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).
Modifications for unassisted Bentley 50 brakes on the Bentley 11.A model, detailing part replacements for the rear axle, brake equaliser, and rear brakes.
| Identifier | ExFiles\Box 111\3\ scan0181 | |
| Date | 27th November 1937 | |
| SPOT c. Rm{William Robotham - Chief Engineer}/AFM.{Anthony F. Martindale} ID44 S06 File BY/Ald.{F. Allwood - Experimental Design}1/G.27.11.37. BENTLEY 50 BRAKES (UNASSISTED) ON BENTLEY 11.A. REAR AXLE. SECTION 6120. S.CD.227 Rear Brake Equaliser on Bentley 11A. fitted with Lockheed front and Girling Rear Brakes. Please receive herewith two blueprints of the above, and two blueprints of the new drawings detailed to the above:- Ex.S.248 Rear Axle Tube R.H. which replaces GB.2844. Ex.S.249 " " " L.H. " " GB.3070 The spring brackets GB.2879 should be replaced by GB.2833, 2 off, otherwise the remaining details are as on standard LOP. GB.3032. SECTION 6150 - BRAKE EQUALISER. Please receive also two blueprints of Ex.S.250 Pull Rod - R.H. which replaces GB.2857. Ex.S.251 Pull Rod L.H. " " GB.2858. also other details as on LOP. GB.3077. SECTION 6130 - REAR BRAKES. These are as on existing LOP.GB2861 with the exception of the dust covers GB.3078/9, 1 off each, which replace GB.2834/5 and Brake Shoes GB.3082/3 1 off each, which replace GB.2752/3 and as it is desired to take advantage of the self wrapping action of the brakes the following details should also be omitted :- GB.2739 Jaw 2 off. K.4313 Nut 2 off. GB.2736 Rod 2 off. GB.2740 Jaw 2 off. The remaining details are to LOP. GB.2861 | ||