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 blueprints and parts for modifying Bentley 50 (unassisted) brakes on a Bentley 11.
| Identifier | ExFiles\Box 111\3\ scan0196 | |
| Date | 20th December 1937 | |
| c. Rm{William Robotham - Chief Engineer}/AFM.{Anthony F. Martindale} 1044 BY/Ald.{F. Allwood - Experimental Design}10/G.20.12.37. 806 BENTLEY 50 BRAKES (UNASSISTED) ON BENTLEY 11. SECTION 6156. File Please receive herewith two blueprints of the following :- S.CD.236 Modified Brake Countershaft Housing. 1 off. EX.S.332 Cover Plate. 1 off. The following parts will also be required:- G.74137 Plug 1 off. GB.1887 Countershaft Reg. R.H. 1 off. G.77097 Pin - Spring Eye. 2 off. G.77098 Collar. 2 off. K.4602 Split Pin. 2 off. The above pieces are all that are needed on Sec.6156, and LOP. GB.822 - Servo Countershaft is not required. SECTION 6180. The Servo Motor and Mechanism is, of course, not required, so that all parts to LOP. GB.503 should be removed from the gearbox. Kindly instruct one set. Ald{F. Allwood - Experimental Design} BY/Ald.{F. Allwood - Experimental Design} | ||