliffe} ) 613 Gearbox and propeller shaft (FJH {Fred J. Hardy - Chief Dev. Engineer} ) 162 Brakes (AFM {Anthony F. Martindale} ) 189 Rear Axle (FJH {Fred J. Hardy - Chief Dev. Engineer} ) 111 Tyres, wheels, nuts and hubs (Gry. {Shadwell Grylls} ) 292 Bonnet unndersheet and apron (Std) 82 Exhaust system (Wym. {G. Harold Whyman - Experimental Manager} ) 69 Cooling system (Std) 124 Steering (FJH {Fred J. Hardy - Chief Dev. Engineer} ) 74 Electrical including instruments (RC {R. Childs} ) 515 Petrol system (JBD {John B. Dixon - Fuel Systems} ) 103 Bijur system (JBD {John B. Dixon - Fuel Systems} ) 42 Bumpers (FJH {Fred J. Hardy - Chief Dev. Engineer} ) 57 Pedals (NRC {N. R. Chandler} ) 9 Tools and spares. (FD {Frank Dodd - Bodies} ) 46 Frame, suspension, spare wheel carrier and dash (Les) 580 continued | ||
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).